Average annual temperature is 12.4 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -9.7 °C
Number of sunny days: 77 days
Number of rainy days: 256 days
Number of snow days: 32 days
Look at detailed online map of Aratokō
* Weather data for Aratokō 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) | 10.4 | 10.0 | 19.6 | 23.3 | 28.8 | 27.7 | 33.6 | 37.0 | 34.8 | 23.8 | 22.9 | 14.5 |
| Average daytime temperature (°C) | 2.3 | 3.0 | 11.8 | 16.0 | 19.7 | 23.9 | 28.5 | 32.8 | 27.5 | 18.1 | 12.8 | 6.8 |
| Average temperature (°C) | -1.1 | -0.3 | 6.4 | 10.5 | 14.5 | 19.7 | 24.0 | 27.4 | 22.9 | 13.3 | 8.4 | 2.9 |
| Average night temperature (°C) | -4.3 | -3.7 | 1.9 | 6.0 | 9.8 | 16.2 | 20.0 | 23.1 | 19.7 | 9.5 | 4.9 | 0.1 |
| Absolute minimum temperature (°C) | -9.7 | -8.6 | -5.1 | -0.7 | 1.5 | 12.0 | 15.2 | 20.4 | 12.5 | 5.6 | -4.1 | -4.4 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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) | 4.2 | 5.9 | 8.5 | 8.9 | 8.6 | 7.9 | 9.5 | 11.9 | 7.9 | 8.2 | 6.3 | 3.8 |
| Precipitation (mm) | 98 | 121 | 70 | 89 | 177 | 205 | 163 | 62 | 215 | 102 | 181 | 173 |
| Sunny days | 0 | 5 | 17 | 15 | 10 | 3 | 3 | 6 | 5 | 4 | 7 | 2 |
| Rainy days | 16 | 13 | 13 | 15 | 21 | 27 | 28 | 25 | 25 | 27 | 23 | 23 |
| Snow days | 15 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The best time to visit Aratokō during the most sunny months:
The largest precipitation sum in Aratokō is at