Average annual temperature is 10.9 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -20.6 °C
Number of sunny days: 173 days
Number of rainy days: 176 days
Number of snow days: 16 days
Look at detailed online map of Hoyŏn
* Weather data for Hoyŏn 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) | 9.1 | 9.2 | 20.5 | 24.1 | 28.4 | 32.0 | 31.9 | 32.5 | 30.1 | 21.6 | 21.5 | 12.5 |
| Average daytime temperature (°C) | -0.6 | 4.6 | 12.5 | 16.3 | 21.7 | 25.6 | 28.7 | 28.1 | 25.5 | 17.9 | 7.3 | 1.3 |
| Average temperature (°C) | -5.5 | -0.6 | 6.0 | 10.3 | 16.3 | 20.6 | 24.5 | 24.2 | 20.9 | 12.8 | 2.9 | -2.5 |
| Average night temperature (°C) | -10.7 | -4.2 | 0.7 | 5.5 | 11.3 | 16.3 | 21.4 | 21.0 | 17.1 | 8.4 | -0.7 | -6.1 |
| Absolute minimum temperature (°C) | -20.6 | -7.8 | -6.0 | -1.0 | 4.5 | 12.2 | 18.8 | 15.2 | 10.6 | 2.7 | -9.3 | -18.6 |
| 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) | 7.1 | 8.3 | 9.5 | 7.8 | 9.2 | 9.4 | 8.3 | 7.6 | 7.9 | 8.1 | 6.7 | 5.8 |
| Precipitation (mm) | 42 | 3 | 16 | 115 | 154 | 257 | 250 | 317 | 76 | 36 | 116 | 76 |
| Sunny days | 19 | 24 | 24 | 10 | 17 | 9 | 5 | 3 | 11 | 19 | 15 | 17 |
| Rainy days | 5 | 1 | 7 | 20 | 14 | 21 | 26 | 28 | 19 | 12 | 14 | 9 |
| Snow days | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Hoyŏn is at