Average annual temperature is 11.7 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -10.4 °C
Number of sunny days: 76 days
Number of rainy days: 237 days
Number of snow days: 52 days
Look at detailed online map of Sayo
* Weather data for Sayo 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) | 10.3 | 8.7 | 19.6 | 20.7 | 25.2 | 27.2 | 31.6 | 35.7 | 30.0 | 22.5 | 23.4 | 13.5 |
| Average daytime temperature (°C) | 0.4 | 1.3 | 9.2 | 13.0 | 17.8 | 22.4 | 26.5 | 30.9 | 25.2 | 17.4 | 11.4 | 3.7 |
| Average temperature (°C) | -1.5 | -0.4 | 5.1 | 9.2 | 13.4 | 19.0 | 23.3 | 26.8 | 21.7 | 13.9 | 8.2 | 1.5 |
| Average night temperature (°C) | -3.1 | -2.1 | 1.7 | 6.2 | 10.0 | 16.0 | 20.6 | 23.7 | 18.8 | 10.9 | 5.4 | -0.7 |
| Absolute minimum temperature (°C) | -10.4 | -7.0 | -1.7 | 0.7 | 3.2 | 11.8 | 15.6 | 21.4 | 12.3 | 5.7 | -2.1 | -5.9 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.7 | 11.9 | 13.3 | 14.5 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 5.0 | 5.8 | 8.2 | 8.7 | 9.8 | 8.6 | 9.9 | 11.9 | 7.7 | 7.8 | 5.1 | 3.6 |
| Precipitation (mm) | 148 | 122 | 101 | 137 | 127 | 139 | 207 | 101 | 172 | 192 | 203 | 133 |
| Sunny days | 1 | 1 | 18 | 9 | 10 | 6 | 3 | 7 | 7 | 8 | 5 | 1 |
| Rainy days | 7 | 13 | 12 | 21 | 21 | 24 | 28 | 24 | 23 | 23 | 22 | 19 |
| Snow days | 23 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 11 |
The best time to visit Sayo during the most sunny months:
The largest precipitation sum in Sayo is at