Jacksonville (FL)
December
Weather in Jacksonville, Florida for December 2025
Your guide to Jacksonville weather in December - trends and predictions
Until now, December 2025 in Jacksonville is slightly cooler than the historical average by -1.7 °F.
The forecast for the upcoming days in Jacksonville predicts a temperature of 21.5 °F, which is slightly above the historical average.
In general, the average temperature in Jacksonville at the beginning of December is 19.3 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 22.1 °F by the end of December.
The climate of Jacksonville in December is notably wet, with an average of 11 rainy days, and a total of 67 mm of precipitation.
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Temperatures
Rain 🌧️
More
20
Dry days
11
Rainy days
0
Snow days
19°/11°
Temperatures
16 km/h
Avg max wind
67 %
Avg humidity
Jacksonville Weather December
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Temperatures trend during December in Jacksonville
See the weather trend as well as the moving average line
December weather in Jacksonville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Fog | 21° /13° | 20 mm | 5 | |
| Dec. 2 |  Patchy rain possible | 23° /14° | 1.6 mm | 5 | |
| Dec. 3 | Light rain shower | 18° /12° | 1.6 mm | 5 | |
| Dec. 4 | Fog | 19° /9° | 0 mm | 5 | |
| Dec. 5 |  Overcast | 21° /11° | 0.7 mm | 5 | |
| Dec. 6 |  Light rain | 16° /10° | 6 mm | 4 | |
| Dec. 7 |  Sunny | 17° /8° | 50.7 mm | 5 | |
| Dec. 8 | Overcast | 19° /10° | 11 mm | 5 | |
| Dec. 9 | Overcast | 20° /11° | 0 mm | 4 | |
| Dec. 10 | Light rain shower | 22° /12° | 6.9 mm | 5 | |
| Dec. 11 | Sunny | 17° /8° | 1.5 mm | 5 | |
| Dec. 12 | Sunny | 18° /7° | 0 mm | 5 | |
| Dec. 13 | Patchy rain possible | 19° /11° | 0.1 mm | 4 | |
| Dec. 14 |  Partly cloudy | 21° /10° | 0 mm | 0.6 | |
| Dec. 15 | Overcast | 8° /3° | 0 mm | 0.6 | |
| Dec. 16 | Overcast | 10° /7° | 0 mm | 0.7 | |
| Dec. 17 | Sunny | 22° /12° | 0 mm | 0.7 | |
| Dec. 18 | Partly cloudy | 23° /15° | 0 mm | 0 | |
| Dec. 19 | Sunny | 25° /16° | 0 mm | 5 | |
| Dec. 20 | Partly cloudy | 26° /17° | 0.1 mm | 6 | |
| Dec. 21 | Patchy rain possible | 27° /20° | 0.2 mm | 5 | |
| Dec. 22 | Patchy rain possible | 20° /16° | 0.6 mm | 4 | |
| Dec. 23 | Overcast | 20° /15° | 0 mm | 4 | |
| Dec. 24 | Partly cloudy | 23° /16° | 0 mm | 5 | |
| Dec. 25 | Mist | 25° /17° | 0 mm | 4 | |
| Dec. 26 | Sunny | 25° /16° | 0 mm | 6 | |
| Dec. 27 | Sunny | 26° /17° | 0 mm | 6 | |
| Dec. 28 | Partly cloudy | 19° /11° | 0 mm | 5 | |
| Dec. 29 |  Cloudy | 19° /11° | 3.2 mm | 5 | |
| Dec. 30 | Overcast | 20° /12° | 0 mm | 5 | |
| Dec. 31 |  Heavy rain at times | 21° /12° | 0.6 mm | 5 | |
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Important Notice
Our weather forecast for Jacksonville 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 Jacksonville forecast closer to your planned date for the most up-to-date weather information.
Change Month
Jacksonville in December - FAQ
What are the expected maximum and minimum temperatures in Jacksonville during December?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Jacksonville during December?
Moderate rainfall is anticipated in Jacksonville during December, with a total of 67 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Jacksonville during December?
The average wind speed in Jacksonville during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Jacksonville
Explore the daily rainfall trends and prepare for Jacksonvilles December weather 💧
Typically, Jacksonville has 11 rainy days in December with a total of 67 mm of rainfall.
UV exposure in Jacksonville during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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