Average annual temperature is 11.0 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -14.6 °C
Number of sunny days: 73 days
Number of rainy days: 241 days
Number of snow days: 51 days
Look at detailed online map of Itakoishi
* Weather data for Itakoishi 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) | 9.4 | 8.5 | 20.4 | 20.4 | 25.1 | 28.1 | 30.9 | 34.8 | 31.1 | 22.0 | 22.4 | 12.1 |
| Average daytime temperature (°C) | 0.6 | 1.7 | 11.1 | 14.0 | 18.6 | 23.5 | 26.4 | 31.7 | 26.2 | 17.5 | 11.1 | 3.4 |
| Average temperature (°C) | -3.3 | -2.0 | 4.9 | 9.1 | 13.2 | 19.1 | 22.9 | 26.8 | 21.4 | 12.5 | 7.2 | -0.3 |
| Average night temperature (°C) | -7.0 | -6.1 | -0.3 | 4.9 | 8.8 | 15.7 | 20.0 | 23.0 | 18.2 | 8.6 | 4.0 | -3.8 |
| Absolute minimum temperature (°C) | -14.6 | -13.1 | -11.8 | -1.8 | 1.4 | 9.9 | 14.8 | 20.7 | 10.2 | 2.3 | -7.7 | -13.7 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 5.5 | 5.6 | 8.4 | 8.6 | 9.3 | 7.6 | 8.0 | 11.3 | 7.6 | 8.2 | 5.3 | 4.3 |
| Precipitation (mm) | 74 | 73 | 90 | 174 | 180 | 189 | 372 | 88 | 229 | 158 | 238 | 104 |
| Sunny days | 2 | 2 | 14 | 9 | 11 | 5 | 5 | 8 | 3 | 7 | 4 | 3 |
| Rainy days | 10 | 9 | 16 | 21 | 20 | 25 | 26 | 23 | 27 | 24 | 23 | 17 |
| Snow days | 19 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 11 |
The best time to visit Itakoishi during the most sunny months:
The largest precipitation sum in Itakoishi is at