Average annual temperature is 9.5 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: -15.7 °C
Number of sunny days: 118 days
Number of rainy days: 204 days
Number of snow days: 43 days
Look at detailed online map of Shiraoi
* Weather data for Shiraoi 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) | 7.9 | 8.0 | 13.0 | 16.7 | 22.8 | 25.9 | 30.9 | 30.2 | 27.6 | 22.4 | 19.2 | 11.9 |
| Average daytime temperature (°C) | -1.3 | 0.2 | 7.2 | 12.0 | 16.3 | 19.7 | 24.7 | 27.0 | 23.4 | 16.6 | 9.8 | 2.2 |
| Average temperature (°C) | -5.4 | -3.4 | 2.6 | 7.9 | 11.8 | 16.4 | 21.7 | 24.5 | 20.2 | 12.2 | 6.1 | -1.0 |
| Average night temperature (°C) | -9.7 | -8.1 | -1.5 | 4.0 | 7.5 | 13.4 | 19.1 | 22.4 | 17.3 | 8.6 | 2.4 | -3.8 |
| Absolute minimum temperature (°C) | -15.7 | -15.0 | -8.7 | -1.8 | 2.5 | 6.3 | 14.9 | 19.5 | 10.8 | 2.2 | -6.2 | -9.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.4 | 8.6 | 8.4 | 9.5 | 8.6 | 9.5 | 8.2 | 6.6 | 8.1 | 6.6 | 5.8 |
| Precipitation (mm) | 45 | 58 | 90 | 115 | 106 | 234 | 139 | 256 | 325 | 87 | 150 | 51 |
| Sunny days | 15 | 9 | 14 | 13 | 10 | 9 | 6 | 4 | 3 | 9 | 10 | 16 |
| Rainy days | 4 | 2 | 14 | 17 | 21 | 21 | 25 | 27 | 27 | 22 | 17 | 7 |
| Snow days | 12 | 17 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 8 |
The largest precipitation sum in Shiraoi is at