Average annual temperature is 11.4 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -20.5 °C
Number of sunny days: 181 days
Number of rainy days: 170 days
Number of snow days: 14 days
Look at detailed online map of Hŏriwŏn
* Weather data for Hŏriwŏn South Korea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.0 | 10.3 | 22.2 | 24.4 | 28.8 | 32.7 | 32.2 | 33.3 | 29.3 | 20.8 | 21.9 | 14.3 |
| Average daytime temperature (°C) | 0.5 | 5.2 | 13.5 | 16.6 | 22.2 | 25.9 | 28.5 | 28.8 | 25.0 | 17.4 | 8.3 | 2.5 |
| Average temperature (°C) | -3.9 | -0.1 | 7.1 | 10.8 | 16.6 | 20.9 | 24.3 | 24.5 | 20.7 | 12.5 | 3.7 | -1.3 |
| Average night temperature (°C) | -8.0 | -3.5 | 1.9 | 6.0 | 11.7 | 16.4 | 21.1 | 21.1 | 17.2 | 8.4 | -0.4 | -4.6 |
| Absolute minimum temperature (°C) | -20.5 | -8.0 | -5.9 | -0.9 | 4.2 | 12.5 | 17.3 | 16.4 | 11.5 | 3.4 | -9.7 | -16.8 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.2 | 8.2 | 9.0 | 7.4 | 9.1 | 9.5 | 8.0 | 8.3 | 7.2 | 7.8 | 7.0 | 6.0 |
| Precipitation (mm) | 47 | 2 | 19 | 114 | 134 | 199 | 328 | 385 | 170 | 23 | 99 | 81 |
| Sunny days | 20 | 24 | 20 | 14 | 18 | 8 | 7 | 7 | 8 | 20 | 15 | 20 |
| Rainy days | 3 | 1 | 11 | 16 | 13 | 22 | 24 | 24 | 22 | 11 | 13 | 10 |
| Snow days | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The largest precipitation sum in Hŏriwŏn is at