Average annual temperature is 11.5 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -26.1 °C
Number of sunny days: 218 days
Number of rainy days: 136 days
Number of snow days: 11 days
Look at detailed online map of Ch’ilsŏngsan
* Weather data for Ch’ilsŏngsan 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) | 12.3 | 11.9 | 21.7 | 23.3 | 32.5 | 34.6 | 34.1 | 35.4 | 30.1 | 23.3 | 23.6 | 14.1 |
| Average daytime temperature (°C) | 1.2 | 5.5 | 13.3 | 16.3 | 23.4 | 26.6 | 30.1 | 28.1 | 25.1 | 19.6 | 9.1 | 1.3 |
| Average temperature (°C) | -3.5 | 0.5 | 6.9 | 11.0 | 17.3 | 21.5 | 25.5 | 24.5 | 20.4 | 13.6 | 4.1 | -4.1 |
| Average night temperature (°C) | -8.2 | -3.8 | 1.3 | 6.6 | 11.9 | 17.0 | 22.0 | 21.8 | 16.8 | 8.2 | -0.3 | -9.7 |
| Absolute minimum temperature (°C) | -19.0 | -9.1 | -5.5 | 2.9 | 5.2 | 11.9 | 18.3 | 16.2 | 10.0 | 2.4 | -7.7 | -26.1 |
| 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 | 14.6 | 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) | 6.9 | 7.9 | 8.8 | 8.5 | 10.0 | 10.1 | 9.3 | 6.4 | 8.7 | 8.7 | 7.1 | 5.6 |
| Precipitation (mm) | 29 | 10 | 26 | 97 | 80 | 160 | 180 | 358 | 93 | 9 | 72 | 99 |
| Sunny days | 23 | 22 | 24 | 17 | 20 | 15 | 13 | 11 | 9 | 24 | 20 | 20 |
| Rainy days | 4 | 3 | 6 | 13 | 11 | 15 | 18 | 20 | 21 | 7 | 10 | 8 |
| Snow days | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Ch’ilsŏngsan is at