Average annual temperature is 12.0 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -18.3 °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 Haheun
* Weather data for Haheun 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) | 11.0 | 8.7 | 20.6 | 24.3 | 27.4 | 32.8 | 31.9 | 33.8 | 30.5 | 22.7 | 22.8 | 15.3 |
| Average daytime temperature (°C) | 1.3 | 5.5 | 13.2 | 17.1 | 22.2 | 25.9 | 28.8 | 29.2 | 26.3 | 19.5 | 9.6 | 3.9 |
| Average temperature (°C) | -3.6 | -0.2 | 6.4 | 11.6 | 17.2 | 21.6 | 25.0 | 25.4 | 21.8 | 13.8 | 4.6 | -0.6 |
| Average night temperature (°C) | -8.3 | -4.4 | 1.1 | 6.9 | 12.5 | 18.0 | 22.0 | 21.9 | 18.1 | 8.9 | 0.2 | -4.7 |
| Absolute minimum temperature (°C) | -18.3 | -7.3 | -4.9 | 1.8 | 6.0 | 14.2 | 18.7 | 16.4 | 12.2 | 2.3 | -7.4 | -15.1 |
| 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 | 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) | 7.0 | 8.4 | 8.9 | 7.3 | 9.2 | 9.2 | 7.7 | 8.4 | 7.9 | 8.3 | 6.9 | 6.3 |
| Precipitation (mm) | 35 | 4 | 34 | 119 | 167 | 175 | 300 | 295 | 104 | 32 | 90 | 71 |
| Sunny days | 20 | 26 | 25 | 14 | 21 | 6 | 4 | 6 | 11 | 20 | 15 | 20 |
| Rainy days | 5 | 2 | 6 | 16 | 10 | 24 | 27 | 25 | 19 | 11 | 13 | 9 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The largest precipitation sum in Haheun is at