Average annual temperature is 12.7 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -9.8 °C
Number of sunny days: 135 days
Number of rainy days: 215 days
Number of snow days: 15 days
Look at detailed online map of Igu-gun
* Weather data for Igu-gun 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) | 13.6 | 14.2 | 19.1 | 22.6 | 30.3 | 29.0 | 33.4 | 34.1 | 33.5 | 24.7 | 23.8 | 16.6 |
| Average daytime temperature (°C) | 3.7 | 4.7 | 11.9 | 16.3 | 19.1 | 23.4 | 28.6 | 30.9 | 26.5 | 18.7 | 13.7 | 7.8 |
| Average temperature (°C) | -0.1 | 0.4 | 6.7 | 11.0 | 14.5 | 19.3 | 24.4 | 26.4 | 22.5 | 13.8 | 8.9 | 3.3 |
| Average night temperature (°C) | -3.0 | -2.7 | 2.9 | 7.0 | 10.7 | 16.3 | 21.0 | 23.1 | 19.7 | 10.3 | 5.5 | 0.2 |
| Absolute minimum temperature (°C) | -9.8 | -7.3 | -3.8 | 1.2 | 4.3 | 12.7 | 16.3 | 21.7 | 12.7 | 6.9 | -0.9 | -6.4 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 6.8 | 7.5 | 8.2 | 8.6 | 8.4 | 7.4 | 10.0 | 11.7 | 7.5 | 8.7 | 6.8 | 7.3 |
| Precipitation (mm) | 27 | 54 | 86 | 64 | 182 | 279 | 117 | 120 | 277 | 83 | 96 | 46 |
| Sunny days | 14 | 14 | 18 | 16 | 14 | 6 | 7 | 5 | 2 | 11 | 13 | 15 |
| Rainy days | 9 | 10 | 13 | 14 | 17 | 24 | 24 | 26 | 28 | 20 | 17 | 13 |
| Snow days | 8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Igu-gun during the most sunny months:
The largest precipitation sum in Igu-gun is at