Average annual temperature is 13.2 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -15.0 °C
Number of sunny days: 163 days
Number of rainy days: 188 days
Number of snow days: 14 days
Look at detailed online map of Haepyeong
* Weather data for Haepyeong 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) | 14.5 | 12.6 | 22.5 | 25.1 | 30.2 | 33.2 | 31.9 | 34.2 | 30.2 | 22.0 | 23.2 | 17.9 |
| Average daytime temperature (°C) | 3.8 | 7.3 | 15.7 | 17.9 | 22.6 | 27.1 | 28.2 | 29.9 | 26.3 | 19.4 | 11.4 | 6.1 |
| Average temperature (°C) | -0.7 | 1.9 | 8.9 | 12.2 | 17.4 | 21.7 | 24.7 | 25.7 | 22.1 | 14.3 | 7.0 | 2.5 |
| Average night temperature (°C) | -4.5 | -2.0 | 3.8 | 7.3 | 13.1 | 17.8 | 22.0 | 22.4 | 18.9 | 9.9 | 2.9 | -0.9 |
| Absolute minimum temperature (°C) | -15.0 | -6.6 | -3.7 | 1.4 | 6.0 | 13.9 | 18.7 | 18.4 | 14.2 | 5.6 | -6.1 | -11.4 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 7.2 | 8.8 | 7.5 | 7.8 | 9.1 | 6.6 | 9.6 | 7.7 | 8.6 | 7.1 | 5.6 |
| Precipitation (mm) | 47 | 16 | 47 | 84 | 164 | 202 | 513 | 330 | 171 | 16 | 98 | 111 |
| Sunny days | 17 | 20 | 22 | 13 | 13 | 13 | 3 | 4 | 7 | 21 | 16 | 14 |
| Rainy days | 7 | 7 | 9 | 17 | 18 | 17 | 28 | 27 | 23 | 10 | 13 | 12 |
| Snow days | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Haepyeong is at