Saint Johns County (Saint Augustine)
December
Weather in Saint Johns County, Florida for December 2025
Your guide to Saint Johns County weather in December - trends and predictions
In general, the average temperature in Saint Johns County at the beginning of December is 15.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20 °F by the end of December.
Saint Johns County experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 55.6 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
18°/12°
Temperatures
19 km/h
Avg max wind
78 %
Avg humidity
Saint Johns County Weather December
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Temperatures trend during December in Saint Johns County
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December weather in Saint Johns County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 17° /9° | 0 mm | 5 | |
| Dec. 2 | Sunny | 16° /8° | 0 mm | 5 | |
| Dec. 3 | Sunny | 12° /7° | 0 mm | 4 | |
| Dec. 4 |  Overcast | 15° /6° | 0 mm | 4 | |
| Dec. 5 | Overcast | 20° /9° | 0.3 mm | 5 | |
| Dec. 6 |  Patchy rain possible | 16° /9° | 5.5 mm | 4 | |
| Dec. 7 |  Cloudy | 13° /7° | 0 mm | 3 | |
| Dec. 8 | Overcast | 18° /7° | 0 mm | 4 | |
| Dec. 9 | Overcast | 22° /14° | 0 mm | 5 | |
| Dec. 10 | Overcast | 23° /17° | 0 mm | 5 | |
| Dec. 11 |  Moderate or heavy rain shower | 20° /10° | 13.6 mm | 5 | |
| Dec. 12 | Sunny | 14° /7° | 0 mm | 4 | |
| Dec. 13 |  Heavy rain at times | 19° /14° | 9.2 mm | 4 | |
| Dec. 14 | Patchy rain possible | 21° /18° | 0.8 mm | 5 | |
| Dec. 15 | Overcast | 22° /18° | 0 mm | 5 | |
| Dec. 16 | Overcast | 20° /17° | 0 mm | 5 | |
| Dec. 17 | Patchy rain possible | 22° /17° | 0.2 mm | 5 | |
| Dec. 18 | Overcast | 23° /17° | 0.1 mm | 5 | |
| Dec. 19 | Overcast | 21° /17° | 0 mm | 5 | |
| Dec. 20 | Overcast | 20° /13° | 0 mm | 5 | |
| Dec. 21 | Sunny | 12° /6° | 0 mm | 4 | |
| Dec. 22 | Cloudy | 14° /8° | 0 mm | 3 | |
| Dec. 23 | Moderate or heavy rain shower | 16° /11° | 7.6 mm | 4 | |
| Dec. 24 | Overcast | 15° /10° | 0 mm | 4 | |
| Dec. 25 | Overcast | 16° /12° | 0 mm | 4 | |
| Dec. 26 | Heavy rain at times | 17° /15° | 13.5 mm | 4 | |
| Dec. 27 | Patchy rain possible | 21° /15° | 1.3 mm | 5 | |
| Dec. 28 | Patchy rain possible | 22° /18° | 0.2 mm | 5 | |
| Dec. 29 | Moderate rain at times | 23° /18° | 2.1 mm | 5 | |
| Dec. 30 | Overcast | 21° /17° | 1.1 mm | 5 | |
| Dec. 31 |  Mist | 20° /14° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Saint Johns County 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 Saint Johns County forecast closer to your planned date for the most up-to-date weather information.
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Saint Johns County in December - FAQ
What are the expected maximum and minimum temperatures in Saint Johns County during December?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint Johns County during December?
Moderate rainfall is anticipated in Saint Johns County during December, with a total of 55.6 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Saint Johns County during December?
The average wind speed in Saint Johns County during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Saint Johns County
Explore the daily rainfall trends and prepare for Saint Johns Countys December weather 💧
UV exposure in Saint Johns County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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Where is Saint Johns County?Get accurate weather forecasts for Saint Johns County, located at latitude 29.895 and longitude -81.315. Stay updated with localized weather information tailored for Saint Johns County.
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