Average annual temperature is 14.6 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -6.4 °C
Number of sunny days: 153 days
Number of rainy days: 210 days
Number of snow days: 2 days
Look at detailed online map of Shūnan
* Weather data for Shūnan 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 | 14.0 | 19.6 | 22.9 | 26.6 | 27.9 | 31.8 | 34.1 | 33.3 | 26.4 | 24.1 | 18.9 |
| Average daytime temperature (°C) | 7.9 | 9.4 | 14.8 | 17.5 | 21.2 | 24.1 | 28.4 | 30.2 | 28.1 | 21.1 | 16.0 | 10.2 |
| Average temperature (°C) | 3.4 | 4.5 | 9.7 | 12.9 | 16.8 | 20.5 | 24.7 | 26.0 | 23.7 | 15.6 | 11.1 | 5.6 |
| Average night temperature (°C) | -0.1 | 0.4 | 5.3 | 9.0 | 13.3 | 17.6 | 21.8 | 23.1 | 20.4 | 11.4 | 7.2 | 1.8 |
| Absolute minimum temperature (°C) | -6.4 | -5.0 | -4.6 | 4.0 | 5.0 | 12.2 | 17.9 | 20.9 | 16.9 | 5.7 | -0.3 | -4.4 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 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) | 6.8 | 6.8 | 8.0 | 7.9 | 8.5 | 7.0 | 9.0 | 9.2 | 9.0 | 8.3 | 8.1 | 6.6 |
| Precipitation (mm) | 76 | 86 | 107 | 269 | 260 | 340 | 204 | 208 | 106 | 21 | 33 | 77 |
| Sunny days | 20 | 12 | 17 | 16 | 13 | 9 | 4 | 2 | 5 | 19 | 17 | 19 |
| Rainy days | 10 | 16 | 14 | 14 | 18 | 21 | 27 | 29 | 25 | 12 | 13 | 11 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Shūnan is at