March in Key West, Florida, typically offers a transition from the cooler dry season to the warmer, more humid summer months. Visitors can expect daily average temperatures in the mid-70s Fahrenheit (low 20s Celsius), with nighttime lows rarely dipping below 70F (21C). Sunshine is abundant, and rainfall is relatively low, making it an attractive time for outdoor activities. While water temperatures might still feel cool to some, they are generally comfortable for swimming and other water sports.
This period offers an advantageous blend of pleasant weather and fewer crowds compared to the peak winter season. Historically, March has been a popular time for fishing enthusiasts due to favorable conditions. The moderate temperatures and lower humidity levels also make it ideal for exploring the island’s historical sites and engaging in various recreational activities, from biking and kayaking to sunset sails and visits to the renowned Duval Street.
