Average annual temperature is 15.5 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -6.6 °C
Number of sunny days: 99 days
Number of rainy days: 250 days
Number of snow days: 16 days
Look at detailed online map of Iidamachi
* Weather data for Iidamachi 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) | 16.6 | 13.7 | 22.5 | 24.6 | 30.3 | 30.3 | 35.2 | 37.2 | 33.3 | 25.5 | 25.9 | 19.0 |
| Average daytime temperature (°C) | 6.1 | 6.6 | 13.6 | 16.4 | 20.9 | 25.8 | 30.6 | 33.9 | 28.4 | 20.4 | 15.6 | 9.5 |
| Average temperature (°C) | 3.6 | 4.0 | 9.1 | 12.4 | 16.6 | 21.7 | 26.4 | 29.4 | 25.0 | 17.0 | 12.5 | 6.8 |
| Average night temperature (°C) | 1.7 | 1.5 | 5.4 | 9.1 | 13.2 | 18.6 | 22.9 | 25.9 | 22.6 | 14.4 | 9.8 | 4.5 |
| Absolute minimum temperature (°C) | -6.6 | -1.8 | -0.6 | 5.1 | 7.7 | 15.7 | 19.8 | 23.6 | 17.7 | 9.3 | 3.4 | -2.5 |
| 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) | 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) | 5.0 | 5.7 | 8.6 | 8.4 | 8.8 | 8.9 | 9.8 | 11.3 | 7.5 | 8.5 | 6.4 | 4.1 |
| Precipitation (mm) | 156 | 113 | 99 | 146 | 199 | 194 | 189 | 87 | 216 | 99 | 158 | 205 |
| Sunny days | 2 | 5 | 16 | 13 | 15 | 7 | 7 | 10 | 5 | 8 | 6 | 5 |
| Rainy days | 23 | 14 | 15 | 17 | 16 | 23 | 24 | 21 | 25 | 23 | 24 | 25 |
| Snow days | 6 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Iidamachi during the most sunny months:
The largest precipitation sum in Iidamachi is at