Key West January 2024 Temperature. Let’s take a closer look at the average sea temperature in key west during january and explore the various water activities and their suitability in this delightful month. This report shows the past weather for key west, providing a weather history for january 2022.

Get the monthly weather forecast for key west, fl, including daily high/low, historical averages, to help you plan ahead. The humidity is also quite high, with plenty of.