Average annual temperature is 11.5 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: -8.5 °C
Number of sunny days: 223 days
Number of rainy days: 130 days
Number of snow days: 12 days
Look at detailed online map of Placer County
* Weather data for Placer County 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) | 15.8 | 16.9 | 13.0 | 27.9 | 28.6 | 34.1 | 40.2 | 36.8 | 29.6 | 30.1 | 22.2 | 18.2 |
| Average daytime temperature (°C) | 9.1 | 9.9 | 7.0 | 17.1 | 20.4 | 24.8 | 33.1 | 30.5 | 24.0 | 21.8 | 15.4 | 13.0 |
| Average temperature (°C) | 3.3 | 2.9 | 2.1 | 8.7 | 13.6 | 17.2 | 24.2 | 22.2 | 16.3 | 13.4 | 7.8 | 6.0 |
| Average night temperature (°C) | -0.5 | -2.0 | -1.4 | 1.3 | 6.8 | 9.4 | 13.6 | 13.5 | 9.5 | 7.2 | 2.3 | 1.2 |
| Absolute minimum temperature (°C) | -7.1 | -5.4 | -7.8 | -8.5 | 1.1 | 4.1 | 7.1 | 9.7 | 5.1 | -4.2 | -3.1 | -3.8 |
| 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 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 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) | 4.9 | 6.6 | 6.2 | 11.2 | 11.0 | 12.6 | 13.5 | 11.9 | 10.6 | 9.5 | 7.8 | 6.0 |
| Precipitation (mm) | 390 | 185 | 414 | 32 | 73 | 9 | 0 | 31 | 111 | 30 | 108 | 113 |
| Sunny days | 11 | 13 | 7 | 23 | 14 | 17 | 30 | 25 | 21 | 24 | 21 | 17 |
| Rainy days | 20 | 9 | 19 | 6 | 17 | 13 | 1 | 6 | 9 | 7 | 9 | 14 |
| Snow days | 0 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Placer County during the most sunny months:
The largest precipitation sum in Placer County is at