Average annual temperature is 9.7 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 212 days
Number of rainy days: 123 days
Number of snow days: 30 days
Look at detailed online map of Sierra City
* Weather data for Sierra City 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) | 9.6 | 13.9 | 11.5 | 24.8 | 26.1 | 32.1 | 37.0 | 34.8 | 29.0 | 27.5 | 20.1 | 16.2 |
| Average daytime temperature (°C) | 4.9 | 6.6 | 4.7 | 13.0 | 17.8 | 22.8 | 30.8 | 28.7 | 22.4 | 20.0 | 13.0 | 10.6 |
| Average temperature (°C) | 0.8 | 0.6 | 0.5 | 5.6 | 11.0 | 15.5 | 22.8 | 20.7 | 15.2 | 12.1 | 6.4 | 4.1 |
| Average night temperature (°C) | -1.9 | -3.1 | -2.4 | 0.2 | 4.3 | 8.2 | 14.2 | 13.1 | 9.2 | 6.4 | 2.0 | -0.1 |
| Absolute minimum temperature (°C) | -8.8 | -9.6 | -7.9 | -8.5 | -2.8 | 2.6 | 6.3 | 8.5 | 5.6 | -2.2 | -4.8 | -7.8 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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 | 5.7 | 10.9 | 10.6 | 12.7 | 13.6 | 11.9 | 10.3 | 9.3 | 7.7 | 5.6 |
| Precipitation (mm) | 433 | 238 | 445 | 61 | 107 | 66 | 0 | 52 | 67 | 26 | 119 | 148 |
| Sunny days | 12 | 14 | 7 | 19 | 13 | 15 | 29 | 25 | 19 | 22 | 19 | 18 |
| Rainy days | 13 | 7 | 11 | 8 | 18 | 15 | 2 | 6 | 11 | 9 | 10 | 13 |
| Snow days | 6 | 7 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Sierra City during the most sunny months:
The largest precipitation sum in Sierra City is at