Average annual temperature is 14.3 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -13.9 °C
Number of sunny days: 164 days
Number of rainy days: 190 days
Number of snow days: 11 days
Look at detailed online map of Chilseok
* Weather data for Chilseok 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) | 15.5 | 12.7 | 25.2 | 25.9 | 32.9 | 36.4 | 32.7 | 34.1 | 31.1 | 23.2 | 25.1 | 18.7 |
| Average daytime temperature (°C) | 4.8 | 7.8 | 16.8 | 19.8 | 24.8 | 28.8 | 29.5 | 30.5 | 27.0 | 20.4 | 12.9 | 7.4 |
| Average temperature (°C) | 0.3 | 2.2 | 9.5 | 13.7 | 19.1 | 23.0 | 26.0 | 26.6 | 22.8 | 15.4 | 8.5 | 3.9 |
| Average night temperature (°C) | -4.3 | -2.1 | 4.0 | 8.5 | 14.3 | 18.8 | 23.2 | 23.3 | 19.2 | 11.0 | 4.0 | 0.5 |
| Absolute minimum temperature (°C) | -13.9 | -6.7 | -3.5 | 1.2 | 6.0 | 14.0 | 20.8 | 16.8 | 13.9 | 5.9 | -3.9 | -10.7 |
| 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) | 7.2 | 7.3 | 8.8 | 7.6 | 8.1 | 9.3 | 6.9 | 9.5 | 7.7 | 8.6 | 6.5 | 5.3 |
| Precipitation (mm) | 40 | 10 | 29 | 76 | 149 | 143 | 529 | 270 | 213 | 15 | 98 | 121 |
| Sunny days | 18 | 22 | 23 | 14 | 12 | 13 | 1 | 4 | 10 | 21 | 14 | 12 |
| Rainy days | 10 | 6 | 8 | 16 | 19 | 17 | 30 | 27 | 20 | 10 | 15 | 12 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The largest precipitation sum in Chilseok is at