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 10 rainy days and a total precipitation of 57.6 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
22°/21°
Temperatures
33 km/h
Avg max wind
81 %
Avg humidity
Key West Weather December
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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 21°, 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 57.6 mm spread over approximately 10 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 33 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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