Average annual temperature is 9.0 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: -20.2 °C
Number of sunny days: 206 days
Number of rainy days: 123 days
Number of snow days: 36 days
Look at detailed online map of Ch’ŏllyŏn
* Weather data for Ch’ŏllyŏn 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) | 5.7 | 11.1 | 15.7 | 18.4 | 23.7 | 28.8 | 31.5 | 29.5 | 28.3 | 21.6 | 18.7 | 8.6 |
| Average daytime temperature (°C) | -2.4 | 1.0 | 7.2 | 12.0 | 18.2 | 22.3 | 24.8 | 24.9 | 22.6 | 17.1 | 7.0 | -1.3 |
| Average temperature (°C) | -6.2 | -2.8 | 2.9 | 7.5 | 13.8 | 18.5 | 22.1 | 22.7 | 18.9 | 11.9 | 3.1 | -5.1 |
| Average night temperature (°C) | -10.6 | -7.0 | -1.2 | 3.3 | 9.5 | 15.6 | 19.9 | 20.9 | 15.6 | 7.3 | -0.2 | -8.6 |
| Absolute minimum temperature (°C) | -20.2 | -13.5 | -6.5 | -1.9 | 3.9 | 11.8 | 15.7 | 17.7 | 9.7 | 2.4 | -8.5 | -19.7 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 6.0 | 7.6 | 8.7 | 8.5 | 10.6 | 9.5 | 9.6 | 5.4 | 9.6 | 9.3 | 6.0 | 4.5 |
| Precipitation (mm) | 26 | 15 | 33 | 58 | 39 | 136 | 82 | 426 | 35 | 5 | 65 | 37 |
| Sunny days | 16 | 18 | 21 | 14 | 22 | 16 | 16 | 5 | 23 | 24 | 16 | 15 |
| Rainy days | 2 | 1 | 10 | 15 | 9 | 14 | 15 | 26 | 7 | 7 | 12 | 5 |
| Snow days | 13 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 11 |
The best time to visit Ch’ŏllyŏn during the most sunny months:
The largest precipitation sum in Ch’ŏllyŏn is at