Average annual temperature is 13.7 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -7.6 °C
Number of sunny days: 80 days
Number of rainy days: 252 days
Number of snow days: 33 days
Look at detailed online map of Innai
* Weather data for Innai 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) | 10.6 | 9.2 | 21.4 | 20.1 | 24.7 | 26.7 | 30.8 | 35.7 | 32.4 | 22.7 | 25.0 | 15.1 |
| Average daytime temperature (°C) | 3.1 | 3.2 | 10.5 | 14.1 | 18.2 | 22.9 | 26.8 | 32.2 | 27.0 | 18.8 | 13.6 | 7.1 |
| Average temperature (°C) | 1.2 | 1.6 | 7.1 | 10.8 | 14.9 | 20.2 | 24.4 | 28.6 | 23.7 | 15.6 | 10.9 | 4.8 |
| Average night temperature (°C) | -0.7 | -0.1 | 4.1 | 8.1 | 12.0 | 17.8 | 22.1 | 25.4 | 21.0 | 13.0 | 8.1 | 2.6 |
| Absolute minimum temperature (°C) | -7.6 | -4.1 | -3.7 | 1.4 | 3.9 | 13.9 | 17.9 | 23.1 | 14.7 | 7.5 | 0.7 | -3.1 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.0 | 9.5 |
| 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) | 4.4 | 5.4 | 8.2 | 8.3 | 8.9 | 8.1 | 9.3 | 11.9 | 7.8 | 7.7 | 5.3 | 3.5 |
| Precipitation (mm) | 240 | 189 | 129 | 184 | 193 | 185 | 264 | 67 | 244 | 361 | 429 | 256 |
| Sunny days | 0 | 4 | 14 | 10 | 11 | 8 | 9 | 8 | 2 | 6 | 6 | 2 |
| Rainy days | 16 | 12 | 17 | 20 | 20 | 22 | 22 | 23 | 28 | 25 | 24 | 23 |
| Snow days | 15 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The best time to visit Innai during the most sunny months:
The largest precipitation sum in Innai is at