Average annual temperature is 7.8 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -20.9 °C
Number of sunny days: 125 days
Number of rainy days: 186 days
Number of snow days: 54 days
Look at detailed online map of Heison-shiku
* Weather data for Heison-shiku 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) | 4.0 | 6.1 | 15.7 | 20.2 | 26.4 | 29.6 | 32.7 | 34.0 | 28.9 | 23.2 | 18.2 | 10.3 |
| Average daytime temperature (°C) | -5.1 | -3.5 | 6.3 | 12.1 | 17.9 | 22.7 | 26.0 | 27.5 | 23.4 | 15.6 | 8.9 | -0.1 |
| Average temperature (°C) | -10.5 | -7.9 | 1.0 | 6.7 | 11.7 | 17.5 | 21.3 | 23.3 | 19.1 | 10.8 | 4.6 | -4.9 |
| Average night temperature (°C) | -15.2 | -12.0 | -3.7 | 2.5 | 6.6 | 13.0 | 17.6 | 20.3 | 15.6 | 7.0 | 0.8 | -9.2 |
| Absolute minimum temperature (°C) | -20.9 | -18.9 | -11.5 | -4.1 | -0.6 | 6.2 | 12.3 | 14.3 | 8.9 | 0.4 | -8.8 | -19.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 6.6 | 6.6 | 7.6 | 8.1 | 10.2 | 9.8 | 8.6 | 8.4 | 7.5 | 7.3 | 5.9 | 5.7 |
| Precipitation (mm) | 21 | 45 | 45 | 112 | 52 | 122 | 100 | 104 | 143 | 107 | 75 | 42 |
| Sunny days | 14 | 7 | 19 | 9 | 11 | 8 | 6 | 7 | 7 | 11 | 13 | 13 |
| Rainy days | 1 | 4 | 10 | 20 | 20 | 22 | 25 | 24 | 23 | 20 | 12 | 5 |
| Snow days | 16 | 17 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 13 |
The best time to visit Heison-shiku during the most sunny months:
Months with the longest average daylight duration in Heison-shiku:
The largest precipitation sum in Heison-shiku is at