Average annual temperature is 7.0 °C
Absolute maximum temperature: 27.8 °C
Absolute minimum temperature: -25.4 °C
Number of sunny days: 167 days
Number of rainy days: 173 days
Number of snow days: 25 days
Look at detailed online map of Hyŏl-tong
* Weather data for Hyŏl-tong 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) | 8.3 | 7.8 | 15.1 | 17.1 | 22.8 | 25.6 | 27.6 | 27.8 | 23.8 | 15.8 | 17.6 | 9.7 |
| Average daytime temperature (°C) | -4.3 | 0.9 | 8.2 | 10.5 | 15.7 | 20.2 | 23.4 | 23.5 | 19.4 | 12.5 | 5.1 | -1.6 |
| Average temperature (°C) | -8.4 | -3.7 | 3.0 | 5.8 | 11.6 | 16.1 | 19.9 | 20.0 | 15.9 | 8.3 | 0.5 | -5.1 |
| Average night temperature (°C) | -12.8 | -6.8 | -1.2 | 1.8 | 7.6 | 12.7 | 17.4 | 17.3 | 13.2 | 4.9 | -3.3 | -8.0 |
| Absolute minimum temperature (°C) | -25.4 | -12.2 | -11.5 | -5.4 | 0.7 | 9.1 | 14.2 | 13.1 | 8.0 | -1.7 | -14.2 | -21.2 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 7.4 | 7.8 | 9.2 | 8.7 | 9.1 | 10.2 | 8.0 | 8.8 | 7.4 | 8.6 | 7.6 | 6.2 |
| Precipitation (mm) | 40 | 13 | 29 | 116 | 151 | 184 | 386 | 266 | 226 | 21 | 65 | 121 |
| Sunny days | 17 | 19 | 24 | 11 | 14 | 8 | 6 | 5 | 9 | 18 | 18 | 18 |
| Rainy days | 3 | 1 | 6 | 18 | 17 | 22 | 25 | 26 | 21 | 13 | 12 | 9 |
| Snow days | 11 | 8 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Hyŏl-tong is at