Average annual temperature is 13.9 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -13.0 °C
Number of sunny days: 161 days
Number of rainy days: 196 days
Number of snow days: 8 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) | 15.1 | 13.5 | 24.1 | 27.0 | 29.4 | 33.6 | 31.3 | 34.9 | 30.5 | 22.6 | 25.0 | 18.2 |
| Average daytime temperature (°C) | 5.3 | 8.8 | 16.8 | 18.2 | 22.1 | 27.5 | 28.4 | 30.2 | 26.8 | 20.2 | 12.8 | 7.8 |
| Average temperature (°C) | 0.7 | 2.8 | 9.8 | 12.7 | 17.4 | 22.1 | 25.0 | 26.0 | 22.6 | 15.2 | 8.3 | 3.9 |
| Average night temperature (°C) | -3.3 | -1.6 | 4.8 | 8.2 | 13.3 | 18.1 | 22.5 | 22.7 | 19.4 | 11.0 | 4.1 | 0.6 |
| Absolute minimum temperature (°C) | -13.0 | -5.4 | -2.6 | 1.4 | 6.8 | 14.3 | 18.2 | 18.7 | 15.0 | 6.5 | -3.3 | -8.5 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.1 | 8.5 | 7.2 | 7.3 | 8.6 | 6.2 | 10.1 | 7.9 | 8.7 | 7.5 | 5.9 |
| Precipitation (mm) | 35 | 31 | 57 | 102 | 204 | 176 | 426 | 349 | 155 | 14 | 99 | 72 |
| Sunny days | 20 | 20 | 23 | 13 | 9 | 12 | 2 | 5 | 5 | 19 | 18 | 15 |
| Rainy days | 7 | 8 | 8 | 17 | 22 | 18 | 29 | 26 | 25 | 12 | 12 | 12 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Hachon during the most sunny months:
The largest precipitation sum in Hachon is at