Average annual temperature is 12.3 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -17.2 °C
Number of sunny days: 188 days
Number of rainy days: 167 days
Number of snow days: 10 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) | 11.6 | 9.4 | 20.8 | 23.4 | 25.4 | 30.7 | 33.0 | 33.6 | 30.5 | 22.3 | 22.7 | 15.6 |
| Average daytime temperature (°C) | 1.6 | 4.8 | 11.8 | 16.3 | 21.1 | 24.1 | 28.5 | 29.2 | 25.9 | 19.1 | 9.9 | 4.4 |
| Average temperature (°C) | -2.4 | 0.5 | 6.7 | 11.7 | 16.7 | 20.7 | 25.0 | 25.6 | 22.1 | 14.3 | 5.4 | 0.3 |
| Average night temperature (°C) | -6.6 | -3.3 | 2.2 | 8.0 | 12.9 | 17.8 | 22.3 | 22.5 | 18.7 | 9.8 | 1.1 | -3.6 |
| Absolute minimum temperature (°C) | -17.2 | -6.2 | -2.6 | 2.3 | 6.4 | 14.2 | 20.3 | 17.5 | 13.3 | 4.9 | -7.1 | -14.1 |
| 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 | 14.5 | 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 | 8.5 | 9.3 | 7.4 | 8.9 | 9.4 | 7.7 | 8.7 | 7.3 | 8.2 | 7.2 | 6.0 |
| Precipitation (mm) | 39 | 2 | 27 | 96 | 175 | 222 | 383 | 303 | 159 | 44 | 99 | 77 |
| Sunny days | 19 | 25 | 23 | 15 | 20 | 12 | 6 | 8 | 8 | 20 | 16 | 16 |
| Rainy days | 8 | 2 | 8 | 15 | 11 | 18 | 25 | 23 | 22 | 11 | 13 | 11 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Hachon is at