Average annual temperature is 13.5 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -16.1 °C
Number of sunny days: 190 days
Number of rainy days: 165 days
Number of snow days: 10 days
Look at detailed online map of Harŭmma
* Weather data for Harŭmma 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) | 12.3 | 13.1 | 23.4 | 25.8 | 31.6 | 33.8 | 33.3 | 34.6 | 29.6 | 22.2 | 24.7 | 17.9 |
| Average daytime temperature (°C) | 3.3 | 7.5 | 16.2 | 18.8 | 23.9 | 28.2 | 29.5 | 30.4 | 26.3 | 19.6 | 11.3 | 5.1 |
| Average temperature (°C) | -1.1 | 2.1 | 9.6 | 12.7 | 18.4 | 22.9 | 25.4 | 26.1 | 22.2 | 14.5 | 6.6 | 1.3 |
| Average night temperature (°C) | -5.0 | -1.9 | 3.8 | 7.5 | 13.3 | 18.4 | 22.1 | 22.7 | 18.9 | 10.3 | 2.1 | -2.3 |
| Absolute minimum temperature (°C) | -16.1 | -6.6 | -3.1 | 1.1 | 4.8 | 15.0 | 17.8 | 18.2 | 13.9 | 4.5 | -7.8 | -13.1 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.8 | 9.1 | 8.1 | 8.3 | 9.9 | 7.4 | 9.1 | 7.5 | 8.9 | 7.6 | 6.2 |
| Precipitation (mm) | 39 | 12 | 43 | 59 | 158 | 223 | 469 | 321 | 291 | 14 | 58 | 118 |
| Sunny days | 22 | 20 | 22 | 14 | 19 | 7 | 3 | 9 | 12 | 24 | 19 | 19 |
| Rainy days | 5 | 5 | 9 | 16 | 12 | 23 | 28 | 22 | 18 | 7 | 11 | 9 |
| Snow days | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Harŭmma is at