Average annual temperature is 12.7 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -10.7 °C
Number of sunny days: 97 days
Number of rainy days: 239 days
Number of snow days: 29 days
Look at detailed online map of Aone-onsen
* Weather data for Aone-onsen 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) | 13.5 | 12.1 | 18.5 | 21.9 | 29.7 | 28.1 | 32.7 | 32.3 | 30.9 | 24.8 | 23.5 | 15.6 |
| Average daytime temperature (°C) | 2.6 | 3.3 | 11.8 | 16.2 | 19.4 | 23.2 | 28.3 | 29.9 | 26.1 | 18.3 | 13.3 | 7.6 |
| Average temperature (°C) | -0.6 | -0.3 | 6.8 | 10.8 | 14.7 | 19.5 | 24.4 | 25.9 | 22.5 | 14.2 | 9.2 | 3.8 |
| Average night temperature (°C) | -3.5 | -3.6 | 2.9 | 6.7 | 10.8 | 16.6 | 21.2 | 22.9 | 20.0 | 11.0 | 6.0 | 0.9 |
| Absolute minimum temperature (°C) | -10.7 | -8.3 | -3.7 | 0.7 | 3.9 | 13.2 | 17.6 | 20.8 | 14.6 | 5.0 | -2.6 | -4.5 |
| 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) | 5.0 | 6.5 | 8.0 | 8.8 | 8.2 | 7.2 | 9.3 | 11.2 | 7.3 | 8.6 | 6.4 | 5.2 |
| Precipitation (mm) | 60 | 89 | 95 | 80 | 178 | 268 | 151 | 139 | 390 | 100 | 105 | 90 |
| Sunny days | 7 | 11 | 11 | 18 | 10 | 6 | 2 | 4 | 2 | 9 | 11 | 6 |
| Rainy days | 11 | 9 | 18 | 12 | 21 | 24 | 29 | 27 | 28 | 22 | 19 | 19 |
| Snow days | 13 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The best time to visit Aone-onsen during the most sunny months:
The largest precipitation sum in Aone-onsen is at