Average annual temperature is 8.6 °C
Absolute maximum temperature: 29.8 °C
Absolute minimum temperature: -14.8 °C
Number of sunny days: 70 days
Number of rainy days: 239 days
Number of snow days: 56 days
Look at detailed online map of Kotozawa
* Weather data for Kotozawa 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) | 7.5 | 4.8 | 12.7 | 19.2 | 23.7 | 24.1 | 29.0 | 29.8 | 28.6 | 18.9 | 18.1 | 9.3 |
| Average daytime temperature (°C) | -2.5 | -1.6 | 5.9 | 10.5 | 15.3 | 19.5 | 23.7 | 27.0 | 22.9 | 13.9 | 8.1 | 1.8 |
| Average temperature (°C) | -5.1 | -4.1 | 2.0 | 5.8 | 11.0 | 16.1 | 20.3 | 23.1 | 19.0 | 10.2 | 4.9 | -1.2 |
| Average night temperature (°C) | -7.5 | -6.3 | -1.5 | 1.9 | 7.5 | 13.5 | 17.9 | 20.5 | 16.8 | 7.7 | 2.3 | -3.9 |
| Absolute minimum temperature (°C) | -14.8 | -11.2 | -6.9 | -3.1 | 0.9 | 8.6 | 12.8 | 19.2 | 10.5 | 1.4 | -6.6 | -9.4 |
| 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) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 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) | 4.8 | 6.4 | 8.3 | 8.7 | 8.7 | 7.9 | 8.9 | 11.3 | 7.4 | 8.2 | 5.6 | 3.7 |
| Precipitation (mm) | 138 | 115 | 93 | 134 | 200 | 210 | 271 | 106 | 227 | 126 | 219 | 181 |
| Sunny days | 1 | 2 | 15 | 11 | 9 | 3 | 6 | 2 | 5 | 7 | 6 | 3 |
| Rainy days | 9 | 9 | 11 | 18 | 22 | 27 | 25 | 29 | 25 | 24 | 21 | 19 |
| Snow days | 21 | 17 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 9 |
The best time to visit Kotozawa during the most sunny months:
The largest precipitation sum in Kotozawa is at