Average annual temperature is 7.9 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -17.0 °C
Number of sunny days: 121 days
Number of rainy days: 207 days
Number of snow days: 37 days
Look at detailed online map of Kōchien
* Weather data for Kōchien 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) | 5.9 | 5.5 | 12.5 | 17.1 | 23.7 | 26.0 | 29.9 | 31.3 | 27.4 | 21.0 | 15.8 | 8.6 |
| Average daytime temperature (°C) | -4.3 | -2.7 | 5.3 | 10.0 | 15.8 | 20.7 | 24.9 | 25.7 | 22.4 | 14.8 | 7.9 | -0.5 |
| Average temperature (°C) | -8.0 | -5.9 | 1.4 | 5.9 | 11.1 | 16.3 | 21.0 | 22.1 | 18.4 | 10.6 | 4.4 | -3.7 |
| Average night temperature (°C) | -11.0 | -9.1 | -1.9 | 2.5 | 7.4 | 12.8 | 17.8 | 19.4 | 15.4 | 7.5 | 1.0 | -6.8 |
| Absolute minimum temperature (°C) | -16.7 | -16.9 | -8.2 | -3.7 | 0.3 | 5.7 | 13.1 | 13.4 | 10.3 | 1.0 | -7.5 | -17.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.1 | 8.0 | 7.9 | 9.6 | 9.4 | 9.7 | 7.3 | 7.0 | 8.0 | 6.1 | 6.0 |
| Precipitation (mm) | 43 | 81 | 117 | 212 | 77 | 129 | 97 | 190 | 223 | 145 | 213 | 71 |
| Sunny days | 17 | 11 | 16 | 9 | 4 | 7 | 11 | 4 | 4 | 11 | 13 | 14 |
| Rainy days | 4 | 4 | 10 | 20 | 27 | 23 | 20 | 27 | 26 | 20 | 17 | 9 |
| Snow days | 10 | 13 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 |
The largest precipitation sum in Kōchien is at