Average annual temperature is 13.7 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -13.9 °C
Number of sunny days: 188 days
Number of rainy days: 167 days
Number of snow days: 10 days
Look at detailed online map of Silli
* Weather data for Silli 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) | 14.5 | 11.4 | 24.4 | 25.8 | 28.0 | 31.7 | 32.0 | 34.3 | 31.0 | 23.2 | 23.7 | 17.9 |
| Average daytime temperature (°C) | 4.2 | 6.9 | 14.2 | 18.1 | 22.6 | 25.7 | 28.3 | 30.2 | 26.5 | 19.9 | 12.4 | 7.0 |
| Average temperature (°C) | -0.3 | 1.7 | 8.3 | 12.9 | 17.9 | 21.8 | 25.3 | 26.5 | 22.7 | 15.1 | 8.3 | 3.3 |
| Average night temperature (°C) | -4.8 | -2.3 | 3.5 | 8.5 | 14.1 | 18.9 | 23.0 | 23.4 | 19.7 | 10.8 | 4.0 | -0.2 |
| Absolute minimum temperature (°C) | -13.9 | -6.3 | -3.5 | 3.0 | 6.8 | 15.6 | 20.2 | 18.2 | 14.8 | 5.4 | -3.8 | -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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 7.3 | 7.8 | 9.1 | 8.0 | 8.4 | 9.9 | 7.3 | 9.4 | 7.4 | 8.3 | 6.9 | 5.3 |
| Precipitation (mm) | 38 | 4 | 27 | 86 | 164 | 256 | 659 | 260 | 239 | 15 | 97 | 124 |
| Sunny days | 19 | 24 | 22 | 17 | 15 | 17 | 2 | 8 | 14 | 22 | 13 | 15 |
| Rainy days | 9 | 3 | 9 | 13 | 16 | 13 | 29 | 23 | 16 | 9 | 16 | 11 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The best time to visit Silli during the most sunny months:
The largest precipitation sum in Silli is at