Typically, this time of year in Key West offers a transition from the dry season to the wetter months. Daily high temperatures average in the low 80s Fahrenheit (high 20s Celsius), while overnight lows settle in the mid-70s Fahrenheit (low 20s Celsius). Ocean temperatures are also inviting, generally ranging from the mid-70s to low 80s Fahrenheit. Rainfall is relatively low compared to the summer months, but showers can occur. The humidity begins to increase, making the air feel warmer.
Understanding the prevailing climatic conditions during this period is crucial for visitors planning trips. The generally pleasant temperatures and lower rainfall make it an attractive time for outdoor activities such as swimming, snorkeling, and boating. Historically, this period marks the end of the peak tourist season, potentially offering travelers slightly lower prices and fewer crowds than the winter months. Accurate weather information facilitates informed decision-making regarding appropriate clothing, planned activities, and potential contingencies.