Average annual temperature is 9.9 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -25.7 °C
Number of sunny days: 193 days
Number of rainy days: 154 days
Number of snow days: 18 days
Look at detailed online map of Haryŏn
* Weather data for Haryŏn 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) | 9.2 | 9.8 | 18.9 | 21.1 | 27.4 | 30.9 | 32.2 | 32.2 | 30.6 | 22.7 | 20.4 | 11.5 |
| Average daytime temperature (°C) | -2.5 | 3.6 | 10.6 | 15.5 | 21.5 | 25.3 | 28.3 | 28.2 | 25.9 | 18.1 | 6.0 | -1.4 |
| Average temperature (°C) | -8.0 | -1.5 | 4.2 | 9.8 | 16.2 | 20.4 | 24.2 | 24.5 | 20.8 | 12.5 | 1.5 | -6.2 |
| Average night temperature (°C) | -13.4 | -5.4 | -1.0 | 4.6 | 11.2 | 15.9 | 21.0 | 21.4 | 16.4 | 8.1 | -2.2 | -10.8 |
| Absolute minimum temperature (°C) | -22.8 | -8.7 | -6.1 | -1.7 | 5.6 | 11.7 | 18.5 | 15.3 | 9.5 | 1.2 | -8.4 | -25.7 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 6.5 | 7.5 | 8.7 | 8.8 | 9.2 | 9.7 | 8.2 | 7.3 | 9.6 | 8.0 | 6.1 | 5.9 |
| Precipitation (mm) | 28 | 3 | 19 | 102 | 142 | 165 | 238 | 395 | 47 | 93 | 118 | 51 |
| Sunny days | 19 | 25 | 20 | 16 | 18 | 9 | 7 | 6 | 16 | 19 | 18 | 20 |
| Rainy days | 2 | 2 | 9 | 14 | 13 | 21 | 24 | 25 | 14 | 12 | 11 | 7 |
| Snow days | 10 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Haryŏn is at