Average annual temperature is 9.8 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: -14.1 °C
Number of sunny days: 83 days
Number of rainy days: 211 days
Number of snow days: 71 days
Look at detailed online map of Yamakoshi-gun
* Weather data for Yamakoshi-gun 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) | 9.0 | 8.2 | 12.3 | 16.6 | 22.3 | 25.2 | 30.2 | 30.1 | 27.1 | 22.3 | 18.8 | 12.5 |
| Average daytime temperature (°C) | -1.4 | 0.3 | 7.3 | 11.4 | 16.4 | 19.7 | 25.0 | 27.1 | 23.4 | 16.4 | 9.2 | 1.3 |
| Average temperature (°C) | -4.4 | -2.5 | 3.5 | 7.7 | 12.0 | 16.5 | 21.9 | 24.5 | 20.3 | 12.6 | 5.9 | -1.3 |
| Average night temperature (°C) | -7.0 | -5.6 | 0.2 | 4.7 | 8.5 | 14.2 | 19.6 | 22.5 | 17.8 | 9.6 | 3.1 | -3.8 |
| Absolute minimum temperature (°C) | -14.1 | -10.7 | -7.9 | -0.7 | 3.4 | 8.3 | 14.8 | 19.6 | 11.8 | 3.9 | -4.8 | -10.7 |
| 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) | 6.3 | 6.2 | 8.1 | 8.0 | 10.2 | 7.5 | 9.1 | 7.9 | 6.8 | 7.6 | 5.9 | 4.5 |
| Precipitation (mm) | 67 | 73 | 51 | 110 | 74 | 166 | 110 | 162 | 154 | 111 | 146 | 90 |
| Sunny days | 4 | 6 | 14 | 7 | 14 | 8 | 3 | 1 | 6 | 11 | 3 | 6 |
| Rainy days | 4 | 5 | 12 | 23 | 17 | 22 | 28 | 30 | 24 | 20 | 20 | 6 |
| Snow days | 23 | 17 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 19 |
The best time to visit Yamakoshi-gun during the most sunny months:
The largest precipitation sum in Yamakoshi-gun is at