Weather in Folsom, California for December 2025
Until now, December 2025 in Folsom has been nearly identical to the historical average, with a temperature of 15.3 °F (showing only a slight deviation of 0.5 °F).
Expect cooler weather in the next days in Folsom with the forecast suggesting a temperature of 13.1 °F, lower than the historical average.
In general, the average temperature in Folsom at the beginning of December is 15.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.4 °F by the end of December.
Folsom experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 283.2 mm.
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Folsom Weather December
Temperatures trend during December in Folsom
December weather in Folsom day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Partly cloudy | 16° /4° | 0 mm | 5 | |
| Dec. 2 |  Sunny | 17° /7° | 0 mm | 5 | |
| Dec. 3 | Sunny | 18° /7° | 0 mm | 5 | |
| Dec. 4 | Sunny | 16° /7° | 0 mm | 5 | |
| Dec. 5 |  Cloudy | 16° /6° | 0 mm | 4 | |
| Dec. 6 | Partly cloudy | 15° /7° | 0 mm | 5 | |
| Dec. 7 |  Overcast | 13° /6° | 0 mm | 3 | |
| Dec. 8 | Partly cloudy | 12° /7° | 0 mm | 3 | |
| Dec. 9 | Sunny | 13° /4° | 0 mm | 4 | |
| Dec. 10 | Partly cloudy | 15° /4° | 0 mm | 5 | |
| Dec. 11 | Overcast | 15° /5° | 0 mm | 4 | |
| Dec. 12 |  Moderate or heavy rain shower | 15° /7° | 16.5 mm | 4 | |
| Dec. 13 | Overcast | 15° /8° | 0 mm | 4 | |
| Dec. 14 | Moderate or heavy rain shower | 15° /8° | 31.3 mm | 4 | |
| Dec. 15 |  Mist | 12° /6° | 0 mm | 3 | |
| Dec. 16 |  Light rain shower | 13° /8° | 10.4 mm | 3 | |
| Dec. 17 | Patchy rain possible | 15° /8° | 0.4 mm | 0.3 | |
| Dec. 18 | Mist | 13° /10° | 0 mm | 0.4 | |
| Dec. 19 | Cloudy | 15° /8° | 0 mm | 0.1 | |
| Dec. 20 |  Moderate rain | 17° /12° | 7 mm | 0.2 | |
| Dec. 21 | Moderate rain | 14° /13° | 15 mm | 0 | |
| Dec. 22 | Partly cloudy | 15° /13° | 0 mm | 4 | |
| Dec. 23 | Moderate rain | 15° /11° | 7.8 mm | 3 | |
| Dec. 24 | Patchy rain possible | 11° /6° | 1.1 mm | 2 | |
| Dec. 25 | Patchy rain possible | 9° /5° | 2.2 mm | 2 | |
| Dec. 26 | Patchy rain possible | 12° /10° | 1.4 mm | 3 | |
| Dec. 27 | Partly cloudy | 13° /10° | 0 mm | 4 | |
| Dec. 28 | Patchy rain possible | 12° /8° | 0.1 mm | 3 | |
| Dec. 29 | Patchy rain possible | 12° /8° | 0.2 mm | 2 | |
| Dec. 30 | Moderate rain | 11° /10° | 5.5 mm | 3 | |
| Dec. 31 | Patchy rain possible | 11° /4° | 0.3 mm | 3 | |
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Folsom in December - FAQ
December rainfall patterns in Folsom
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Where is Folsom?Get accurate weather forecasts for Folsom, located at latitude 38.678 and longitude -121.176. Stay updated with localized weather information tailored for Folsom.