Average annual temperature is 16.0 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 170 days
Number of rainy days: 192 days
Number of snow days: 3 days
Look at detailed online map of Sōen
* Weather data for Sōen 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) | 16.8 | 15.5 | 23.5 | 25.3 | 27.4 | 30.3 | 36.2 | 37.2 | 34.2 | 26.4 | 26.6 | 19.5 |
| Average daytime temperature (°C) | 8.6 | 9.4 | 16.0 | 18.7 | 22.6 | 25.7 | 31.4 | 33.1 | 30.7 | 22.1 | 16.9 | 11.7 |
| Average temperature (°C) | 3.8 | 5.0 | 10.8 | 13.8 | 17.9 | 22.0 | 27.0 | 28.4 | 26.1 | 17.1 | 12.3 | 7.2 |
| Average night temperature (°C) | -0.3 | 1.1 | 6.1 | 9.6 | 14.1 | 18.5 | 23.4 | 24.9 | 22.6 | 12.9 | 8.7 | 3.3 |
| Absolute minimum temperature (°C) | -9.6 | -3.5 | -1.6 | 3.4 | 7.4 | 12.1 | 18.6 | 23.2 | 18.5 | 7.5 | 0.7 | -3.3 |
| 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 | 10.4 | 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) | 7.1 | 6.4 | 8.5 | 8.0 | 9.3 | 6.8 | 9.7 | 10.1 | 9.8 | 8.8 | 7.4 | 7.0 |
| Precipitation (mm) | 42 | 44 | 96 | 180 | 270 | 318 | 88 | 217 | 56 | 34 | 119 | 28 |
| Sunny days | 13 | 14 | 19 | 16 | 17 | 8 | 12 | 6 | 12 | 16 | 17 | 20 |
| Rainy days | 16 | 13 | 12 | 14 | 14 | 22 | 19 | 25 | 18 | 15 | 13 | 11 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sōen is at