Average annual temperature is 14.2 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -11.5 °C
Number of sunny days: 136 days
Number of rainy days: 221 days
Number of snow days: 8 days
Look at detailed online map of Harichō
* Weather data for Harichō 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) | 15.9 | 14.4 | 22.4 | 23.0 | 26.9 | 28.6 | 33.3 | 34.3 | 31.4 | 23.3 | 24.2 | 19.7 |
| Average daytime temperature (°C) | 6.4 | 7.6 | 14.7 | 17.7 | 21.3 | 24.2 | 30.0 | 30.7 | 28.5 | 19.6 | 15.1 | 10.0 |
| Average temperature (°C) | 2.2 | 3.2 | 9.2 | 12.4 | 16.5 | 20.5 | 25.4 | 26.3 | 23.9 | 14.9 | 10.4 | 5.4 |
| Average night temperature (°C) | -1.6 | -0.8 | 4.1 | 7.6 | 12.1 | 17.2 | 21.7 | 23.1 | 20.3 | 10.8 | 6.5 | 1.5 |
| Absolute minimum temperature (°C) | -11.5 | -4.9 | -3.2 | 2.0 | 5.2 | 11.2 | 18.3 | 21.3 | 16.2 | 6.4 | -0.9 | -4.0 |
| 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 | 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 | 6.1 | 8.4 | 8.1 | 9.2 | 6.8 | 10.3 | 9.8 | 10.0 | 8.6 | 7.3 | 7.1 |
| Precipitation (mm) | 63 | 55 | 117 | 168 | 223 | 455 | 84 | 235 | 108 | 69 | 102 | 70 |
| Sunny days | 5 | 11 | 17 | 14 | 14 | 8 | 7 | 6 | 9 | 15 | 13 | 17 |
| Rainy days | 22 | 13 | 14 | 16 | 17 | 22 | 24 | 25 | 21 | 16 | 17 | 14 |
| Snow days | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Harichō during the most sunny months:
The largest precipitation sum in Harichō is at