Weather in Key West, United States in January

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Visiting Key West, United States in January

The weather in January is slightly cooler than the previous month. January has average maximum temperatures of 24°C (75°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 7.5hrs making the days quite long and bright. It is a good time for sunbathing in Key West.

January has total rainfall of 4.8cm (1.9inches) making it predominantly dry with occasional light showers on very few days. There are just 6.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a warm 23°C (73°F). January is a good month for swimming in Key West with comfortable temperatures for most people. The sea temperature in January is slightly cooler than the previous month.

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.

Can you sunbathe in Key West in January?

Yes, January is a good time for sunbathing in Key West.

January has average maximum temperatures of 24°C (75°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 7.5hrs making the days quite long and bright. January has total rainfall of 4.8cm (1.9inches) making it predominantly dry with occasional light showers on very few days. There are just 6.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about January temperature and sunshine.

Can you swim in Key West in January?

Yes, January is a good month for swimming in Key West with warm sea temperatures 23°C (73°F).

More about January sea temperatures.

Is January a good time to holiday in Key West?

Yes, January is a good time for a holiday in Key West.

January has average maximum temperatures of 24°C (75°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 7.5hrs making the days quite long and bright. January has total rainfall of 4.8cm (1.9inches) making it predominantly dry with occasional light showers on very few days. There are just 6.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. It is a good time for sunbathing in Key West. Sea temperatures are a warm 23°C (73°F). January is a good month for swimming in Key West with comfortable temperatures for most people.

More about the January temperatures and sunshine.

Is Key West warm in January?

Yes, Key West is nice and warm and makes sunbathing pleasant on clear days in January.

The average maximum temperature in Key West in January is 24°C (75°F). The average maximum temperature is 25°C (77°) in the previous month and 24°C (76°F) in the next month.

The average temperature in Key West in January is 21°C (70°F). The average temperature is 22°C (72°F) in the previous month and 22°C (71°F) in the next month.

More info about the January temperatures and sunshine.

How sunny is Key West in January?

The average day light hours per day in Key West in January are 10.8. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 7.5hrs making the days quite long and bright.

More about January sunshine.

Temperature in Key West in January

The weather in January is slightly cooler than the previous month. The average maximum temperature in Key West in January is 24°C (75°F). The average maximum temperature is 25°C (77°F) in the previous month and 24°C (76°F) in the next month.

The average temperature in Key West in January is 21°C (70°F). The average temperature is 22°C (72°F) in the previous month and 22°C (71°F) in the next month.

The average minimum temperature in Key West in January is 18°C (65°F). The minimum temperature is 20°C (68°F) in the previous month and 19°C (66°F) in the next month.

Sunshine in Key West in January

The days in January are marginally longer than the previous month and the days continue to get marginally longer into February. January has slightly more hours of sunshine than the previous month and hours of sunshine continue to rise slightly into February. During January the average day light hours are 10.8 per day in Key West. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 7.5hrs making the days quite long and bright.

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°C (73.2°F) which is warm and pleasant for relaxing and swimming for long periods. The sea temperature in January is slightly cooler than the previous month.

Rainfall in Key West in January

January weather is marginally wetter than the previous month and rainfall continues to rise slightly into February. January has a couple of less days of rain than the previous month and rainy days continue to drop slightly into February. The average total rainfall in Key West in January is 4.8cm (1.9inches) and on average there are 6.6 rainy days in January making it a quite rainy 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°C (65°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 19°C (67°F) in the previous month and 19°C (19°F) 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 29KM/H (18MPH). The average maximum wind speed is 28KM/H (17MPH) in the previous month and 28KM/H (17MPH) in the next month.

The average wind speed in Key West in January is typically 17KM/H (10MPH). The average wind speed is 16KM/H (10MPH) in the previous month and 16KM/H (10MPH) 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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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.