Average annual temperature is 18.0 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -3.3 °C
Number of sunny days: 158 days
Number of rainy days: 207 days
Look at detailed online map of Iikuma
* Weather data for Iikuma 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) | 22.1 | 21.1 | 23.8 | 25.0 | 30.7 | 31.7 | 32.8 | 35.2 | 33.9 | 28.0 | 27.9 | 24.3 |
| Average daytime temperature (°C) | 13.2 | 15.5 | 19.0 | 21.1 | 24.8 | 26.8 | 30.8 | 30.3 | 30.6 | 24.3 | 20.2 | 15.3 |
| Average temperature (°C) | 7.7 | 10.2 | 13.7 | 16.7 | 20.1 | 23.1 | 27.2 | 26.8 | 26.2 | 18.8 | 14.5 | 9.9 |
| Average night temperature (°C) | 3.2 | 5.9 | 9.2 | 12.5 | 16.1 | 19.9 | 24.4 | 24.1 | 22.8 | 14.4 | 10.2 | 5.5 |
| Absolute minimum temperature (°C) | -3.3 | 0.6 | 1.8 | 3.3 | 9.3 | 15.7 | 22.0 | 22.7 | 20.7 | 8.5 | 2.7 | -2.1 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.6 | 7.0 | 7.9 | 7.9 | 9.1 | 5.9 | 9.6 | 8.5 | 10.5 | 8.3 | 8.7 | 7.4 |
| Precipitation (mm) | 79 | 151 | 214 | 221 | 206 | 487 | 224 | 480 | 42 | 108 | 31 | 97 |
| Sunny days | 22 | 17 | 16 | 13 | 13 | 6 | 1 | 4 | 4 | 22 | 18 | 22 |
| Rainy days | 9 | 11 | 15 | 17 | 18 | 24 | 30 | 27 | 26 | 9 | 12 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Iikuma during the most sunny months:
The largest precipitation sum in Iikuma is at