Average annual temperature is 12.0 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -10.5 °C
Number of sunny days: 92 days
Number of rainy days: 231 days
Number of snow days: 42 days
Look at detailed online map of Kohama
* Weather data for Kohama 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) | 10.1 | 9.8 | 18.0 | 21.9 | 27.5 | 29.6 | 33.9 | 37.3 | 31.7 | 22.7 | 22.3 | 13.4 |
| Average daytime temperature (°C) | 0.6 | 1.8 | 10.7 | 14.4 | 18.9 | 23.8 | 27.6 | 31.9 | 26.2 | 18.0 | 11.5 | 3.7 |
| Average temperature (°C) | -1.6 | -0.4 | 5.6 | 9.9 | 14.0 | 19.3 | 23.8 | 27.6 | 22.2 | 13.7 | 8.2 | 1.1 |
| Average night temperature (°C) | -3.6 | -2.6 | 1.8 | 6.3 | 10.1 | 16.1 | 20.7 | 24.5 | 19.1 | 10.4 | 5.4 | -1.4 |
| Absolute minimum temperature (°C) | -10.5 | -7.7 | -3.1 | -2.0 | 3.6 | 11.6 | 15.4 | 22.2 | 11.6 | 5.1 | -2.3 | -8.8 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 5.0 | 5.9 | 8.6 | 8.6 | 9.8 | 8.3 | 9.7 | 11.4 | 8.0 | 8.2 | 4.9 | 3.8 |
| Precipitation (mm) | 104 | 79 | 82 | 126 | 140 | 111 | 213 | 42 | 118 | 146 | 200 | 112 |
| Sunny days | 1 | 1 | 17 | 10 | 14 | 9 | 7 | 7 | 6 | 9 | 7 | 4 |
| Rainy days | 11 | 14 | 14 | 20 | 17 | 21 | 24 | 24 | 24 | 22 | 20 | 20 |
| Snow days | 19 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 |
The best time to visit Kohama during the most sunny months:
The largest precipitation sum in Kohama is at