Average annual temperature is 11.9 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -11.0 °C
Number of sunny days: 75 days
Number of rainy days: 242 days
Number of snow days: 48 days
Look at detailed online map of Sasō
* Weather data for Sasō 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 | 8.9 | 19.8 | 23.0 | 27.1 | 28.0 | 32.2 | 34.9 | 33.9 | 22.5 | 22.8 | 14.1 |
| Average daytime temperature (°C) | 1.1 | 1.8 | 10.5 | 14.8 | 19.1 | 23.6 | 27.5 | 32.4 | 27.4 | 17.7 | 11.9 | 5.1 |
| Average temperature (°C) | -1.7 | -0.9 | 4.7 | 9.7 | 14.1 | 19.5 | 23.4 | 27.5 | 22.6 | 13.0 | 8.1 | 1.9 |
| Average night temperature (°C) | -4.3 | -3.6 | 0.1 | 5.5 | 9.8 | 16.0 | 20.1 | 24.0 | 19.7 | 9.5 | 4.8 | -1.1 |
| Absolute minimum temperature (°C) | -11.0 | -8.9 | -5.8 | -2.1 | 0.6 | 9.6 | 16.4 | 20.0 | 11.4 | 4.1 | -5.9 | -6.1 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.5 |
| 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) | 4.6 | 5.3 | 8.3 | 8.3 | 8.8 | 8.0 | 8.9 | 11.5 | 7.5 | 7.9 | 5.2 | 3.2 |
| Precipitation (mm) | 144 | 131 | 104 | 154 | 160 | 224 | 270 | 92 | 203 | 207 | 297 | 192 |
| Sunny days | 0 | 2 | 17 | 9 | 10 | 3 | 6 | 7 | 4 | 9 | 5 | 3 |
| Rainy days | 9 | 13 | 13 | 21 | 21 | 27 | 25 | 24 | 26 | 22 | 23 | 18 |
| Snow days | 22 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 |
The best time to visit Sasō during the most sunny months:
The largest precipitation sum in Sasō is at