Average annual temperature is 11.8 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -14.8 °C
Number of sunny days: 99 days
Number of rainy days: 246 days
Number of snow days: 20 days
Look at detailed online map of Aigawa
* Weather data for Aigawa 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) | 9.8 | 13.2 | 20.1 | 25.3 | 28.6 | 28.3 | 31.0 | 31.9 | 31.9 | 22.5 | 22.2 | 18.4 |
| Average daytime temperature (°C) | 3.6 | 4.8 | 13.1 | 16.7 | 20.0 | 23.0 | 28.1 | 30.1 | 26.8 | 17.6 | 13.8 | 7.9 |
| Average temperature (°C) | -1.2 | 0.3 | 6.5 | 10.2 | 14.2 | 18.4 | 23.2 | 24.7 | 21.7 | 12.1 | 7.9 | 2.6 |
| Average night temperature (°C) | -5.6 | -3.5 | 1.5 | 5.0 | 9.2 | 14.5 | 18.7 | 20.2 | 17.7 | 7.7 | 3.9 | -1.9 |
| Absolute minimum temperature (°C) | -14.8 | -10.7 | -5.3 | -0.4 | 2.5 | 7.6 | 13.6 | 17.7 | 11.7 | 2.4 | -4.3 | -10.1 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 6.2 | 6.8 | 8.6 | 8.4 | 9.0 | 8.2 | 9.5 | 11.2 | 8.9 | 8.7 | 7.0 | 5.5 |
| Precipitation (mm) | 208 | 138 | 156 | 199 | 261 | 319 | 180 | 62 | 189 | 110 | 233 | 262 |
| Sunny days | 9 | 10 | 9 | 13 | 14 | 5 | 4 | 5 | 4 | 8 | 12 | 6 |
| Rainy days | 12 | 11 | 21 | 17 | 17 | 25 | 27 | 26 | 26 | 23 | 18 | 23 |
| Snow days | 10 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Aigawa during the most sunny months:
The largest precipitation sum in Aigawa is at