Average annual temperature is 15.7 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 158 days
Number of rainy days: 207 days
Look at detailed online map of Hiraishi
* Weather data for Hiraishi 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) | 18.9 | 16.0 | 23.4 | 24.4 | 26.7 | 30.1 | 31.6 | 33.2 | 32.2 | 26.8 | 24.3 | 19.4 |
| Average daytime temperature (°C) | 10.2 | 10.7 | 16.5 | 18.9 | 22.1 | 25.1 | 28.9 | 29.1 | 28.4 | 22.5 | 17.2 | 12.2 |
| Average temperature (°C) | 5.0 | 6.4 | 11.3 | 14.3 | 18.0 | 21.4 | 25.3 | 25.5 | 24.4 | 16.9 | 12.0 | 6.8 |
| Average night temperature (°C) | 1.1 | 2.7 | 6.9 | 9.8 | 14.2 | 18.3 | 22.1 | 22.9 | 21.3 | 12.3 | 7.5 | 2.6 |
| Absolute minimum temperature (°C) | -5.5 | -3.0 | -0.9 | 3.9 | 7.3 | 12.6 | 17.9 | 20.9 | 17.8 | 6.6 | -0.6 | -5.2 |
| 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 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| 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) | 7.6 | 7.2 | 8.1 | 7.9 | 8.2 | 6.0 | 9.6 | 8.3 | 9.3 | 8.9 | 7.9 | 7.4 |
| Precipitation (mm) | 91 | 55 | 182 | 408 | 341 | 498 | 185 | 683 | 147 | 27 | 143 | 62 |
| Sunny days | 18 | 15 | 16 | 15 | 14 | 9 | 3 | 3 | 5 | 21 | 19 | 20 |
| Rainy days | 13 | 13 | 15 | 15 | 17 | 21 | 28 | 28 | 25 | 10 | 11 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hiraishi is at