Average annual temperature is 9.9 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -20.5 °C
Number of sunny days: 172 days
Number of rainy days: 171 days
Number of snow days: 22 days
Look at detailed online map of Hayeochadong
* Weather data for Hayeochadong 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) | 9.9 | 9.8 | 20.1 | 23.3 | 26.7 | 30.3 | 31.0 | 31.3 | 28.0 | 19.4 | 20.1 | 12.7 |
| Average daytime temperature (°C) | -0.8 | 3.9 | 11.9 | 14.8 | 20.3 | 24.4 | 27.4 | 27.4 | 23.6 | 16.1 | 7.0 | 1.0 |
| Average temperature (°C) | -5.0 | -1.2 | 5.5 | 9.1 | 15.0 | 19.3 | 23.2 | 23.1 | 19.1 | 10.8 | 2.5 | -2.8 |
| Average night temperature (°C) | -8.9 | -4.7 | 0.1 | 4.0 | 9.9 | 14.8 | 19.8 | 19.7 | 15.5 | 6.3 | -1.4 | -6.2 |
| Absolute minimum temperature (°C) | -20.5 | -8.2 | -7.6 | -4.0 | 1.2 | 10.9 | 15.1 | 14.9 | 8.4 | 0.0 | -10.6 | -17.4 |
| 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) | 7.0 | 8.0 | 9.1 | 7.4 | 9.4 | 9.8 | 8.1 | 8.4 | 7.3 | 8.0 | 6.8 | 5.8 |
| Precipitation (mm) | 56 | 2 | 22 | 112 | 142 | 234 | 357 | 295 | 162 | 29 | 98 | 86 |
| Sunny days | 19 | 22 | 20 | 14 | 18 | 6 | 4 | 7 | 10 | 19 | 16 | 17 |
| Rainy days | 3 | 1 | 11 | 16 | 13 | 24 | 27 | 24 | 20 | 12 | 12 | 8 |
| Snow days | 9 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The largest precipitation sum in Hayeochadong is at