Average annual temperature is 12.4 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 183 days
Number of rainy days: 173 days
Number of snow days: 9 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) | 13.5 | 12.4 | 22.0 | 24.3 | 32.0 | 31.8 | 32.8 | 33.4 | 28.6 | 20.6 | 22.8 | 16.0 |
| Average daytime temperature (°C) | 2.3 | 6.5 | 15.0 | 17.0 | 22.0 | 26.8 | 28.3 | 29.0 | 24.7 | 18.0 | 10.2 | 4.5 |
| Average temperature (°C) | -1.9 | 1.3 | 8.8 | 11.5 | 16.9 | 21.4 | 24.4 | 25.1 | 21.0 | 13.4 | 5.7 | 0.7 |
| Average night temperature (°C) | -5.6 | -2.7 | 3.5 | 6.6 | 12.4 | 17.2 | 21.5 | 22.1 | 18.0 | 9.5 | 1.2 | -2.5 |
| Absolute minimum temperature (°C) | -17.3 | -8.0 | -5.0 | -0.7 | 4.3 | 14.2 | 17.3 | 19.1 | 12.8 | 3.4 | -8.6 | -14.0 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 7.4 | 9.0 | 8.1 | 8.6 | 9.8 | 7.8 | 9.2 | 7.4 | 8.6 | 7.9 | 6.7 |
| Precipitation (mm) | 33 | 14 | 56 | 55 | 137 | 230 | 351 | 228 | 263 | 12 | 57 | 92 |
| Sunny days | 22 | 19 | 21 | 15 | 19 | 11 | 2 | 4 | 9 | 22 | 19 | 20 |
| Rainy days | 5 | 7 | 10 | 15 | 12 | 19 | 29 | 27 | 21 | 9 | 11 | 8 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Hyŏl-tong is at