Average annual temperature is 8.9 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -20.6 °C
Number of sunny days: 100 days
Number of rainy days: 207 days
Number of snow days: 58 days
Look at detailed online map of Horonai
* Weather data for Horonai 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) | 8.5 | 7.4 | 14.7 | 15.8 | 22.2 | 25.6 | 29.8 | 31.9 | 27.6 | 22.6 | 18.4 | 11.6 |
| Average daytime temperature (°C) | -2.9 | -1.1 | 7.3 | 11.7 | 16.5 | 21.1 | 25.3 | 28.3 | 23.4 | 15.9 | 9.1 | 1.3 |
| Average temperature (°C) | -7.8 | -5.1 | 2.6 | 7.3 | 11.6 | 16.9 | 21.5 | 24.6 | 19.7 | 11.6 | 5.1 | -2.4 |
| Average night temperature (°C) | -12.8 | -9.5 | -1.3 | 3.8 | 7.6 | 13.7 | 18.7 | 22.1 | 16.6 | 8.1 | 1.5 | -5.7 |
| Absolute minimum temperature (°C) | -20.6 | -16.4 | -9.8 | -1.6 | 1.9 | 5.6 | 14.3 | 17.9 | 9.5 | 0.1 | -8.2 | -12.9 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.6 | 8.4 | 8.1 | 9.9 | 8.8 | 9.9 | 9.2 | 7.3 | 8.0 | 6.5 | 5.9 |
| Precipitation (mm) | 31 | 46 | 92 | 138 | 64 | 168 | 123 | 195 | 264 | 105 | 147 | 44 |
| Sunny days | 14 | 5 | 12 | 8 | 11 | 10 | 4 | 2 | 6 | 12 | 6 | 10 |
| Rainy days | 2 | 2 | 15 | 22 | 20 | 20 | 27 | 29 | 24 | 19 | 19 | 8 |
| Snow days | 15 | 21 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 13 |
Months with the longest average daylight duration in Horonai:
The largest precipitation sum in Horonai is at