Average annual temperature is 9.9 °C
Absolute maximum temperature: 28.8 °C
Absolute minimum temperature: -12.6 °C
Number of sunny days: 129 days
Number of rainy days: 197 days
Number of snow days: 39 days
Look at detailed online map of Horoizumi
* Weather data for Horoizumi 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) | 7.5 | 5.3 | 12.1 | 13.3 | 19.3 | 23.2 | 27.2 | 28.8 | 27.0 | 21.7 | 18.0 | 12.0 |
| Average daytime temperature (°C) | -0.3 | -0.3 | 6.1 | 9.8 | 13.7 | 18.1 | 23.1 | 25.3 | 23.0 | 16.0 | 10.3 | 2.9 |
| Average temperature (°C) | -3.3 | -2.5 | 3.5 | 7.4 | 10.9 | 16.1 | 20.7 | 23.5 | 20.7 | 13.4 | 7.7 | 0.3 |
| Average night temperature (°C) | -6.0 | -5.2 | 0.9 | 5.1 | 8.6 | 14.3 | 18.6 | 21.7 | 18.5 | 10.7 | 4.9 | -2.3 |
| Absolute minimum temperature (°C) | -12.6 | -9.9 | -3.8 | 0.1 | 3.0 | 9.0 | 13.8 | 17.0 | 13.4 | 5.2 | -4.1 | -7.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 13.0 | 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 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 8.2 | 8.9 | 8.3 | 9.7 | 8.0 | 10.0 | 9.2 | 7.4 | 8.6 | 6.4 | 6.3 |
| Precipitation (mm) | 49 | 46 | 116 | 169 | 70 | 91 | 65 | 208 | 218 | 136 | 169 | 63 |
| Sunny days | 14 | 11 | 17 | 9 | 14 | 10 | 17 | 1 | 6 | 11 | 6 | 13 |
| Rainy days | 4 | 7 | 12 | 21 | 17 | 20 | 14 | 30 | 24 | 20 | 21 | 7 |
| Snow days | 13 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 11 |
The largest precipitation sum in Horoizumi is at