Average annual temperature is 12.0 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -17.7 °C
Number of sunny days: 189 days
Number of rainy days: 165 days
Number of snow days: 11 days
Look at detailed online map of Hamaesŏng
* Weather data for Hamaesŏng 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) | 10.3 | 9.4 | 20.8 | 23.4 | 28.5 | 31.9 | 32.5 | 33.7 | 30.7 | 22.8 | 21.9 | 14.6 |
| Average daytime temperature (°C) | 1.3 | 5.8 | 12.6 | 17.0 | 22.1 | 26.1 | 28.9 | 29.3 | 26.5 | 19.1 | 9.1 | 3.3 |
| Average temperature (°C) | -3.4 | 0.0 | 6.3 | 11.3 | 16.8 | 21.5 | 25.3 | 25.5 | 22.1 | 14.0 | 4.5 | -0.8 |
| Average night temperature (°C) | -7.5 | -3.8 | 1.2 | 6.8 | 12.3 | 17.6 | 22.6 | 22.4 | 18.4 | 9.7 | 0.6 | -4.9 |
| Absolute minimum temperature (°C) | -17.7 | -6.8 | -4.7 | 0.3 | 5.7 | 13.5 | 19.2 | 17.7 | 13.2 | 3.9 | -7.2 | -15.6 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 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) | 6.9 | 8.4 | 9.0 | 7.2 | 9.0 | 9.1 | 7.7 | 8.0 | 7.8 | 8.2 | 6.5 | 6.0 |
| Precipitation (mm) | 34 | 4 | 12 | 110 | 207 | 167 | 240 | 264 | 80 | 19 | 93 | 71 |
| Sunny days | 21 | 25 | 25 | 12 | 19 | 8 | 4 | 8 | 11 | 23 | 14 | 19 |
| Rainy days | 5 | 3 | 6 | 18 | 12 | 22 | 27 | 23 | 19 | 8 | 14 | 8 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Hamaesŏng is at