Average annual temperature is 15.6 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: -1.0 °C
Number of sunny days: 252 days
Number of rainy days: 113 days
Look at detailed online map of City of Folsom
* Weather data for City of Folsom United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.1 | 18.9 | 19.1 | 29.9 | 32.9 | 37.7 | 41.7 | 41.1 | 32.9 | 33.9 | 24.4 | 18.5 |
| Average daytime temperature (°C) | 12.8 | 12.7 | 13.7 | 21.1 | 24.7 | 28.9 | 36.1 | 35.3 | 28.8 | 25.5 | 18.3 | 15.0 |
| Average temperature (°C) | 8.3 | 7.2 | 8.7 | 13.5 | 17.0 | 20.2 | 25.9 | 25.8 | 20.7 | 17.7 | 12.0 | 9.8 |
| Average night temperature (°C) | 5.1 | 3.0 | 5.2 | 7.7 | 11.3 | 13.5 | 17.5 | 18.3 | 14.6 | 12.1 | 7.2 | 6.0 |
| Absolute minimum temperature (°C) | -1.0 | -0.4 | -0.8 | -0.3 | 7.8 | 10.9 | 11.5 | 14.1 | 11.9 | 4.0 | 1.3 | 0.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.1 | 7.2 | 7.2 | 11.3 | 11.7 | 13.0 | 13.5 | 12.2 | 10.8 | 9.5 | 8.0 | 6.1 |
| Precipitation (mm) | 299 | 109 | 260 | 10 | 24 | 0 | 0 | 5 | 33 | 35 | 47 | 142 |
| Sunny days | 11 | 14 | 8 | 25 | 21 | 29 | 31 | 29 | 24 | 23 | 22 | 15 |
| Rainy days | 20 | 14 | 23 | 5 | 10 | 1 | 0 | 2 | 6 | 8 | 8 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Folsom during the most sunny months:
The largest precipitation sum in City of Folsom is at