Average annual temperature is 14.3 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -12.8 °C
Number of sunny days: 176 days
Number of rainy days: 178 days
Number of snow days: 11 days
Look at detailed online map of Ch’ilsŏng
* Weather data for Ch’ilsŏng South 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) | 16.1 | 13.6 | 24.8 | 27.6 | 31.3 | 35.8 | 32.3 | 34.6 | 30.9 | 23.0 | 24.8 | 18.8 |
| Average daytime temperature (°C) | 5.7 | 9.0 | 17.5 | 19.8 | 24.1 | 29.1 | 29.2 | 30.8 | 27.3 | 20.5 | 13.4 | 8.2 |
| Average temperature (°C) | 0.4 | 2.6 | 9.7 | 13.3 | 18.4 | 23.1 | 25.8 | 26.6 | 22.9 | 15.1 | 8.5 | 4.0 |
| Average night temperature (°C) | -4.1 | -2.2 | 3.5 | 7.9 | 13.4 | 18.6 | 23.1 | 23.0 | 19.3 | 10.3 | 4.0 | 0.3 |
| Absolute minimum temperature (°C) | -12.8 | -5.9 | -4.6 | 0.6 | 5.5 | 13.9 | 18.7 | 17.6 | 14.5 | 6.0 | -3.4 | -9.0 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.2 | 8.7 | 7.4 | 7.5 | 8.6 | 6.4 | 9.6 | 7.7 | 8.2 | 7.1 | 5.5 |
| Precipitation (mm) | 38 | 25 | 51 | 92 | 170 | 198 | 462 | 228 | 185 | 14 | 92 | 70 |
| Sunny days | 21 | 23 | 24 | 13 | 11 | 14 | 1 | 5 | 10 | 22 | 17 | 15 |
| Rainy days | 7 | 5 | 7 | 17 | 20 | 16 | 30 | 26 | 20 | 9 | 12 | 9 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The best time to visit Ch’ilsŏng during the most sunny months:
The largest precipitation sum in Ch’ilsŏng is at