Average annual temperature is 12.8 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -23.1 °C
Number of sunny days: 193 days
Number of rainy days: 158 days
Number of snow days: 14 days
Look at detailed online map of Sillon
* Weather data for Sillon 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) | 11.3 | 10.7 | 23.8 | 26.3 | 31.9 | 34.6 | 33.9 | 34.3 | 30.9 | 22.5 | 23.4 | 16.1 |
| Average daytime temperature (°C) | 1.7 | 6.8 | 15.6 | 18.6 | 24.4 | 27.5 | 29.6 | 30.1 | 26.6 | 18.8 | 9.7 | 4.2 |
| Average temperature (°C) | -3.0 | 1.1 | 8.7 | 12.6 | 18.5 | 22.5 | 25.5 | 26.0 | 22.2 | 13.6 | 5.0 | 0.2 |
| Average night temperature (°C) | -7.8 | -2.9 | 2.7 | 7.4 | 13.3 | 18.0 | 22.4 | 22.5 | 18.6 | 9.1 | 0.8 | -3.3 |
| Absolute minimum temperature (°C) | -23.1 | -6.4 | -4.2 | 0.7 | 4.9 | 13.5 | 19.6 | 16.8 | 12.1 | 4.1 | -7.7 | -14.2 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.1 | 8.3 | 9.3 | 7.4 | 8.9 | 9.5 | 7.3 | 8.2 | 7.3 | 7.9 | 7.0 | 5.9 |
| Precipitation (mm) | 58 | 1 | 18 | 107 | 147 | 257 | 428 | 370 | 186 | 33 | 85 | 81 |
| Sunny days | 19 | 24 | 22 | 16 | 21 | 11 | 7 | 9 | 9 | 20 | 17 | 18 |
| Rainy days | 5 | 2 | 9 | 14 | 10 | 19 | 24 | 22 | 21 | 11 | 12 | 9 |
| Snow days | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Sillon is at