Weather in Saint Augustine, Florida for December 2025
Until now, December 2025 in Saint Augustine has been nearly identical to the historical average, with a temperature of 17.9 °F (showing only a slight deviation of -0.4 °F).
The forecast for the next days in Saint Augustine predicts temperatures to be around 21 °F, close to the historical average.
In general, the average temperature in Saint Augustine at the beginning of December is 17.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.7 °F by the end of December.
Saint Augustine experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 55.6 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
Saint Augustine Weather December
Temperatures trend during December in Saint Augustine
December weather in Saint Augustine day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 19° /14° | 40 mm | 5 | |
| Dec. 2 | Sunny | 20° /13° | 0 mm | 5 | |
| Dec. 3 | Sunny | 15° /9° | 0 mm | 4 | |
| Dec. 4 |  Overcast | 15° /7° | 0 mm | 4 | |
| Dec. 5 | Overcast | 22° /11° | 0.2 mm | 5 | |
| Dec. 6 |  Patchy rain possible | 18° /12° | 2.8 mm | 5 | |
| Dec. 7 |  Cloudy | 16° /11° | 33 mm | 4 | |
| Dec. 8 | Overcast | 19° /10° | 21.2 mm | 4 | |
| Dec. 9 | Overcast | 17° /11° | 0 mm | 4 | |
| Dec. 10 | Overcast | 22° /14° | 0 mm | 5 | |
| Dec. 11 |  Moderate or heavy rain shower | 18° /10° | 6.8 mm | 5 | |
| Dec. 12 | Sunny | 18° /8° | 0 mm | 5 | |
| Dec. 13 |  Heavy rain at times | 18° /12° | 4.6 mm | 4 | |
| Dec. 14 | Patchy rain possible | 21° /15° | 0.4 mm | 5 | |
| Dec. 15 | Overcast | 17° /12° | 0 mm | 4 | |
| Dec. 16 | Overcast | 17° /14° | 1.6 mm | 4 | |
| Dec. 17 | Patchy rain possible | 20° /15° | 0.1 mm | 5 | |
| Dec. 18 | Overcast | 22° /16° | 0.1 mm | 5 | |
| Dec. 19 | Sunny | 24° /14° | 0 mm | 0.6 | |
| Dec. 20 | Cloudy | 20° /15° | 0 mm | 0.8 | |
| Dec. 21 | Overcast | 20° /15° | 0 mm | 0.8 | |
| Dec. 22 | Patchy rain possible | 19° /15° | 0.2 mm | 0.3 | |
| Dec. 23 | Patchy rain possible | 19° /17° | 0.4 mm | 0 | |
| Dec. 24 | Sunny | 20° /15° | 0 mm | 5 | |
| Dec. 25 | Sunny | 21° /15° | 0 mm | 5 | |
| Dec. 26 | Sunny | 23° /14° | 0 mm | 5 | |
| Dec. 27 | Sunny | 22° /14° | 0 mm | 5 | |
| Dec. 28 | Patchy rain possible | 20° /16° | 1.2 mm | 4 | |
| Dec. 29 | Patchy rain possible | 20° /19° | 0.9 mm | 4 | |
| Dec. 30 | Patchy rain possible | 23° /18° | 0.8 mm | 4 | |
| Dec. 31 |  Mist | 23° /17° | 0 mm | 4 | |
| Next | |||||
Saint Augustine in December - FAQ
December rainfall patterns in Saint Augustine
UV exposure in Saint Augustine during December
Quick links
Where is Saint Augustine?Get accurate weather forecasts for Saint Augustine, located at latitude 29.895 and longitude -81.315. Stay updated with localized weather information tailored for Saint Augustine.