Average annual temperature is 10.4 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -20.1 °C
Number of sunny days: 172 days
Number of rainy days: 177 days
Number of snow days: 16 days
Look at detailed online map of Hongmun
* Weather data for Hongmun 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) | 11.1 | 9.9 | 19.8 | 21.0 | 28.0 | 28.7 | 30.7 | 31.2 | 27.2 | 19.4 | 21.7 | 14.9 |
| Average daytime temperature (°C) | -0.3 | 4.3 | 12.6 | 15.2 | 20.3 | 24.4 | 26.4 | 27.2 | 23.2 | 16.1 | 7.6 | 1.9 |
| Average temperature (°C) | -4.5 | -0.9 | 6.4 | 9.6 | 15.4 | 19.5 | 22.6 | 23.2 | 19.3 | 11.4 | 3.2 | -1.6 |
| Average night temperature (°C) | -8.4 | -4.4 | 1.1 | 4.7 | 10.7 | 15.3 | 19.5 | 19.9 | 16.0 | 7.2 | -1.2 | -4.8 |
| Absolute minimum temperature (°C) | -20.1 | -9.8 | -6.7 | -1.9 | 3.7 | 11.8 | 15.2 | 14.8 | 10.7 | 1.5 | -11.4 | -17.5 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.1 | 7.8 | 9.1 | 8.1 | 8.6 | 9.9 | 7.3 | 8.6 | 7.3 | 8.4 | 7.3 | 5.9 |
| Precipitation (mm) | 34 | 9 | 36 | 72 | 126 | 187 | 527 | 366 | 272 | 22 | 70 | 96 |
| Sunny days | 17 | 21 | 21 | 13 | 17 | 9 | 4 | 6 | 6 | 23 | 17 | 18 |
| Rainy days | 5 | 5 | 10 | 17 | 14 | 21 | 27 | 25 | 24 | 8 | 11 | 10 |
| Snow days | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Hongmun during the most sunny months:
The largest precipitation sum in Hongmun is at