Average annual temperature is 16.9 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 164 days
Number of rainy days: 201 days
Look at detailed online map of Aikawa
* Weather data for Aikawa 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) | 15.4 | 16.8 | 24.5 | 23.6 | 26.8 | 31.8 | 33.7 | 33.9 | 31.5 | 29.9 | 24.1 | 20.5 |
| Average daytime temperature (°C) | 10.8 | 12.4 | 16.6 | 19.1 | 21.8 | 25.4 | 30.1 | 30.5 | 28.9 | 22.7 | 18.2 | 13.7 |
| Average temperature (°C) | 6.2 | 8.0 | 12.2 | 15.0 | 18.1 | 22.1 | 26.6 | 27.0 | 25.5 | 18.1 | 14.0 | 9.1 |
| Average night temperature (°C) | 2.5 | 3.8 | 8.0 | 11.0 | 14.4 | 19.0 | 23.1 | 24.1 | 22.6 | 14.1 | 10.7 | 5.3 |
| Absolute minimum temperature (°C) | -4.4 | -2.7 | 0.8 | 4.9 | 8.8 | 14.9 | 19.5 | 22.4 | 18.4 | 9.9 | 4.6 | 0.0 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.2 | 7.7 | 8.6 | 8.9 | 7.5 | 10.6 | 10.5 | 9.7 | 9.0 | 7.7 | 7.6 |
| Precipitation (mm) | 36 | 82 | 190 | 250 | 259 | 511 | 73 | 318 | 211 | 188 | 103 | 105 |
| Sunny days | 19 | 10 | 14 | 15 | 12 | 10 | 18 | 8 | 6 | 13 | 19 | 20 |
| Rainy days | 12 | 18 | 17 | 15 | 19 | 20 | 13 | 23 | 24 | 18 | 11 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Aikawa is at