Average annual temperature is 12.0 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 139 days
Number of rainy days: 212 days
Number of snow days: 14 days
Look at detailed online map of Chichibu-gun
* Weather data for Chichibu-gun Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 10.8 | 14.0 | 19.8 | 24.5 | 28.7 | 28.2 | 32.3 | 31.0 | 29.6 | 21.8 | 20.9 | 16.5 |
| Average daytime temperature (°C) | 5.8 | 7.0 | 12.8 | 17.0 | 19.4 | 22.5 | 28.4 | 29.0 | 25.6 | 18.1 | 13.8 | 9.0 |
| Average temperature (°C) | 0.3 | 1.3 | 6.8 | 10.6 | 13.8 | 18.2 | 23.1 | 23.8 | 21.2 | 12.5 | 8.1 | 3.3 |
| Average night temperature (°C) | -3.9 | -3.2 | 1.5 | 5.0 | 8.7 | 14.3 | 18.3 | 19.6 | 17.7 | 7.8 | 3.6 | -1.3 |
| Absolute minimum temperature (°C) | -9.1 | -6.8 | -4.9 | -1.4 | 0.0 | 8.3 | 15.1 | 15.5 | 11.2 | 3.1 | -2.6 | -6.0 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 8.1 | 8.4 | 9.1 | 9.0 | 7.8 | 9.7 | 10.7 | 9.1 | 8.9 | 8.0 | 7.9 |
| Precipitation (mm) | 21 | 56 | 110 | 97 | 214 | 349 | 75 | 159 | 198 | 99 | 73 | 32 |
| Sunny days | 15 | 17 | 14 | 14 | 14 | 4 | 8 | 1 | 2 | 15 | 17 | 18 |
| Rainy days | 8 | 7 | 17 | 16 | 17 | 26 | 23 | 30 | 28 | 16 | 13 | 11 |
| Snow days | 8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Chichibu-gun is at