Average annual temperature is 10.6 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -20.6 °C
Number of sunny days: 187 days
Number of rainy days: 164 days
Number of snow days: 14 days
Look at detailed online map of Hongchon
* Weather data for Hongchon 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) | 9.5 | 10.9 | 21.4 | 23.6 | 27.2 | 32.2 | 32.4 | 33.9 | 29.1 | 20.9 | 21.3 | 13.8 |
| Average daytime temperature (°C) | -0.1 | 5.1 | 13.3 | 15.9 | 21.5 | 25.5 | 28.6 | 28.2 | 24.7 | 17.5 | 8.0 | 2.0 |
| Average temperature (°C) | -5.1 | -0.8 | 5.8 | 10.0 | 15.6 | 20.3 | 24.2 | 24.0 | 20.0 | 11.5 | 3.0 | -2.3 |
| Average night temperature (°C) | -9.9 | -4.6 | -0.2 | 4.8 | 10.3 | 15.4 | 20.8 | 20.4 | 16.4 | 6.9 | -1.1 | -5.8 |
| Absolute minimum temperature (°C) | -20.6 | -7.8 | -6.0 | -3.1 | 3.6 | 10.3 | 17.7 | 14.5 | 9.7 | 1.8 | -9.6 | -16.8 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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) | 7.1 | 8.4 | 9.5 | 7.3 | 9.3 | 9.9 | 8.3 | 7.8 | 7.8 | 8.2 | 6.6 | 5.8 |
| Precipitation (mm) | 42 | 2 | 21 | 106 | 129 | 193 | 310 | 294 | 109 | 20 | 92 | 87 |
| Sunny days | 20 | 23 | 23 | 13 | 22 | 7 | 7 | 6 | 11 | 19 | 17 | 19 |
| Rainy days | 3 | 1 | 8 | 17 | 9 | 23 | 24 | 25 | 19 | 12 | 12 | 11 |
| Snow days | 8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The largest precipitation sum in Hongchon is at