Average annual temperature is 10.3 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: -21.9 °C
Number of sunny days: 214 days
Number of rainy days: 136 days
Number of snow days: 15 days
Look at detailed online map of Ch’ŏlsan
* Weather data for Ch’ŏlsan 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) | 8.3 | 7.2 | 13.4 | 18.5 | 28.8 | 29.4 | 30.1 | 31.4 | 31.0 | 21.9 | 19.7 | 10.9 |
| Average daytime temperature (°C) | -2.4 | 2.6 | 7.8 | 13.7 | 19.2 | 23.3 | 26.8 | 27.8 | 25.4 | 17.9 | 5.9 | -1.6 |
| Average temperature (°C) | -6.1 | -1.4 | 3.8 | 9.9 | 15.8 | 20.2 | 24.1 | 24.8 | 21.4 | 13.7 | 2.1 | -5.3 |
| Average night temperature (°C) | -10.3 | -4.7 | 0.0 | 6.2 | 12.5 | 17.4 | 21.8 | 22.2 | 17.6 | 10.0 | -1.8 | -9.5 |
| Absolute minimum temperature (°C) | -20.3 | -8.2 | -6.0 | 0.6 | 8.1 | 13.0 | 19.2 | 17.3 | 10.4 | 4.2 | -8.4 | -21.9 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 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) | 7.0 | 8.2 | 9.1 | 8.9 | 9.2 | 10.5 | 8.7 | 8.3 | 10.0 | 8.0 | 6.7 | 6.4 |
| Precipitation (mm) | 24 | 3 | 17 | 114 | 140 | 76 | 230 | 374 | 34 | 66 | 80 | 45 |
| Sunny days | 19 | 27 | 24 | 17 | 20 | 13 | 10 | 10 | 16 | 19 | 20 | 19 |
| Rainy days | 3 | 1 | 7 | 13 | 11 | 17 | 21 | 21 | 14 | 12 | 9 | 7 |
| Snow days | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Ch’ŏlsan is at