Key West, Florida Weather in January

United States · January climate averages and travel tips

Avg high23°C (73°F)
Avg low21°C (70°F)
Rainfall38 mm (1.5 in)
RatingExcellent 10/10

Expect warm days in Key West in January: the average high is 23°C (73°F) and the average low is 21°C (70°F). January is winter in United States. The month is fairly dry, with about 38 mm (1.5 in) of rain spread over 6 days, one of the driest months of the year. You get roughly 10.6 hours of daylight and a mix of sun and cloud.

Is January a good time to visit Key West?

Yes — January is one of the best months to visit Key West. The weather rates excellent (10/10) on our comfort score.

January weather at a glance

Average high23°C (73°F)
Average low21°C (70°F)
Daily mean22°C (72°F)
Rainfall38 mm (1.5 in)
Rainy days (1 mm+)6
Humidity79%
Cloud cover53%
Daylight10.6 hours
Est. sunshine5.5 hours/day
Wind18.7 km/h
vs December1°C cooler than December, with 15 mm less rain.

What to pack for Key West in January

Key West weather in other months

Jan23°C / 21°C38 mmExcellentFeb23°C / 22°C38 mmExcellentMar24°C / 23°C30 mmExcellentApr26°C / 25°C58 mmExcellentMay27°C / 26°C99 mmGoodJun29°C / 28°C213 mmFairJul30°C / 29°C146 mmPoorAug30°C / 29°C207 mmPoorSep30°C / 29°C210 mmPoorOct28°C / 27°C134 mmFairNov26°C / 25°C64 mmExcellentDec24°C / 23°C53 mmExcellent

← DecemberBest time to visit Key WestFebruary →

Nearby in January

Where else is good in January? See where to go in January.