Average annual temperature is 10.3 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -26.7 °C
Number of sunny days: 181 days
Number of rainy days: 164 days
Number of snow days: 20 days
Look at detailed online map of Ch'wiryŏol
* Weather data for Ch'wiryŏol 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) | 8.7 | 8.9 | 18.9 | 21.9 | 28.3 | 31.7 | 31.5 | 31.1 | 30.0 | 21.5 | 22.2 | 11.9 |
| Average daytime temperature (°C) | -1.8 | 3.6 | 11.8 | 16.1 | 22.2 | 25.6 | 28.5 | 27.8 | 25.7 | 18.1 | 6.6 | -0.6 |
| Average temperature (°C) | -6.9 | -1.8 | 5.1 | 10.3 | 16.6 | 20.4 | 24.4 | 24.3 | 20.8 | 12.7 | 1.9 | -5.1 |
| Average night temperature (°C) | -12.6 | -6.0 | -0.7 | 5.0 | 11.5 | 15.8 | 21.1 | 21.5 | 16.7 | 7.8 | -1.7 | -9.6 |
| Absolute minimum temperature (°C) | -26.7 | -15.3 | -6.9 | -1.0 | 5.5 | 11.5 | 18.0 | 15.9 | 9.6 | 1.4 | -9.2 | -25.8 |
| 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 | 10.7 | 12.0 | 13.2 | 14.3 | 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) | 6.7 | 8.0 | 9.0 | 8.2 | 9.3 | 9.7 | 8.8 | 7.0 | 9.0 | 8.5 | 6.4 | 5.9 |
| Precipitation (mm) | 39 | 8 | 51 | 108 | 178 | 265 | 300 | 341 | 40 | 59 | 126 | 61 |
| Sunny days | 18 | 23 | 24 | 14 | 18 | 10 | 9 | 6 | 10 | 20 | 14 | 15 |
| Rainy days | 4 | 3 | 7 | 16 | 13 | 20 | 22 | 25 | 20 | 11 | 14 | 9 |
| Snow days | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
The largest precipitation sum in Ch'wiryŏol is at