Average annual temperature is 11.5 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -19.6 °C
Number of sunny days: 179 days
Number of rainy days: 169 days
Number of snow days: 17 days
Look at detailed online map of Heonteo
* Weather data for Heonteo 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 | 10.1 | 21.6 | 25.1 | 28.3 | 33.7 | 32.5 | 32.5 | 29.4 | 21.2 | 21.8 | 14.3 |
| Average daytime temperature (°C) | 0.5 | 5.4 | 13.7 | 16.7 | 22.3 | 26.2 | 28.5 | 28.6 | 25.1 | 17.7 | 8.3 | 2.6 |
| Average temperature (°C) | -4.1 | -0.3 | 6.9 | 11.1 | 16.8 | 21.3 | 24.7 | 24.8 | 20.9 | 12.5 | 3.6 | -1.6 |
| Average night temperature (°C) | -8.6 | -4.1 | 1.2 | 6.4 | 11.9 | 17.1 | 21.5 | 21.4 | 17.6 | 8.3 | -0.5 | -5.2 |
| Absolute minimum temperature (°C) | -19.6 | -7.1 | -5.2 | -0.4 | 5.8 | 12.9 | 18.0 | 15.7 | 11.0 | 2.1 | -9.3 | -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) | 7.2 | 8.3 | 9.2 | 7.3 | 9.3 | 9.5 | 8.0 | 7.9 | 7.5 | 8.1 | 6.8 | 6.1 |
| Precipitation (mm) | 44 | 2 | 21 | 127 | 133 | 235 | 498 | 350 | 139 | 26 | 120 | 91 |
| Sunny days | 20 | 21 | 23 | 15 | 18 | 9 | 4 | 6 | 10 | 18 | 16 | 19 |
| Rainy days | 3 | 3 | 8 | 15 | 13 | 21 | 27 | 25 | 20 | 13 | 12 | 9 |
| Snow days | 8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Heonteo is at