Average annual temperature is 16.6 °C
Absolute maximum temperature: 43.9 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 254 days
Number of rainy days: 110 days
Number of snow days: 1 day
Look at detailed online map of Butte County
* Weather data for Butte 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) | 17.6 | 19.4 | 18.0 | 31.8 | 34.2 | 40.2 | 43.9 | 43.2 | 36.7 | 32.4 | 23.1 | 18.0 |
| Average daytime temperature (°C) | 12.5 | 12.6 | 12.7 | 21.1 | 26.6 | 31.8 | 38.0 | 36.3 | 29.9 | 25.3 | 17.8 | 14.2 |
| Average temperature (°C) | 8.2 | 7.1 | 8.1 | 14.0 | 19.1 | 23.4 | 28.8 | 27.9 | 22.3 | 18.0 | 12.0 | 9.9 |
| Average night temperature (°C) | 5.4 | 3.4 | 4.7 | 8.4 | 12.8 | 16.3 | 20.1 | 20.4 | 16.1 | 13.0 | 7.9 | 6.8 |
| Absolute minimum temperature (°C) | -0.4 | 0.6 | -2.5 | 0.4 | 8.1 | 11.8 | 14.3 | 16.6 | 12.8 | 5.2 | 4.1 | 1.4 |
| 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 | 14.7 | 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 | 7.3 | 6.6 | 11.0 | 11.9 | 13.3 | 13.6 | 12.0 | 11.1 | 9.1 | 7.7 | 5.2 |
| Precipitation (mm) | 294 | 92 | 305 | 23 | 24 | 0 | 0 | 8 | 29 | 12 | 57 | 163 |
| Sunny days | 12 | 17 | 9 | 23 | 22 | 29 | 31 | 28 | 24 | 23 | 18 | 18 |
| Rainy days | 19 | 10 | 22 | 7 | 9 | 1 | 0 | 3 | 6 | 8 | 12 | 13 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Butte County during the most sunny months:
The largest precipitation sum in Butte County is at