Average annual temperature is 11.3 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -14.0 °C
Number of sunny days: 92 days
Number of rainy days: 226 days
Number of snow days: 47 days
Look at detailed online map of Hareyama
* Weather data for Hareyama 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) | 10.6 | 9.4 | 20.3 | 22.6 | 27.7 | 29.3 | 32.6 | 34.4 | 32.6 | 23.4 | 22.0 | 13.5 |
| Average daytime temperature (°C) | 1.0 | 1.3 | 11.2 | 14.9 | 18.8 | 23.6 | 27.7 | 31.2 | 25.7 | 17.9 | 11.5 | 3.9 |
| Average temperature (°C) | -2.5 | -2.1 | 5.2 | 9.6 | 13.5 | 19.0 | 23.4 | 26.4 | 21.4 | 13.0 | 7.7 | 0.4 |
| Average night temperature (°C) | -5.4 | -5.4 | 0.6 | 5.7 | 9.4 | 15.7 | 20.1 | 23.4 | 18.4 | 9.6 | 4.7 | -2.7 |
| Absolute minimum temperature (°C) | -14.0 | -11.4 | -10.6 | -0.5 | 1.7 | 10.5 | 15.5 | 20.6 | 11.2 | 4.0 | -4.6 | -13.1 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 6.4 | 6.8 | 8.6 | 9.1 | 8.9 | 8.2 | 9.7 | 10.6 | 7.5 | 8.5 | 6.0 | 5.6 |
| Precipitation (mm) | 49 | 59 | 83 | 87 | 108 | 147 | 168 | 112 | 168 | 83 | 94 | 82 |
| Sunny days | 7 | 5 | 18 | 9 | 7 | 6 | 7 | 6 | 1 | 9 | 9 | 8 |
| Rainy days | 6 | 10 | 12 | 21 | 24 | 24 | 24 | 25 | 29 | 22 | 19 | 10 |
| Snow days | 18 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 13 |
The best time to visit Hareyama during the most sunny months:
The largest precipitation sum in Hareyama is at