Average annual temperature is 14.0 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -14.4 °C
Number of sunny days: 164 days
Number of rainy days: 187 days
Number of snow days: 14 days
Look at detailed online map of Sillyeok
* Weather data for Sillyeok 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) | 15.8 | 11.5 | 21.5 | 23.7 | 28.1 | 32.2 | 31.9 | 33.2 | 30.2 | 22.9 | 23.8 | 18.3 |
| Average daytime temperature (°C) | 5.3 | 7.1 | 14.6 | 18.0 | 22.5 | 26.5 | 28.5 | 30.2 | 26.7 | 20.1 | 12.9 | 7.5 |
| Average temperature (°C) | 1.1 | 2.4 | 8.6 | 12.7 | 17.8 | 22.0 | 25.4 | 26.3 | 22.8 | 15.6 | 9.1 | 4.1 |
| Average night temperature (°C) | -3.2 | -1.1 | 4.1 | 8.5 | 14.0 | 18.9 | 23.1 | 23.2 | 19.6 | 11.7 | 5.0 | 0.7 |
| Absolute minimum temperature (°C) | -14.4 | -4.8 | -3.3 | 2.2 | 7.5 | 15.2 | 20.5 | 18.8 | 15.6 | 7.6 | -2.6 | -10.8 |
| 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 | 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) | 6.6 | 7.2 | 8.8 | 7.7 | 7.7 | 8.8 | 6.5 | 9.8 | 8.2 | 8.0 | 6.7 | 5.0 |
| Precipitation (mm) | 40 | 20 | 46 | 109 | 191 | 182 | 534 | 211 | 215 | 18 | 87 | 98 |
| Sunny days | 18 | 22 | 24 | 15 | 13 | 16 | 1 | 4 | 8 | 19 | 15 | 9 |
| Rainy days | 9 | 6 | 7 | 15 | 18 | 14 | 30 | 27 | 22 | 12 | 13 | 14 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 |
The best time to visit Sillyeok during the most sunny months:
The largest precipitation sum in Sillyeok is at