Average annual temperature is 13.5 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 132 days
Number of rainy days: 219 days
Number of snow days: 14 days
Look at detailed online map of Kōchidani
* Weather data for Kōchidani 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) | 13.6 | 13.8 | 19.9 | 22.0 | 26.8 | 26.6 | 32.2 | 32.3 | 30.1 | 22.7 | 22.6 | 17.6 |
| Average daytime temperature (°C) | 5.5 | 7.8 | 13.7 | 16.1 | 20.0 | 23.4 | 27.7 | 28.5 | 26.4 | 18.8 | 13.8 | 8.3 |
| Average temperature (°C) | 2.2 | 3.6 | 8.7 | 11.5 | 15.6 | 19.5 | 23.8 | 24.7 | 22.2 | 14.6 | 10.0 | 5.0 |
| Average night temperature (°C) | -0.6 | 0.6 | 4.9 | 8.1 | 12.3 | 16.7 | 21.1 | 22.3 | 19.6 | 11.6 | 6.9 | 2.3 |
| Absolute minimum temperature (°C) | -8.2 | -4.4 | -3.0 | 3.2 | 6.3 | 10.5 | 16.4 | 19.8 | 16.1 | 8.2 | -0.7 | -4.6 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 6.2 | 8.1 | 7.9 | 8.2 | 7.4 | 8.8 | 9.2 | 8.7 | 8.3 | 7.4 | 5.6 |
| Precipitation (mm) | 88 | 100 | 80 | 198 | 188 | 238 | 258 | 115 | 85 | 21 | 62 | 93 |
| Sunny days | 10 | 11 | 17 | 16 | 14 | 8 | 3 | 2 | 7 | 18 | 14 | 12 |
| Rainy days | 14 | 15 | 14 | 14 | 17 | 22 | 28 | 29 | 23 | 13 | 15 | 15 |
| Snow days | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Kōchidani is at