Average annual temperature is 14.2 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -10.9 °C
Number of sunny days: 194 days
Number of rainy days: 168 days
Number of snow days: 3 days
Look at detailed online map of Ch’ilchŏng
* Weather data for Ch’ilchŏng 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) | 17.3 | 15.5 | 24.2 | 25.9 | 29.7 | 33.1 | 32.8 | 34.8 | 30.4 | 23.9 | 26.2 | 18.5 |
| Average daytime temperature (°C) | 7.2 | 10.3 | 17.9 | 19.2 | 22.7 | 27.5 | 28.5 | 30.3 | 26.7 | 20.8 | 14.2 | 8.6 |
| Average temperature (°C) | 1.3 | 4.0 | 10.7 | 13.2 | 17.6 | 22.2 | 25.0 | 26.3 | 22.7 | 15.0 | 8.5 | 3.7 |
| Average night temperature (°C) | -3.2 | -0.9 | 4.8 | 7.8 | 13.3 | 18.0 | 22.3 | 23.1 | 19.4 | 10.4 | 3.7 | 0.1 |
| Absolute minimum temperature (°C) | -10.9 | -5.3 | -4.1 | 0.5 | 8.1 | 13.9 | 18.9 | 20.5 | 15.2 | 4.8 | -4.2 | -7.5 |
| 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) | 7.7 | 7.6 | 8.6 | 8.0 | 7.8 | 9.1 | 6.4 | 9.9 | 7.6 | 8.6 | 8.0 | 6.7 |
| Precipitation (mm) | 65 | 28 | 62 | 116 | 243 | 205 | 294 | 316 | 183 | 9 | 82 | 98 |
| Sunny days | 27 | 18 | 23 | 16 | 11 | 13 | 5 | 7 | 10 | 25 | 20 | 19 |
| Rainy days | 4 | 10 | 8 | 14 | 20 | 17 | 26 | 24 | 20 | 6 | 10 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Ch’ilchŏng is at