Average annual temperature is 12.8 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -15.3 °C
Number of sunny days: 196 days
Number of rainy days: 158 days
Number of snow days: 11 days
Look at detailed online map of Haettŏrŏji
* Weather data for Haettŏrŏji 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) | 11.5 | 9.5 | 21.5 | 24.5 | 28.1 | 30.7 | 32.3 | 34.7 | 30.0 | 22.5 | 22.5 | 15.3 |
| Average daytime temperature (°C) | 1.7 | 4.5 | 12.2 | 16.8 | 21.7 | 24.3 | 28.1 | 29.0 | 25.6 | 18.9 | 10.1 | 4.8 |
| Average temperature (°C) | -1.5 | 1.1 | 7.3 | 12.1 | 17.1 | 20.9 | 25.0 | 25.9 | 22.5 | 15.1 | 6.5 | 1.3 |
| Average night temperature (°C) | -5.4 | -2.3 | 3.1 | 8.7 | 13.6 | 18.2 | 22.8 | 23.2 | 19.5 | 11.2 | 2.6 | -2.2 |
| Absolute minimum temperature (°C) | -15.3 | -5.3 | -2.3 | 3.6 | 6.5 | 14.5 | 20.6 | 19.4 | 14.8 | 6.9 | -5.7 | -12.6 |
| 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 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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 | 8.6 | 9.6 | 7.9 | 8.9 | 9.6 | 7.9 | 8.8 | 7.6 | 8.1 | 7.2 | 5.8 |
| Precipitation (mm) | 32 | 1 | 12 | 99 | 153 | 188 | 385 | 252 | 179 | 41 | 140 | 91 |
| Sunny days | 20 | 26 | 25 | 17 | 20 | 16 | 5 | 8 | 11 | 17 | 16 | 15 |
| Rainy days | 7 | 2 | 6 | 13 | 11 | 14 | 26 | 23 | 19 | 14 | 14 | 9 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
The largest precipitation sum in Haettŏrŏji is at