Average annual temperature is 11.0 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 97 days
Number of rainy days: 213 days
Number of snow days: 55 days
Look at detailed online map of Hainai
* Weather data for Hainai 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) | 10.1 | 7.9 | 19.1 | 21.6 | 26.1 | 28.1 | 31.3 | 33.6 | 30.6 | 21.7 | 21.7 | 13.7 |
| Average daytime temperature (°C) | -0.3 | 0.8 | 10.5 | 14.0 | 18.1 | 23.0 | 26.7 | 30.5 | 25.3 | 17.2 | 10.9 | 3.2 |
| Average temperature (°C) | -3.2 | -2.0 | 5.1 | 9.1 | 13.0 | 18.6 | 23.1 | 26.1 | 21.1 | 12.9 | 7.3 | 0.1 |
| Average night temperature (°C) | -5.7 | -4.9 | 1.3 | 5.7 | 9.4 | 15.7 | 20.4 | 23.1 | 18.3 | 10.0 | 4.4 | -2.5 |
| Absolute minimum temperature (°C) | -13.5 | -11.4 | -5.7 | -0.1 | 1.4 | 11.3 | 16.0 | 20.6 | 11.9 | 4.2 | -4.3 | -7.8 |
| 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 | 9.3 |
| 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) | 6.1 | 6.3 | 8.4 | 9.0 | 9.2 | 8.1 | 9.2 | 10.6 | 7.9 | 8.5 | 5.8 | 5.0 |
| Precipitation (mm) | 55 | 64 | 73 | 102 | 117 | 136 | 181 | 115 | 183 | 103 | 135 | 96 |
| Sunny days | 6 | 3 | 19 | 10 | 12 | 7 | 5 | 5 | 5 | 10 | 7 | 8 |
| Rainy days | 3 | 10 | 10 | 20 | 19 | 23 | 26 | 26 | 25 | 21 | 20 | 10 |
| Snow days | 22 | 15 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 13 |
The best time to visit Hainai during the most sunny months:
The largest precipitation sum in Hainai is at