Key West weather in December 2024

Expect 24°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Key West in December. Check more long-term weather averages for Key West in December before you book your next holiday to Florida in 2024/2025.

  • 24°C maximum daytime temperature in December in Key West24
    24°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in December in Key West6
    6 days with some rainfall
  • 18°C minimum night-time temperature in December in Key West18
    18°C min night temperature
  • 11 hours of daylight per day in December in Key West11
    11 hours of daylight per day
  • Low heat & humidity in December in Key WestL
    Low heat & humidity
  • 45 mm monthly rainfall in December in Key West45
    45 mm of monthly rainfall
  • UV (maximum) index 6 (High) in December in Key West6
    6 (High) UV index
  • 24°C sea temperature in December in Key West24
    24°C sea temperature

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The December weather guide for Florida (Key West) 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.

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

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More about Florida

How hot is it in Key West in December?

Daytime temperatures usually reach 24°C in Key West in December, falling to 18°C at night.

How sunny is it in Key West in December?

There are normally 7 hours of bright sunshine each day in Key West in December - that's 70% of daylight hours.

How warm is the sea around Key West in December?

The average sea temperature around Key West in December is 24°C.

Does it rain in Key West in December?

There are usually 6 days with some rain in Key West in December and the average monthly rainfall is 45mm.

Key West December sunrise & sunset times

Browse the sunrise and sunset times for Key West in December 2024. Select a month to view Key West sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 06:55 17:38
Monday, 16th December 2024 07:04 17:42
Tuesday, 31st December 2024 07:11 17:50

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