Average annual temperature is 9.4 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -14.4 °C
Number of sunny days: 73 days
Number of rainy days: 230 days
Number of snow days: 62 days
Look at detailed online map of Aonisawa
* Weather data for Aonisawa 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) | 6.4 | 6.1 | 14.9 | 18.5 | 23.3 | 25.9 | 29.3 | 33.1 | 28.9 | 19.7 | 19.2 | 11.0 |
| Average daytime temperature (°C) | -2.6 | -1.5 | 6.9 | 11.6 | 16.1 | 21.4 | 24.8 | 29.0 | 23.8 | 15.0 | 8.6 | 1.0 |
| Average temperature (°C) | -5.0 | -3.7 | 2.7 | 7.0 | 11.6 | 17.4 | 21.4 | 25.2 | 19.9 | 11.2 | 5.2 | -1.6 |
| Average night temperature (°C) | -7.1 | -5.8 | -0.5 | 3.6 | 8.2 | 14.6 | 18.9 | 22.7 | 17.4 | 8.5 | 2.6 | -4.3 |
| Absolute minimum temperature (°C) | -14.4 | -11.8 | -5.0 | -3.5 | 0.4 | 9.6 | 14.2 | 20.4 | 10.5 | 2.2 | -6.3 | -9.9 |
| 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 | 9.3 |
| 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) | 5.0 | 5.7 | 8.1 | 8.4 | 9.6 | 8.3 | 9.4 | 11.2 | 7.8 | 8.2 | 5.1 | 4.7 |
| Precipitation (mm) | 123 | 148 | 91 | 174 | 138 | 147 | 266 | 103 | 141 | 178 | 231 | 129 |
| Sunny days | 2 | 0 | 15 | 8 | 9 | 8 | 5 | 3 | 6 | 10 | 6 | 1 |
| Rainy days | 12 | 8 | 14 | 20 | 22 | 22 | 26 | 28 | 24 | 21 | 20 | 13 |
| Snow days | 17 | 20 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 17 |
The best time to visit Aonisawa during the most sunny months:
The largest precipitation sum in Aonisawa is at