December in Waikiki typically marks the beginning of the wet season in Hawaii. Average high temperatures hover around 80F (27C) while average lows dip to a comfortable 70F (21C). Rainfall increases compared to other months, with brief showers being common, particularly in the afternoons. Ocean temperatures remain pleasant, averaging around 76F (24C), making swimming and other water activities enjoyable.
Understanding typical climatic conditions during this period allows travelers to pack appropriately and plan activities accordingly. While the increased rainfall might deter some, it also contributes to lush, vibrant landscapes and fewer crowds compared to the peak summer months. Historically, December has been a shoulder season, offering a balance between pleasant weather and fewer tourists. This presents potential cost savings on accommodations and flights.
This overview provides a general understanding of what to expect. Further exploration will delve into specific aspects such as average rainfall statistics, historical weather patterns, potential impact on outdoor activities, and recommended packing lists for visitors.
1. Temperature
December’s average temperature of 80F (27C) in Waikiki plays a significant role in shaping the overall weather experience. This mild temperature, a product of Hawaii’s tropical climate and moderated by oceanic influences, distinguishes December from colder climates at similar latitudes. The warmth allows for comfortable enjoyment of outdoor activities, including swimming, sunbathing, and hiking, even during the wetter season. For instance, visitors can comfortably explore Diamond Head or enjoy a beach day without needing heavy winter clothing. This contrasts sharply with continental destinations experiencing significantly lower temperatures in December.
The consistent mild temperature also influences ocean temperatures, keeping them warm enough for comfortable swimming throughout the month. This creates a favorable environment for various water sports and contributes to the overall appeal of Waikiki as a December destination. Furthermore, the relatively warm evenings allow for comfortable al fresco dining and other outdoor evening activities, extending the hours of enjoyment beyond daylight.
Understanding the significance of December’s mild temperatures provides valuable context for planning a trip to Waikiki. Packing light clothing, swimwear, and sunscreen becomes the priority, rather than bulky winter gear. This knowledge empowers travelers to make informed decisions about activities, accommodations, and overall trip planning, maximizing their experience in Waikiki during December.
2. Rainfall
December in Waikiki signifies the transition into Hawaii’s wetter season. While not constant downpours, increased rainfall is a defining characteristic of this period and significantly influences overall weather patterns. Understanding this shift is crucial for visitors planning December trips.
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Typical Shower Patterns
December rainfall typically manifests as brief, localized showers, often occurring in the afternoons. These showers can be intense but generally dissipate quickly, allowing for continued enjoyment of outdoor activities. Localized nature means one area might experience rain while another remains dry.
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Impact on Outdoor Activities
While rain showers are common, they rarely disrupt outdoor activities entirely. Carrying a light rain jacket or umbrella provides sufficient protection during these brief spells. The rain also contributes to vibrant landscapes and cooler temperatures, enhancing certain outdoor experiences like hiking.
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Rainfall Statistics and Variability
Average rainfall in Waikiki during December increases compared to drier months. However, specific amounts vary year to year. Consulting historical weather data and forecasts closer to travel dates provides a more precise understanding of expected precipitation.
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Contrast with other times of year
December’s increased rainfall stands in contrast to the drier summer months, when showers are less frequent. This difference contributes to lusher vegetation and a different atmospheric experience during December. The trade-off is potentially fewer clear sunny days.
The increased rainfall in December, while a distinct characteristic, does not necessarily preclude outdoor activities or diminish the enjoyment of Waikiki. Understanding the nature of these showers, their typical patterns, and their overall impact on the weather provides valuable insights for planning a December trip. This awareness allows visitors to pack accordingly, schedule activities strategically, and fully appreciate the unique characteristics of Waikiki’s December weather.
3. Humidity
Higher humidity levels characterize December weather in Waikiki, distinguishing it from other times of the year. This increased moisture in the air influences overall comfort levels and plays a significant role in shaping the December weather experience.
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Perceived Temperature
Elevated humidity can make the air feel warmer than the actual temperature. The body’s ability to cool itself through evaporation is reduced in humid conditions, leading to a perception of increased warmth. This can be a factor for visitors accustomed to drier climates.
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Impact on Comfort
While Waikiki’s December temperatures remain mild, higher humidity can contribute to discomfort for some individuals. Staying hydrated and choosing breathable clothing can mitigate these effects. Spending time in air-conditioned spaces can also offer relief.
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Rainfall and Dew Point
Higher humidity is directly linked to the increased rainfall typical of December in Waikiki. The dew point, the temperature at which the air becomes saturated and condensation forms, is higher during this period. This elevated dew point contributes to the formation of clouds and precipitation.
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Trade Winds and Humidity
Lighter, less consistent trade winds in December also contribute to higher humidity. These winds typically help to moderate humidity levels. Their reduced presence during this period allows moisture to accumulate, resulting in more humid conditions.
Understanding the influence of higher humidity on Waikiki’s December weather provides valuable context for visitors. Awareness of its impact on perceived temperature and comfort levels allows for informed decisions regarding clothing choices, activity planning, and overall preparation for a December trip. Recognizing this aspect of the weather contributes to a more comprehensive understanding of Waikiki’s climate during this period.
4. Sunshine
Reduced sunshine due to increased cloud cover is a characteristic feature of Waikiki’s December weather. This shift in sunlight exposure distinguishes December from the sunnier summer months and significantly influences various aspects of the visitor experience. Understanding this aspect of December’s weather patterns allows for more realistic expectations and informed planning.
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Daily Sunshine Hours
December typically sees a decrease in daily sunshine hours compared to other times of the year. The increased cloud cover associated with the wetter season results in less direct sunlight reaching the ground. While not entirely overcast, visitors should anticipate fewer hours of bright sunshine compared to the summer months.
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Impact on Photography and Outdoor Activities
Reduced sunlight can impact photography, creating different lighting conditions compared to brighter periods. Outdoor activities like sunbathing might require strategic timing to maximize sun exposure. However, the cloud cover can also offer a respite from intense sun, making certain activities more comfortable.
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UV Index and Sun Protection
Even with reduced direct sunlight, the UV index in Waikiki can still be high. Cloud cover does not completely block UV radiation. Sun protection remains essential throughout December, including sunscreen, hats, and sunglasses, to prevent sunburn.
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Psychological Impact and Mood
Reduced sunlight can sometimes influence mood and energy levels. While not a significant factor for short visits, extended stays during December might require conscious efforts to maintain positive well-being. Seeking out outdoor activities even on cloudy days can be beneficial.
Reduced sunshine during December in Waikiki represents a shift from the abundant sunshine of the drier months. This characteristic influences various aspects of the visitor experience, from outdoor activities to overall comfort. Recognizing this aspect of December’s weather patterns and adapting accordingly allows for a more enjoyable and fulfilling trip to Waikiki.
5. Ocean temperature
Waikiki’s pleasant ocean temperature of approximately 76F (24C) in December significantly contributes to the overall weather experience. This warmth, influenced by consistent tropical sunshine throughout the year and moderated by Pacific currents, allows for comfortable swimming, snorkeling, and other water activities even during the onset of the wetter season. This contrasts with many other destinations at similar latitudes where ocean temperatures drop significantly during winter months, precluding such activities.
This consistently pleasant ocean temperature plays a crucial role in shaping Waikiki’s appeal as a year-round destination. The warm water supports a thriving marine ecosystem, enhancing snorkeling and diving experiences. It also provides a refreshing escape from potential humidity and occasional rain showers. For example, visitors can comfortably transition from a brief afternoon rain shower to a swim in the ocean, maintaining enjoyment of outdoor activities regardless of transient weather fluctuations. This seamless transition between land and water activities is a defining feature of Waikiki’s December weather experience.
The interplay between air and ocean temperatures in December creates a unique microclimate in Waikiki. While air temperatures might fluctuate slightly, the ocean’s consistent warmth moderates the overall climate, preventing extremes. This stability contributes to the perception of pleasant weather even during periods of increased rainfall or cloud cover. Understanding this dynamic allows visitors to appreciate the nuances of Waikiki’s December weather and make informed decisions about their activities and overall trip planning.
6. Surf
The increasing prevalence of south swells in Waikiki during December represents a significant shift in wave patterns directly linked to broader weather changes. This transition marks the beginning of Hawaii’s winter surf season, driven by storms and weather systems forming in the southern hemisphere. These systems generate powerful waves that travel vast distances across the Pacific, eventually reaching the shores of Waikiki. The arrival of these south swells transforms Waikiki’s typically calm summer wave conditions into a more dynamic surfing environment.
This seasonal shift has profound implications for various groups. Experienced surfers anticipate the arrival of larger, more challenging waves, providing opportunities for advanced maneuvers and exhilarating rides. For novice surfers or those unfamiliar with larger wave conditions, increased caution becomes paramount. Changes in wave size and power necessitate careful assessment of ocean conditions and adherence to safety guidelines. Lifeguards often adjust flagged swimming areas to accommodate changing surf conditions. Beachgoers not participating in water activities also benefit from understanding these changes, allowing for safer enjoyment of the shoreline and informed decisions about ocean-related activities. For instance, understanding the increased potential for strong currents and larger waves helps beachgoers avoid hazardous situations.
The increasing frequency of south swells in Waikiki during December underscores the interconnectedness of weather patterns and ocean conditions. Recognizing this connection empowers both surfers and beachgoers to make informed decisions, promoting safety and enhancing the overall experience of Waikiki’s coastal environment during this period. This understanding aligns with the broader goal of fostering informed engagement with natural environments and promoting responsible enjoyment of coastal resources.
7. Crowds
Waikiki experiences a noticeable reduction in crowds during December compared to the peak summer season. This decrease is directly influenced by several factors related to December’s weather patterns. The increased rainfall, while not a deterrent for all, contributes to a perception of less ideal beach weather compared to the consistently sunny summer months. This perception, coupled with the start of the school year in many regions, leads to fewer families choosing Waikiki as a December destination. Furthermore, the shift towards the winter surf season, characterized by larger waves and stronger currents, can deter some casual beachgoers and families with young children. This confluence of factors contributes to a less crowded Waikiki experience in December.
The reduced crowds present several advantages. Beachfront accommodations often offer lower rates, increasing affordability. Competition for dining reservations and popular activities diminishes, allowing for greater flexibility in planning itineraries. The overall atmosphere becomes more relaxed, providing a more tranquil experience compared to the bustling summer months. For example, securing a prime spot on the beach for sunset viewing becomes significantly easier. Access to popular attractions like Diamond Head or Pearl Harbor also improves with shorter wait times and reduced congestion. These advantages create a distinct appeal for travelers seeking a more serene and less crowded Waikiki experience.
Understanding the connection between December’s weather patterns and reduced crowds provides valuable insights for potential visitors. This knowledge allows travelers to weigh the trade-offs between potentially less ideal beach weather and the benefits of fewer crowds. This informed decision-making process empowers individuals to choose travel dates and plan activities that align with their preferences and priorities. Recognizing this relationship between weather and crowd levels contributes to a more comprehensive understanding of the Waikiki experience during December and facilitates a more tailored and enjoyable trip.
8. Trade winds
Lighter, less consistent trade winds characterize Waikiki’s December weather, distinguishing it from other times of the year. This shift in wind patterns influences various aspects of the local climate, impacting temperature, humidity, and overall weather conditions. Understanding this change provides valuable context for anticipating the December weather experience in Waikiki.
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Influence on Temperature and Humidity
Consistent trade winds typically moderate temperatures and reduce humidity in Waikiki. Their diminished presence in December allows for warmer air temperatures and increased humidity. This can create a more muggy atmosphere compared to periods with stronger trade winds. The absence of the cooling effect of the trades contributes to a perception of increased warmth, especially during periods of sunshine.
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Impact on Rainfall Patterns
While not the sole determinant of rainfall, trade winds influence precipitation patterns. Stronger trade winds can push rain clouds away from the coast. Weaker, less consistent trades in December contribute to localized rainfall and the increased likelihood of afternoon showers. The absence of strong winds to disperse moisture allows for more localized accumulation and precipitation.
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Effect on Ocean Conditions
Trade winds also influence ocean conditions. Stronger trades typically generate choppier waters and stronger currents. Lighter winds in December can lead to calmer ocean conditions, although this can be offset by the increasing prevalence of south swells. The interplay between reduced trade winds and increasing south swells creates complex and dynamic ocean conditions.
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Vog Dispersal
Trade winds play a critical role in dispersing volcanic smog, or vog, from the Kilauea volcano on the Big Island. Lighter winds in December can sometimes result in vog affecting air quality in Waikiki, particularly if wind patterns shift. This potential impact on air quality is an important consideration for individuals with respiratory sensitivities.
The shift towards lighter, less consistent trade winds in December contributes significantly to the overall weather patterns experienced in Waikiki during this period. This change influences temperature, humidity, rainfall, and even air quality. Understanding this dynamic allows for more accurate expectations and informed planning for a December visit, enabling visitors to anticipate and adapt to the specific weather conditions typical of this time of year.
Frequently Asked Questions about Waikiki Weather in December
This section addresses common inquiries regarding Waikiki’s weather during December, providing concise and informative responses to facilitate informed travel planning and realistic expectations.
Question 1: Does it rain constantly in Waikiki during December?
Rainfall increases in December, marking the start of the wetter season. However, rain typically occurs as brief, often intense showers, primarily in the afternoons. Extended periods of continuous rain are uncommon.
Question 2: Is it still warm enough to swim in Waikiki in December?
Ocean temperatures remain pleasant, averaging around 76F (24C). Swimming and other water activities are generally comfortable throughout December.
Question 3: What should one pack for a trip to Waikiki in December?
Light clothing, swimwear, and rain gear are recommended. A light jacket or sweater for cooler evenings and a small umbrella or rain jacket for afternoon showers are advisable.
Question 4: How does the December weather impact outdoor activities?
Most outdoor activities remain accessible. Brief rain showers rarely disrupt activities entirely. Surfing conditions change with the arrival of south swells, creating larger waves.
Question 5: Are there fewer crowds in Waikiki during December?
December typically sees fewer tourists compared to the peak summer months. This reduction in crowds offers advantages such as lower accommodation rates and increased availability for dining and activities.
Question 6: Is it still sunny in Waikiki during December?
While sunshine hours decrease compared to the summer months due to increased cloud cover, December still offers periods of sunshine. It is important to note that UV radiation remains high even on cloudy days, requiring appropriate sun protection.
Understanding these common concerns regarding December weather in Waikiki empowers travelers to plan accordingly and make informed decisions about their trip. Preparation based on realistic expectations contributes significantly to a positive and enjoyable experience.
Further exploration of specific aspects of Waikiki’s December weather can be found in the following sections.
Tips for Navigating Waikiki Weather in December
These practical tips offer guidance for navigating Waikiki’s unique December weather conditions, ensuring a comfortable and enjoyable experience.
Tip 1: Pack versatile clothing.
December weather requires adaptability. Packing layers allows adjustments to fluctuating temperatures and occasional rain showers. Lightweight, quick-drying clothing is ideal.
Tip 2: Utilize weather forecasts.
Consulting weather forecasts before and during a trip provides valuable insights into daily conditions. This allows for informed decisions about activity planning and appropriate attire.
Tip 3: Embrace the rain.
December showers are often brief and localized. Rather than letting rain disrupt plans, pack a light rain jacket or umbrella and continue enjoying outdoor activities.
Tip 4: Prioritize sun protection.
Even with increased cloud cover, the UV index remains high in Waikiki. Sunscreen, hats, and sunglasses are crucial for protecting skin from sun damage.
Tip 5: Stay hydrated.
Higher humidity levels in December increase the risk of dehydration. Carrying a reusable water bottle and drinking plenty of water throughout the day is essential.
Tip 6: Consider travel insurance.
While unlikely, severe weather events can occasionally disrupt travel plans. Travel insurance provides financial protection against unforeseen circumstances.
Tip 7: Research surf conditions.
December marks the start of the winter surf season with larger waves. Checking surf reports and heeding lifeguard warnings ensures safe enjoyment of ocean activities.
By following these guidelines, visitors can effectively navigate the specific weather conditions prevalent in Waikiki during December, maximizing enjoyment and minimizing potential disruptions. These preparations contribute to a more comfortable and informed travel experience.
The following concluding section synthesizes key information presented throughout this comprehensive guide to Waikiki’s December weather.
Weather in Waikiki, December
December in Waikiki presents a unique blend of weather conditions. Mild temperatures, increased rainfall, higher humidity, reduced sunshine, and the arrival of south swells characterize this period. While distinct from the drier, sunnier summer months, December offers its own advantages, including fewer crowds and lower prices. Understanding these characteristics allows for informed travel planning and realistic expectations, crucial for maximizing enjoyment of Waikiki during this time. The information presented here provides a comprehensive overview of typical December weather patterns, empowering travelers to make informed decisions regarding packing, activities, and overall trip planning.
Waikiki in December offers a distinct experience compared to other times of the year. Potential visitors should carefully weigh the trade-offs between the increased likelihood of rain and the benefits of a less crowded, more affordable experience. Thorough preparation based on a comprehensive understanding of typical weather conditions ensures a fulfilling and enjoyable visit to Waikiki during this unique time of year.
