Average annual temperature is 13.5 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -8.0 °C
Number of sunny days: 80 days
Number of rainy days: 257 days
Number of snow days: 28 days
Look at detailed online map of Hirei
* Weather data for Hirei 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) | 14.4 | 8.7 | 22.7 | 24.1 | 30.6 | 28.8 | 33.3 | 38.4 | 34.8 | 24.7 | 25.8 | 16.7 |
| Average daytime temperature (°C) | 3.7 | 4.2 | 13.1 | 16.7 | 20.7 | 24.8 | 29.3 | 35.0 | 28.6 | 19.1 | 14.4 | 8.1 |
| Average temperature (°C) | 0.7 | 1.1 | 6.9 | 11.0 | 15.4 | 20.5 | 25.0 | 28.7 | 23.9 | 14.4 | 9.9 | 4.2 |
| Average night temperature (°C) | -1.6 | -2.0 | 1.5 | 6.1 | 10.6 | 16.7 | 21.1 | 23.6 | 20.4 | 10.7 | 6.1 | 1.0 |
| Absolute minimum temperature (°C) | -7.7 | -7.2 | -8.0 | -1.7 | 1.5 | 10.4 | 15.8 | 21.0 | 12.7 | 6.5 | 1.1 | -6.0 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.6 | 4.8 | 7.7 | 7.6 | 8.3 | 7.8 | 9.5 | 11.9 | 7.7 | 7.6 | 5.3 | 3.9 |
| Precipitation (mm) | 239 | 176 | 120 | 148 | 155 | 268 | 167 | 56 | 185 | 256 | 248 | 303 |
| Sunny days | 1 | 4 | 12 | 10 | 12 | 5 | 6 | 7 | 7 | 6 | 7 | 3 |
| Rainy days | 16 | 14 | 18 | 20 | 19 | 25 | 25 | 24 | 23 | 25 | 23 | 25 |
| Snow days | 14 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Hirei during the most sunny months:
The largest precipitation sum in Hirei is at