Average annual temperature is 11.9 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -10.9 °C
Number of sunny days: 95 days
Number of rainy days: 221 days
Number of snow days: 49 days
Look at detailed online map of Koshimoto
* Weather data for Koshimoto 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) | 13.9 | 12.3 | 18.8 | 23.2 | 27.4 | 27.3 | 31.9 | 31.7 | 30.9 | 22.3 | 22.3 | 18.0 |
| Average daytime temperature (°C) | 2.5 | 3.5 | 11.3 | 16.1 | 19.7 | 23.2 | 28.6 | 29.3 | 26.3 | 17.4 | 12.8 | 8.3 |
| Average temperature (°C) | -1.4 | -0.3 | 6.3 | 10.1 | 14.3 | 19.1 | 23.6 | 24.7 | 22.1 | 12.6 | 7.9 | 3.2 |
| Average night temperature (°C) | -4.3 | -3.3 | 2.1 | 5.3 | 9.9 | 15.6 | 19.3 | 21.0 | 18.7 | 8.9 | 4.2 | -0.3 |
| Absolute minimum temperature (°C) | -10.9 | -8.7 | -6.4 | -1.4 | 2.1 | 8.0 | 15.8 | 18.2 | 12.0 | 4.6 | -3.3 | -6.2 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 5.4 | 6.1 | 8.0 | 8.6 | 9.1 | 8.0 | 10.4 | 10.9 | 8.7 | 8.2 | 6.5 | 6.6 |
| Precipitation (mm) | 140 | 122 | 108 | 102 | 170 | 225 | 124 | 95 | 164 | 83 | 102 | 109 |
| Sunny days | 6 | 8 | 12 | 13 | 11 | 5 | 5 | 2 | 5 | 9 | 11 | 8 |
| Rainy days | 4 | 8 | 16 | 16 | 20 | 25 | 26 | 29 | 25 | 22 | 17 | 13 |
| Snow days | 21 | 12 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 |
The best time to visit Koshimoto during the most sunny months:
The largest precipitation sum in Koshimoto is at