Average annual temperature is 15.1 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -11.1 °C
Number of sunny days: 139 days
Number of rainy days: 219 days
Number of snow days: 7 days
Look at detailed online map of Shirasu
* Weather data for Shirasu 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) | 16.4 | 14.7 | 21.7 | 24.4 | 27.7 | 29.3 | 34.4 | 36.6 | 32.2 | 24.0 | 24.7 | 20.0 |
| Average daytime temperature (°C) | 7.2 | 8.2 | 15.4 | 18.4 | 22.0 | 24.8 | 30.8 | 31.6 | 29.1 | 20.3 | 15.8 | 10.6 |
| Average temperature (°C) | 3.1 | 4.1 | 10.1 | 13.1 | 17.3 | 21.1 | 26.2 | 27.0 | 24.6 | 15.8 | 11.4 | 6.3 |
| Average night temperature (°C) | -0.3 | 0.6 | 5.6 | 8.7 | 13.4 | 18.0 | 22.5 | 23.8 | 21.2 | 12.1 | 7.9 | 2.7 |
| Absolute minimum temperature (°C) | -11.1 | -2.9 | -1.3 | 4.2 | 7.0 | 13.0 | 18.2 | 22.2 | 16.4 | 7.7 | 1.6 | -3.5 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 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 | 5.9 | 8.4 | 7.9 | 9.4 | 6.6 | 10.0 | 9.8 | 9.9 | 8.7 | 7.4 | 6.9 |
| Precipitation (mm) | 51 | 55 | 95 | 144 | 238 | 416 | 106 | 229 | 132 | 63 | 114 | 39 |
| Sunny days | 8 | 11 | 16 | 15 | 16 | 8 | 10 | 4 | 8 | 15 | 14 | 14 |
| Rainy days | 19 | 14 | 15 | 15 | 15 | 22 | 21 | 27 | 22 | 16 | 16 | 17 |
| Snow days | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Shirasu is at