Average annual temperature is 16.3 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -4.8 °C
Number of sunny days: 166 days
Number of rainy days: 199 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) | 19.0 | 16.7 | 24.0 | 23.3 | 26.2 | 30.4 | 32.1 | 32.5 | 33.7 | 28.2 | 25.1 | 20.9 |
| Average daytime temperature (°C) | 11.1 | 11.6 | 17.2 | 19.5 | 22.6 | 25.4 | 29.6 | 29.6 | 29.2 | 23.6 | 18.3 | 13.1 |
| Average temperature (°C) | 5.5 | 6.9 | 11.9 | 14.9 | 18.4 | 21.8 | 25.9 | 26.2 | 25.2 | 17.9 | 12.8 | 7.8 |
| Average night temperature (°C) | 1.2 | 2.6 | 7.1 | 10.3 | 14.4 | 18.5 | 22.7 | 23.5 | 21.9 | 12.9 | 8.5 | 3.5 |
| Absolute minimum temperature (°C) | -4.8 | -2.7 | -1.1 | 4.7 | 7.5 | 13.3 | 18.7 | 21.5 | 19.6 | 7.7 | 1.0 | -3.6 |
| 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 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| 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) | 7.7 | 7.2 | 8.1 | 8.0 | 8.3 | 6.2 | 9.9 | 8.3 | 9.4 | 9.0 | 8.0 | 7.4 |
| Precipitation (mm) | 76 | 55 | 174 | 283 | 292 | 473 | 125 | 644 | 125 | 25 | 123 | 60 |
| Sunny days | 18 | 15 | 18 | 17 | 14 | 9 | 4 | 3 | 6 | 24 | 18 | 20 |
| Rainy days | 13 | 13 | 13 | 13 | 17 | 21 | 27 | 28 | 24 | 7 | 12 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kohama is at