Average annual temperature is 12.1 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: -10.9 °C
Number of sunny days: 113 days
Number of rainy days: 246 days
Number of snow days: 6 days
Look at detailed online map of Suntō-gun
* Weather data for Suntō-gun 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) | 11.3 | 12.1 | 18.8 | 21.9 | 27.7 | 27.8 | 31.8 | 29.9 | 28.9 | 25.0 | 21.4 | 16.1 |
| Average daytime temperature (°C) | 5.5 | 6.7 | 12.2 | 15.5 | 18.4 | 22.0 | 27.4 | 27.7 | 25.5 | 17.9 | 14.3 | 9.6 |
| Average temperature (°C) | 1.0 | 2.3 | 7.2 | 10.8 | 13.7 | 18.0 | 22.7 | 22.9 | 20.9 | 12.6 | 8.7 | 4.1 |
| Average night temperature (°C) | -2.4 | -1.8 | 2.8 | 6.6 | 9.4 | 14.6 | 18.5 | 19.3 | 17.2 | 8.3 | 4.6 | 0.1 |
| Absolute minimum temperature (°C) | -8.9 | -10.9 | -3.6 | 0.1 | 4.0 | 10.9 | 14.3 | 16.3 | 11.3 | 4.1 | -2.1 | -5.1 |
| 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 | 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 6.8 | 7.9 | 8.2 | 8.5 | 6.9 | 10.0 | 10.8 | 9.2 | 8.7 | 7.6 | 7.6 |
| Precipitation (mm) | 89 | 139 | 262 | 235 | 311 | 584 | 98 | 217 | 191 | 152 | 161 | 89 |
| Sunny days | 10 | 13 | 9 | 9 | 10 | 4 | 8 | 5 | 7 | 9 | 13 | 16 |
| Rainy days | 16 | 14 | 22 | 21 | 21 | 26 | 23 | 26 | 23 | 22 | 17 | 15 |
| Snow days | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Suntō-gun during the most sunny months:
The largest precipitation sum in Suntō-gun is at