Average annual temperature is 11.8 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: -10.5 °C
Number of sunny days: 114 days
Number of rainy days: 239 days
Number of snow days: 12 days
Look at detailed online map of Ikawa
* Weather data for Ikawa 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) | 12.6 | 12.9 | 21.8 | 22.1 | 27.3 | 27.2 | 30.7 | 28.4 | 27.7 | 25.0 | 20.6 | 17.2 |
| Average daytime temperature (°C) | 5.3 | 7.1 | 12.5 | 15.2 | 18.3 | 21.7 | 26.3 | 25.9 | 24.8 | 17.5 | 13.2 | 8.6 |
| Average temperature (°C) | 0.4 | 1.8 | 7.5 | 10.3 | 13.7 | 17.9 | 22.0 | 22.1 | 20.7 | 12.5 | 8.7 | 3.8 |
| Average night temperature (°C) | -3.4 | -2.5 | 3.3 | 6.2 | 10.0 | 14.8 | 18.5 | 19.3 | 17.6 | 8.5 | 5.1 | 0.1 |
| Absolute minimum temperature (°C) | -10.5 | -8.5 | -3.0 | 0.9 | 3.2 | 11.0 | 15.7 | 17.2 | 10.6 | 4.3 | -0.9 | -6.8 |
| 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 7.3 | 8.0 | 8.3 | 8.4 | 6.6 | 9.9 | 10.1 | 9.6 | 8.9 | 7.5 | 7.3 |
| Precipitation (mm) | 44 | 120 | 223 | 289 | 446 | 630 | 139 | 331 | 188 | 157 | 173 | 124 |
| Sunny days | 17 | 11 | 9 | 10 | 9 | 3 | 5 | 3 | 6 | 11 | 13 | 17 |
| Rainy days | 9 | 14 | 20 | 20 | 22 | 27 | 26 | 28 | 24 | 20 | 17 | 12 |
| Snow days | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Ikawa is at