Key West Weather January 2025

Key West Weather January 2025. Get the monthly weather forecast for key west, fl, including daily high/low, historical averages, to help you plan ahead. Key west florida has some rainy days in january.

Winter will be cooler than usual and coldest in the late parts of the months of november, december, january, and february. Generally, january in key west will be really nice, with an average temperature of around 77°f / 25°c.