Average annual temperature is 12.8 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 200 days
Number of rainy days: 149 days
Number of snow days: 16 days
Look at detailed online map of Hongsumandeul
* Weather data for Hongsumandeul 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) | 8.0 | 5.8 | 12.9 | 18.8 | 20.1 | 25.9 | 28.0 | 31.4 | 27.6 | 22.5 | 19.9 | 13.3 |
| Average daytime temperature (°C) | 1.4 | 2.8 | 7.4 | 12.6 | 16.9 | 20.9 | 25.0 | 27.0 | 24.6 | 19.0 | 10.6 | 4.8 |
| Average temperature (°C) | -0.6 | 1.4 | 5.8 | 10.5 | 15.1 | 19.5 | 23.9 | 25.8 | 23.1 | 17.0 | 8.2 | 2.6 |
| Average night temperature (°C) | -3.5 | -0.9 | 3.9 | 9.0 | 14.0 | 18.3 | 23.0 | 24.5 | 21.3 | 14.3 | 5.1 | -0.2 |
| Absolute minimum temperature (°C) | -13.5 | -4.0 | 0.3 | 6.4 | 10.1 | 15.0 | 20.3 | 21.4 | 17.5 | 11.8 | -3.1 | -10.2 |
| 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 | 9.6 |
| 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) | 7.2 | 8.6 | 9.3 | 7.9 | 8.9 | 9.8 | 8.0 | 8.9 | 7.8 | 8.1 | 7.2 | 5.8 |
| Precipitation (mm) | 41 | 3 | 10 | 80 | 152 | 156 | 337 | 308 | 147 | 41 | 82 | 92 |
| Sunny days | 19 | 26 | 26 | 16 | 19 | 17 | 10 | 15 | 10 | 15 | 13 | 14 |
| Rainy days | 6 | 2 | 5 | 14 | 12 | 13 | 21 | 16 | 20 | 16 | 16 | 8 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 |
The largest precipitation sum in Hongsumandeul is at