Average annual temperature is 14.1 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -14.1 °C
Number of sunny days: 195 days
Number of rainy days: 168 days
Number of snow days: 2 days
Look at detailed online map of Haseok
* Weather data for Haseok 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) | 16.6 | 15.1 | 25.0 | 29.0 | 31.7 | 33.8 | 33.9 | 34.3 | 29.6 | 23.1 | 26.6 | 19.4 |
| Average daytime temperature (°C) | 6.0 | 9.7 | 17.0 | 19.1 | 22.5 | 27.3 | 29.5 | 29.9 | 26.1 | 20.8 | 14.0 | 8.0 |
| Average temperature (°C) | 0.6 | 3.9 | 10.3 | 13.6 | 17.5 | 22.3 | 25.6 | 26.1 | 22.4 | 15.0 | 8.2 | 3.1 |
| Average night temperature (°C) | -3.5 | -0.5 | 5.0 | 8.4 | 12.8 | 18.4 | 22.2 | 23.0 | 19.4 | 10.3 | 3.3 | -0.8 |
| Absolute minimum temperature (°C) | -14.1 | -5.1 | -2.1 | 2.8 | 4.9 | 14.6 | 17.9 | 20.9 | 14.1 | 4.6 | -5.3 | -10.5 |
| 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.5 | 9.0 | 8.6 | 7.9 | 9.0 | 8.2 | 9.2 | 7.5 | 8.8 | 7.9 | 7.0 |
| Precipitation (mm) | 39 | 38 | 62 | 71 | 175 | 179 | 224 | 219 | 154 | 5 | 33 | 99 |
| Sunny days | 24 | 17 | 22 | 17 | 15 | 15 | 4 | 4 | 7 | 22 | 25 | 23 |
| Rainy days | 5 | 11 | 9 | 13 | 16 | 15 | 27 | 27 | 23 | 9 | 5 | 8 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Haseok is at