Average annual temperature is 10.8 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -20.6 °C
Number of sunny days: 181 days
Number of rainy days: 167 days
Number of snow days: 17 days
Look at detailed online map of Suil-li
* Weather data for Suil-li 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) | 9.7 | 10.6 | 20.5 | 23.9 | 27.4 | 32.1 | 32.7 | 33.2 | 29.8 | 20.9 | 21.2 | 13.1 |
| Average daytime temperature (°C) | 0.4 | 5.1 | 13.0 | 15.9 | 21.5 | 25.8 | 28.9 | 28.6 | 25.0 | 17.3 | 8.1 | 2.1 |
| Average temperature (°C) | -4.3 | -0.7 | 5.9 | 9.9 | 15.8 | 20.4 | 24.5 | 24.2 | 20.2 | 11.9 | 3.5 | -2.2 |
| Average night temperature (°C) | -8.8 | -4.7 | -0.3 | 4.8 | 10.2 | 15.5 | 21.1 | 20.8 | 16.8 | 7.3 | -0.4 | -5.7 |
| Absolute minimum temperature (°C) | -20.6 | -8.3 | -6.4 | -1.1 | 2.4 | 11.7 | 18.5 | 16.0 | 10.8 | 3.2 | -9.2 | -16.6 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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) | 7.0 | 8.1 | 9.3 | 7.3 | 9.3 | 9.7 | 8.1 | 7.9 | 7.6 | 7.8 | 6.6 | 5.9 |
| Precipitation (mm) | 38 | 2 | 14 | 100 | 113 | 195 | 296 | 355 | 111 | 14 | 73 | 79 |
| Sunny days | 19 | 24 | 23 | 12 | 19 | 9 | 5 | 7 | 9 | 18 | 17 | 19 |
| Rainy days | 4 | 0 | 8 | 18 | 12 | 21 | 26 | 24 | 21 | 13 | 12 | 8 |
| Snow days | 8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Suil-li is at