Key West Weather in January

The climate in Key West during January can be summarized as warm, humid and reasonably dry.

January is in the winter in Key West and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 24°C (75°F), whilst at night 17°C (63°F) is normal.

On average January is the 4th driest month of the year in Key West with around 47mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.5 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Key West in January 2024.