Average annual temperature is 9.2 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: -15.0 °C
Number of sunny days: 119 days
Number of rainy days: 209 days
Number of snow days: 37 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) | 6.3 | 7.2 | 11.7 | 14.8 | 20.6 | 24.1 | 29.7 | 29.7 | 27.1 | 21.9 | 18.8 | 11.1 |
| Average daytime temperature (°C) | -1.9 | -0.4 | 6.1 | 10.4 | 14.7 | 18.0 | 23.7 | 26.5 | 22.9 | 16.0 | 9.7 | 2.1 |
| Average temperature (°C) | -5.0 | -3.5 | 2.4 | 6.9 | 10.8 | 15.3 | 20.8 | 24.0 | 20.0 | 12.5 | 6.2 | -1.1 |
| Average night temperature (°C) | -9.1 | -7.6 | -0.9 | 4.0 | 7.4 | 13.0 | 18.3 | 21.9 | 17.4 | 9.3 | 2.7 | -3.9 |
| Absolute minimum temperature (°C) | -15.0 | -13.9 | -9.4 | -0.4 | 3.4 | 7.5 | 14.6 | 19.5 | 11.2 | 4.2 | -5.5 | -8.6 |
| 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) | 9.5 | 10.6 | 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) | 7.0 | 7.3 | 8.2 | 8.4 | 9.3 | 7.5 | 8.7 | 8.1 | 6.6 | 7.9 | 6.7 | 5.9 |
| Precipitation (mm) | 36 | 38 | 73 | 127 | 74 | 188 | 127 | 149 | 297 | 88 | 141 | 39 |
| Sunny days | 17 | 9 | 14 | 9 | 11 | 8 | 6 | 4 | 3 | 9 | 14 | 15 |
| Rainy days | 3 | 5 | 15 | 21 | 20 | 22 | 25 | 27 | 27 | 22 | 15 | 7 |
| Snow days | 11 | 14 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 |
Months with the longest average daylight duration in Horonai:
The largest precipitation sum in Horonai is at