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Key West weather in December 2019
- 2424°C max day temperature
- 66 days with some rainfall
- 1818°C min night temperature
- 1111 hours of daylight per day
- LLow heat & humidity
- 4545 mm of monthly rainfall
- 66 (High) UV index
- 2424°C sea temperature
The December 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.
Metric (°C / mm) | Imperial (°F / inches)
Guide to Key West weather in December
The average maximum daytime temperature in Key West in December is a warm 24°C (75°F) with low heat & humidity. The average night-time temperature is usually a comfortable 18°C (64°F). There are usually 7 hours of bright sunshine each day, which represents 70% of the 11 hours of daylight.
Expect 45mm (1.8 inches) of rainfall across the whole of December 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 December is 24°C (75°F).
Key West sunrise & sunset times for December 2019
Browse the sunrise & sunset times for Key West in December 2019. Select a month to view Key West sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Sunday, 1st December 2019||06:54||17:38|
|Monday, 16th December 2019||07:04||17:41|
|Tuesday, 31st December 2019||07:11||17:49|
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Popular Florida destinations
Below are average maximum temperatures at popular destinations in Florida in December. Select a destination to see more weather parameters.
- Fort Lauderdale
- Key West
- St Pete Beach
- Daytona Beach
- Panama City
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