Average annual temperature is 11.5 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -19.4 °C
Number of sunny days: 190 days
Number of rainy days: 162 days
Number of snow days: 13 days
Look at detailed online map of Haeyŏul
* Weather data for Haeyŏul North 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) | 9.7 | 10.3 | 21.4 | 23.5 | 29.0 | 32.0 | 32.6 | 33.1 | 30.6 | 22.3 | 22.2 | 13.8 |
| Average daytime temperature (°C) | 0.6 | 5.5 | 13.1 | 17.1 | 22.8 | 26.6 | 29.4 | 29.2 | 26.5 | 18.7 | 8.3 | 2.4 |
| Average temperature (°C) | -4.4 | -0.4 | 6.2 | 10.9 | 16.9 | 21.3 | 25.3 | 25.0 | 21.4 | 13.2 | 3.4 | -2.0 |
| Average night temperature (°C) | -9.2 | -4.4 | 0.5 | 5.5 | 11.4 | 16.5 | 22.0 | 21.6 | 17.0 | 8.3 | -0.5 | -6.0 |
| Absolute minimum temperature (°C) | -19.4 | -7.0 | -5.3 | -1.2 | 5.3 | 12.4 | 19.7 | 16.1 | 11.2 | 2.5 | -8.2 | -17.6 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 6.9 | 8.2 | 9.4 | 8.0 | 9.3 | 9.4 | 8.4 | 7.9 | 8.7 | 8.2 | 6.6 | 6.0 |
| Precipitation (mm) | 30 | 4 | 13 | 90 | 134 | 171 | 176 | 303 | 52 | 27 | 97 | 70 |
| Sunny days | 22 | 24 | 25 | 12 | 19 | 9 | 10 | 3 | 12 | 23 | 14 | 17 |
| Rainy days | 3 | 2 | 6 | 18 | 12 | 21 | 21 | 28 | 18 | 8 | 15 | 10 |
| Snow days | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Haeyŏul is at