Average annual temperature is 11.4 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -20.8 °C
Number of sunny days: 185 days
Number of rainy days: 169 days
Number of snow days: 11 days
Look at detailed online map of Halmiyŏul
* Weather data for Halmiyŏul 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) | 10.4 | 10.7 | 21.0 | 24.7 | 27.9 | 33.2 | 32.2 | 32.3 | 29.6 | 20.8 | 21.6 | 13.9 |
| Average daytime temperature (°C) | 0.8 | 5.6 | 13.6 | 16.4 | 21.9 | 26.2 | 28.6 | 28.6 | 25.1 | 17.4 | 8.3 | 2.7 |
| Average temperature (°C) | -3.8 | -0.3 | 6.7 | 10.5 | 16.4 | 20.9 | 24.8 | 24.7 | 20.8 | 12.6 | 4.0 | -1.6 |
| Average night temperature (°C) | -8.0 | -4.3 | 0.6 | 5.2 | 11.0 | 16.2 | 21.7 | 21.5 | 17.5 | 8.5 | -0.2 | -5.1 |
| Absolute minimum temperature (°C) | -20.8 | -7.7 | -6.6 | -1.6 | 2.8 | 12.1 | 19.1 | 16.0 | 11.7 | 2.2 | -8.9 | -15.9 |
| 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 | 10.1 | 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) | 7.1 | 8.2 | 9.3 | 7.4 | 9.3 | 9.6 | 7.9 | 8.0 | 7.3 | 7.9 | 6.7 | 5.9 |
| Precipitation (mm) | 39 | 1 | 21 | 100 | 120 | 230 | 377 | 330 | 120 | 16 | 78 | 79 |
| Sunny days | 20 | 24 | 24 | 13 | 20 | 8 | 6 | 6 | 8 | 19 | 19 | 18 |
| Rainy days | 6 | 1 | 7 | 17 | 11 | 22 | 25 | 25 | 22 | 12 | 11 | 10 |
| Snow days | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Halmiyŏul is at