Average annual temperature is 14.9 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -10.9 °C
Number of sunny days: 151 days
Number of rainy days: 207 days
Number of snow days: 7 days
Look at detailed online map of Sayō Chō
* Weather data for Sayō Chō 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) | 16.5 | 15.0 | 22.8 | 25.2 | 29.1 | 30.4 | 34.5 | 35.5 | 33.3 | 26.4 | 24.5 | 19.7 |
| Average daytime temperature (°C) | 8.1 | 8.9 | 16.2 | 18.5 | 22.6 | 25.9 | 30.6 | 31.5 | 29.4 | 21.5 | 16.0 | 10.8 |
| Average temperature (°C) | 2.8 | 3.9 | 9.8 | 12.8 | 17.2 | 21.1 | 25.9 | 27.0 | 24.6 | 15.8 | 10.9 | 5.8 |
| Average night temperature (°C) | -1.3 | -0.2 | 4.7 | 8.2 | 12.9 | 17.5 | 22.3 | 23.8 | 21.3 | 11.3 | 7.0 | 2.1 |
| Absolute minimum temperature (°C) | -10.9 | -4.4 | -2.8 | 2.6 | 7.0 | 11.8 | 19.1 | 21.7 | 17.0 | 6.9 | -0.2 | -3.6 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.6 | 6.5 | 8.3 | 7.7 | 8.6 | 6.8 | 9.0 | 10.0 | 8.9 | 8.9 | 7.6 | 6.6 |
| Precipitation (mm) | 32 | 42 | 111 | 228 | 248 | 287 | 180 | 195 | 102 | 31 | 123 | 48 |
| Sunny days | 15 | 11 | 18 | 15 | 15 | 9 | 7 | 0 | 8 | 19 | 17 | 17 |
| Rainy days | 13 | 14 | 13 | 15 | 16 | 21 | 24 | 31 | 22 | 12 | 13 | 13 |
| Snow days | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Sayō Chō is at