Key West weather in January 2021

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  • 24°C maximum daytime temperature in January in Key West24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in January in Key West6
    6 days with some rainfall
  • 17°C minimum night-time temperature in January in Key West17
    17°C min night temperature
  • 11 hours of daylight per day in January in Key West11
    11 hours of daylight per day
  • No heat & humidity in January in Key West0
    No heat & humidity
  • 47 mm monthly rainfall in January in Key West47
    47 mm of monthly rainfall
  • UV (maximum) index 6 (High) in January in Key West6
    6 (High) UV index
  • 23°C sea temperature in January in Key West23
    23°C sea temperature
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The January weather guide for Key West, Florida shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How hot is it in Key West in January?

Daytime temperatures usually reach 24°C in Key West in January, falling to 17°C at night.

How sunny is it in Key West in January?

There are normally 8 hours of bright sunshine each day in Key West in January - that's 73% of daylight hours.

How warm is the sea around Key West in January?

The average sea temperature around Key West in January is 23°C.

Does it ever rain in Key West in January?

There are usually 6 days with some rain in Key West in January and the average monthly rainfall is 47mm.

Key West sunrise & sunset times for January 2021

Browse the sunrise & sunset times for Key West in January 2021. Select a month to view Key West sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st January 2021 07:11 17:51
Saturday, 16th January 2021 07:13 18:01
Sunday, 31st January 2021 07:09 18:12
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Florida in January for 2021/2022?

Below are average maximum temperatures at popular destinations in Florida in January. Select a destination to see more weather parameters.

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