Weather in Key West, United States in January

So you're interested in going to Key West, United States in January

January is a warm and slightly rainy time for sunbathing in Key West. January is a good month for swimming in Key West with warm sea temperatures. Consider visiting Key West in the months of March, April, May, December, for the best beach weather. Also consider one of our other suggestions for January.

Temperature in Key West in January

The average maximum temperature in Key West in January is 24°. The average maximum temperature is 25° in the previous month and 24° in the next month.

The average temperature in Key West in January is 21°. The average temperature ranges is 22° in the previous month and 22° in the next month.

The average minimum temperature in Key West in January is 18°. The minimum temperature is 20° in the previous month and 19° in the next month.

Sunshine in Key West in January

The average day light hours per day in Key West in January are 10.8 and there are 7.5 hours of sunshine per day on average during January making it a quite sunny month with some cloud cover.

The ultraviolet index in Key West in January is typically 6.3 during January. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Key West in January

The average sea water temperature in Key West in January is 22.9° which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Key West in January

The average total rainfall in Key West in January is 47.5cm and on average there are 6.6 rainy days in January making it a slightly wet time to visit the beach.

Humidity in Key West in January

The maximum dew point (an indicator of humidity) in Key West in January is 18° which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 19° in the previous month and 19° in the next month.

The average maximum relative humidity in Key West in January is typically 87.5%. The maximum relative humidity is 87.5% in the previous month and 87.4% in the next month.

The average relative humidity in Key West in January is typically 75.7%. The average relative humidity is 76.7% in the previous month and 75.7% in the next month.

Wind Speed in Key West in January

The average maximum wind speed in Key West in January is typically 29kmh. The average maximum wind speed is 28kmh in the previous month and 28kmh in the next month.

The average wind speed in Key West in January is typically 17kmh. The average wind speed is 16kmh in the previous month and 16kmh in the next month.

The average wind direction in Key West in January is from the North-Northeast.

Monthly Averages

Suggested Beaches in January

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