Average annual temperature is 11.5 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -17.8 °C
Number of sunny days: 177 days
Number of rainy days: 177 days
Number of snow days: 11 days
Look at detailed online map of Haegyŏnggi
* Weather data for Haegyŏnggi 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) | 14.2 | 13.9 | 22.8 | 23.6 | 29.5 | 31.6 | 33.3 | 33.9 | 27.8 | 21.7 | 23.4 | 16.0 |
| Average daytime temperature (°C) | 2.1 | 5.1 | 13.4 | 16.1 | 21.2 | 25.3 | 28.9 | 27.9 | 23.0 | 17.6 | 10.6 | 4.0 |
| Average temperature (°C) | -2.6 | 0.0 | 7.3 | 10.9 | 16.3 | 20.6 | 24.7 | 24.1 | 19.4 | 12.1 | 5.3 | -0.4 |
| Average night temperature (°C) | -6.7 | -3.9 | 1.8 | 6.1 | 11.6 | 16.6 | 21.3 | 21.1 | 16.3 | 7.4 | 0.8 | -3.9 |
| Absolute minimum temperature (°C) | -17.8 | -9.3 | -5.8 | 0.1 | 4.9 | 13.3 | 16.7 | 14.5 | 9.4 | 1.6 | -9.2 | -14.8 |
| 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 | 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 | 9.6 |
| 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) | 7.4 | 7.5 | 8.9 | 8.7 | 9.0 | 10.2 | 8.2 | 8.3 | 7.1 | 8.4 | 7.4 | 6.4 |
| Precipitation (mm) | 71 | 58 | 38 | 75 | 144 | 199 | 305 | 319 | 253 | 27 | 55 | 165 |
| Sunny days | 25 | 20 | 19 | 15 | 15 | 11 | 7 | 6 | 7 | 13 | 18 | 21 |
| Rainy days | 3 | 4 | 12 | 15 | 16 | 19 | 24 | 25 | 23 | 18 | 9 | 9 |
| Snow days | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 |
The best time to visit Haegyŏnggi during the most sunny months:
The largest precipitation sum in Haegyŏnggi is at