Average annual temperature is 9.1 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -19.6 °C
Number of sunny days: 163 days
Number of rainy days: 170 days
Number of snow days: 32 days
Look at detailed online map of Aiboshima
* Weather data for Aiboshima 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) | 7.4 | 7.2 | 14.6 | 18.1 | 24.4 | 25.8 | 33.7 | 32.6 | 28.2 | 23.1 | 19.1 | 12.3 |
| Average daytime temperature (°C) | -1.3 | -0.3 | 7.5 | 11.8 | 15.7 | 19.0 | 23.8 | 25.5 | 23.1 | 16.3 | 10.8 | 2.9 |
| Average temperature (°C) | -6.0 | -4.2 | 3.0 | 7.8 | 11.0 | 15.4 | 20.5 | 22.7 | 20.0 | 12.3 | 7.3 | -0.9 |
| Average night temperature (°C) | -10.4 | -9.5 | -1.5 | 4.2 | 7.4 | 12.6 | 17.7 | 20.4 | 17.2 | 8.8 | 3.9 | -4.2 |
| Absolute minimum temperature (°C) | -19.6 | -18.6 | -12.6 | -2.7 | 2.2 | 7.8 | 13.5 | 16.1 | 10.3 | 3.1 | -5.2 | -10.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.3 | 8.4 | 8.2 | 8.9 | 8.8 | 9.1 | 7.2 | 7.0 | 8.2 | 6.8 | 6.3 |
| Precipitation (mm) | 37 | 52 | 85 | 172 | 65 | 71 | 55 | 116 | 166 | 103 | 147 | 49 |
| Sunny days | 17 | 11 | 18 | 11 | 11 | 12 | 17 | 8 | 8 | 17 | 15 | 18 |
| Rainy days | 2 | 6 | 10 | 19 | 20 | 18 | 14 | 23 | 22 | 14 | 15 | 7 |
| Snow days | 12 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The largest precipitation sum in Aiboshima is at