Average annual temperature is 15.2 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -7.9 °C
Number of sunny days: 169 days
Number of rainy days: 194 days
Number of snow days: 2 days
Look at detailed online map of Yamanashi
* Weather data for Yamanashi 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) | 17.2 | 18.2 | 24.5 | 25.1 | 29.1 | 29.8 | 34.9 | 34.7 | 33.4 | 25.0 | 24.5 | 20.6 |
| Average daytime temperature (°C) | 10.7 | 12.7 | 16.8 | 20.0 | 22.2 | 25.0 | 30.8 | 31.4 | 28.9 | 21.1 | 18.0 | 13.8 |
| Average temperature (°C) | 4.2 | 6.1 | 10.5 | 13.8 | 16.9 | 20.9 | 25.5 | 26.3 | 23.9 | 14.7 | 11.4 | 7.3 |
| Average night temperature (°C) | -1.0 | 0.2 | 4.6 | 7.7 | 11.6 | 16.9 | 20.2 | 21.3 | 19.7 | 8.8 | 6.4 | 2.1 |
| Absolute minimum temperature (°C) | -7.9 | -4.5 | -3.8 | 1.6 | 3.5 | 11.5 | 17.2 | 17.5 | 10.8 | 4.1 | -0.1 | -2.8 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.8 | 8.9 | 9.5 | 9.5 | 8.1 | 10.3 | 10.9 | 9.9 | 9.2 | 8.2 | 7.7 |
| Precipitation (mm) | 68 | 99 | 149 | 144 | 285 | 384 | 72 | 130 | 123 | 95 | 112 | 64 |
| Sunny days | 13 | 12 | 15 | 15 | 15 | 8 | 15 | 10 | 9 | 19 | 20 | 18 |
| Rainy days | 16 | 16 | 16 | 15 | 16 | 22 | 16 | 21 | 21 | 12 | 10 | 13 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yamanashi is at