Average annual temperature is 11.0 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -20.4 °C
Number of sunny days: 174 days
Number of rainy days: 174 days
Number of snow days: 17 days
Look at detailed online map of Hachon
* Weather data for Hachon 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) | 10.2 | 10.9 | 21.0 | 23.7 | 27.8 | 31.8 | 31.8 | 32.0 | 28.8 | 20.4 | 21.0 | 13.6 |
| Average daytime temperature (°C) | 0.1 | 4.8 | 12.9 | 15.8 | 21.3 | 25.4 | 28.2 | 28.3 | 24.6 | 17.0 | 7.8 | 2.0 |
| Average temperature (°C) | -4.2 | -0.3 | 6.8 | 10.3 | 16.1 | 20.4 | 24.2 | 24.2 | 20.3 | 12.2 | 3.4 | -1.8 |
| Average night temperature (°C) | -8.2 | -3.8 | 1.4 | 5.4 | 11.2 | 16.0 | 21.0 | 21.0 | 17.0 | 8.2 | -0.5 | -5.2 |
| Absolute minimum temperature (°C) | -20.4 | -7.7 | -7.0 | -2.3 | 3.4 | 11.9 | 17.2 | 15.8 | 11.0 | 1.2 | -9.7 | -16.7 |
| 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 | 14.7 | 14.5 | 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) | 7.1 | 8.2 | 9.2 | 7.5 | 9.4 | 9.9 | 8.1 | 8.4 | 7.4 | 7.9 | 6.9 | 5.9 |
| Precipitation (mm) | 46 | 2 | 23 | 114 | 150 | 259 | 366 | 326 | 150 | 30 | 98 | 79 |
| Sunny days | 19 | 22 | 22 | 14 | 18 | 8 | 4 | 6 | 8 | 19 | 16 | 18 |
| Rainy days | 4 | 0 | 9 | 16 | 13 | 22 | 27 | 25 | 22 | 12 | 13 | 11 |
| Snow days | 8 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Hachon is at