Key West (FL)
December
Weather in Key West, Florida for December 2026
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 23.2 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.4 °C by the end of December.
With an average of 5 rainy days, Key West experiences minimal rainfall in December.
Is December a good time to visit Key West? check out the best time to travel to Key West page.
✨ Is December a good time to visit Key West? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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26
Dry days
5
Rainy days
0
Snow days
22°/21°
Temperatures
31 km/h
Avg max wind
83 %
Avg humidity
Key West Weather December
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Temperatures trend during December in Key West
See the weather trend as well as the moving average line
December weather in Key West day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Cloudy | 24° /23° | 0 mm | 5 | |
| Dec. 2 |  Patchy rain possible | 24° /22° | 0 mm | 5 | |
| Dec. 3 |  Fog | 23° /21° | 0.1 mm | 5 | |
| Dec. 4 | Fog | 22° /20° | 0 mm | 4.9 | |
| Dec. 5 |  Overcast | 23° /21° | 0 mm | 4.9 | |
| Dec. 6 | Overcast | 23° /21° | 0 mm | 4.9 | |
| Dec. 7 | Overcast | 23° /20° | 0 mm | 4.9 | |
| Dec. 8 | Patchy rain possible | 24° /22° | 1.4 mm | 4.9 | |
| Dec. 9 | Patchy rain possible | 24° /22° | 1 mm | 4.8 | |
| Dec. 10 | Patchy rain possible | 24° /23° | 0.1 mm | 4.8 | |
| Dec. 11 | Patchy rain possible | 24° /20° | 1.3 mm | 4.8 | |
| Dec. 12 | Overcast | 22° /19° | 0 mm | 4.8 | |
| Dec. 13 | Light rain shower | 23° /21° | 1.8 mm | 4.8 | |
| Dec. 14 |  Light rain | 23° /21° | 2.8 mm | 4.8 | |
| Dec. 15 | Light rain | 23° /21° | 3.2 mm | 4.8 | |
| Dec. 16 |  Moderate rain | 22° /21° | 10.7 mm | 4.7 | |
| Dec. 17 | Light rain shower | 23° /22° | 1.5 mm | 4.7 | |
| Dec. 18 | Overcast | 23° /22° | 0.1 mm | 4.7 | |
| Dec. 19 | Cloudy | 22° /20° | 0 mm | 4.7 | |
| Dec. 20 | Overcast | 20° /19° | 0.2 mm | 4 | |
| Dec. 21 | Light rain shower | 21° /19° | 0.3 mm | 3 | |
| Dec. 22 | Overcast | 22° /20° | 0 mm | 4 | |
| Dec. 23 | Patchy rain possible | 22° /21° | 0 mm | 4 | |
| Dec. 24 | Cloudy | 22° /21° | 0.2 mm | 4 | |
| Dec. 25 |  Moderate or heavy rain shower | 23° /22° | 9 mm | 4 | |
| Dec. 26 | Patchy rain possible | 22° /21° | 1.7 mm | 4 | |
| Dec. 27 | Cloudy | 21° /20° | 0 mm | 4 | |
| Dec. 28 | Light rain shower | 21° /19° | 1.3 mm | 3 | |
| Dec. 29 | Light rain | 22° /20° | 9.4 mm | 4 | |
| Dec. 30 | Patchy rain possible | 21° /20° | 0.1 mm | 3 | |
| Dec. 31 | Cloudy | 20° /19° | 0 mm | 4 | |
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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.
Change Month
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?
In December, Key West can expect light to moderate rainfall, totaling 46.6 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Key West during December?
The average wind speed in Key West during December is 31 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 💧
Typically, Key West has 5 rainy days in December with a total of 46.6 mm of rainfall.
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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