Average annual temperature is 11.8 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -12.3 °C
Number of sunny days: 72 days
Number of rainy days: 245 days
Number of snow days: 48 days
Look at detailed online map of Sannowatari
* Weather data for Sannowatari 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) | 9.7 | 8.6 | 20.0 | 21.2 | 26.0 | 28.2 | 31.7 | 34.8 | 31.9 | 22.4 | 22.7 | 13.7 |
| Average daytime temperature (°C) | 0.7 | 1.6 | 10.9 | 14.3 | 18.8 | 23.5 | 26.9 | 32.0 | 26.4 | 17.7 | 11.6 | 4.2 |
| Average temperature (°C) | -2.0 | -1.0 | 5.5 | 9.5 | 13.7 | 19.3 | 23.4 | 27.3 | 21.9 | 13.3 | 8.2 | 1.4 |
| Average night temperature (°C) | -4.5 | -3.6 | 1.3 | 5.8 | 9.6 | 15.9 | 20.3 | 23.8 | 18.7 | 10.0 | 5.3 | -1.3 |
| Absolute minimum temperature (°C) | -12.3 | -8.4 | -4.8 | -0.1 | 2.0 | 11.5 | 14.5 | 22.2 | 9.6 | 4.4 | -3.2 | -9.5 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 4.9 | 5.9 | 8.3 | 8.7 | 9.2 | 8.0 | 8.5 | 11.7 | 7.9 | 8.0 | 4.9 | 3.9 |
| Precipitation (mm) | 108 | 98 | 99 | 154 | 162 | 176 | 340 | 133 | 219 | 199 | 282 | 136 |
| Sunny days | 2 | 2 | 15 | 10 | 12 | 6 | 5 | 4 | 2 | 7 | 5 | 2 |
| Rainy days | 12 | 11 | 15 | 20 | 19 | 24 | 26 | 27 | 28 | 24 | 23 | 16 |
| Snow days | 17 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 13 |
The best time to visit Sannowatari during the most sunny months:
The largest precipitation sum in Sannowatari is at