Average annual temperature is 10.9 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -11.0 °C
Number of sunny days: 75 days
Number of rainy days: 247 days
Number of snow days: 43 days
Look at detailed online map of Tamanashi
* Weather data for Tamanashi 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) | 9.4 | 9.2 | 16.5 | 24.1 | 29.8 | 26.2 | 32.0 | 33.6 | 32.3 | 22.6 | 22.6 | 14.1 |
| Average daytime temperature (°C) | 0.9 | 1.9 | 9.2 | 15.1 | 18.9 | 22.6 | 27.6 | 31.4 | 26.2 | 16.7 | 11.7 | 5.7 |
| Average temperature (°C) | -2.1 | -1.3 | 3.4 | 8.7 | 13.1 | 18.1 | 22.9 | 25.5 | 21.4 | 11.8 | 6.9 | 1.7 |
| Average night temperature (°C) | -4.6 | -3.9 | -1.3 | 3.6 | 8.2 | 14.4 | 18.9 | 21.1 | 18.3 | 8.2 | 3.3 | -1.2 |
| Absolute minimum temperature (°C) | -11.0 | -9.2 | -6.7 | -3.9 | 0.0 | 9.2 | 14.3 | 18.1 | 11.6 | 4.0 | -4.3 | -10.1 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 3.2 | 4.5 | 7.6 | 7.7 | 8.3 | 7.5 | 9.6 | 11.6 | 8.0 | 7.9 | 5.3 | 4.2 |
| Precipitation (mm) | 182 | 156 | 86 | 86 | 144 | 254 | 149 | 63 | 163 | 111 | 222 | 185 |
| Sunny days | 3 | 4 | 12 | 11 | 10 | 3 | 4 | 6 | 5 | 6 | 7 | 4 |
| Rainy days | 9 | 10 | 19 | 18 | 21 | 27 | 27 | 25 | 25 | 25 | 22 | 19 |
| Snow days | 19 | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 |
The best time to visit Tamanashi during the most sunny months:
The largest precipitation sum in Tamanashi is at