Key West
December
Weather in Key West for December 2025
Your guide to Key West weather in December - trends and predictions
In general, the average temperature in Key West at the beginning of December is 23 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 22 °F by the end of December.
Key West experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 82.9 mm.
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Temperatures
Rain 🌧️
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22
Dry days
9
Rainy days
0
Snow days
22°/20°
Temperatures
34 km/h
Avg max wind
77 %
Avg humidity
Key West in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  24° | 2  24° | 3  23° | 4 22° | 5  23° | 6 23° | |
| 7 22° | 8 24° | 9 24° | 10 25° | 11 24° | 12 22° | 13 23° |
| 14 23° | 15 23° | 16 23° | 17 23° | 18 23° | 19 21° | 20 20° |
| 21 20° | 22  21° | 23 22° | 24  22° | 25  23° | 26  23° | 27 22° |
| 28 22° | 29 22° | 30 21° | 31 21° |
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Temperatures trend during December in Key West
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Cloudy | 24° /22° | 0 mm | 6 | |
| Dec. 2 | Patchy rain possible | 24° /21° | 0 mm | 6 | |
| Dec. 3 | Fog | 23° /20° | 0.2 mm | 6 | |
| Dec. 4 | Fog | 22° /19° | 0 mm | 6 | |
| Dec. 5 | Overcast | 23° /21° | 0 mm | 5 | |
| Dec. 6 | Overcast | 23° /20° | 0 mm | 6 | |
| Dec. 7 | Overcast | 22° /18° | 0 mm | 5 | |
| Dec. 8 | Patchy rain possible | 24° /21° | 0.3 mm | 6 | |
| Dec. 9 | Patchy rain possible | 24° /22° | 0.2 mm | 6 | |
| Dec. 10 | Patchy rain possible | 25° /23° | 0.1 mm | 6 | |
| Dec. 11 | Patchy rain possible | 24° /20° | 2 mm | 5 | |
| Dec. 12 | Patchy rain possible | 22° /18° | 0 mm | 5 | |
| Dec. 13 | Light rain shower | 23° /20° | 2.7 mm | 6 | |
| Dec. 14 | Light rain shower | 23° /21° | 2.4 mm | 6 | |
| Dec. 15 | Light rain shower | 23° /21° | 4.9 mm | 6 | |
| Dec. 16 | Light rain shower | 23° /21° | 8.9 mm | 6 | |
| Dec. 17 | Light rain shower | 23° /21° | 2.3 mm | 5 | |
| Dec. 18 | Patchy rain possible | 23° /21° | 0.1 mm | 5 | |
| Dec. 19 | Cloudy | 21° /18° | 0 mm | 5 | |
| Dec. 20 | Patchy rain possible | 20° /18° | 0.4 mm | 5 | |
| Dec. 21 | Light rain shower | 20° /18° | 0.5 mm | 5 | |
| Dec. 22 | Sunny | 21° /19° | 0 mm | 6 | |
| Dec. 23 | Patchy rain possible | 22° /20° | 0 mm | 5 | |
| Dec. 24 | Patchy light drizzle | 22° /21° | 0.4 mm | 5 | |
| Dec. 25 | Moderate or heavy rain shower | 23° /21° | 13.5 mm | 5 | |
| Dec. 26 | Partly cloudy | 23° /21° | 2.6 mm | 6 | |
| Dec. 27 | Cloudy | 22° /21° | 0 mm | 5 | |
| Dec. 28 | Light rain shower | 22° /19° | 2 mm | 5 | |
| Dec. 29 | Light rain shower | 22° /21° | 14.1 mm | 5 | |
| Dec. 30 | Patchy rain possible | 21° /20° | 0.1 mm | 5 | |
| Dec. 31 | Cloudy | 21° /20° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Key West in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Key West forecast closer to your planned date for the most up-to-date weather information.
Key West in December - FAQ
What are the expected maximum and minimum temperatures in Key West during December?
During December, expect a variety of temperatures with highs around 22° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Key West during December?
Moderate rainfall is anticipated in Key West during December, with a total of 82.9 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Key West during December?
The average wind speed in Key West during December is 34 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Key West
Explore the daily rainfall trends and prepare for Key Wests December weather 💧
UV exposure in Key West during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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