Key West weather in January 2020

  • 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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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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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Key West weather in January

The average maximum daytime temperature in Key West in January is a warm 24°C (75°F). The average night-time temperature is usually a comfortable 17°C (63°F). There are usually 8 hours of bright sunshine each day, which represents 73% of the 11 hours of daylight.

Expect 47mm (1.9 inches) of rainfall across the whole of January with 6 days with some rain falling. Maximum UV levels will be high (6 UV index) at midday when the skies are clear.

The average sea temperature in and around Key West in January is 23°C (73°F).

Key West sunrise & sunset times for January 2020

Browse the sunrise & sunset times for Key West in January 2020. Select a month to view Key West sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2020 07:11 17:50
Thursday, 16th January 2020 07:13 18:01
Friday, 31st January 2020 07:10 18:12
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Where's hot in Florida in January?

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

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