June marks the beginning of the wetter season in Key West, Florida. Typical conditions involve warm temperatures, high humidity, and a greater chance of afternoon thunderstorms. Average high temperatures hover around 90F (32C), while lows rarely dip below 80F (27C). Sea surface temperatures are also warm, typically in the low 80s Fahrenheit (high 20s Celsius), making conditions ideal for water activities.
Understanding the prevailing climatic conditions during this period is essential for planning trips effectively. Visitors can prepare for the heat and humidity by packing light clothing, staying hydrated, and scheduling outdoor activities for the cooler parts of the day. The increased rainfall can also impact outdoor plans, so flexibility and alternative indoor activities should be considered. Historically, June has been a less crowded time to visit compared to the peak winter months, potentially offering a more relaxed experience. Awareness of potential hurricane season impacts is also advisable.