Average annual temperature is 13.0 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -14.6 °C
Number of sunny days: 166 days
Number of rainy days: 188 days
Number of snow days: 11 days
Look at detailed online map of Sumal-li
* Weather data for Sumal-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) | 13.6 | 11.2 | 22.6 | 25.1 | 29.4 | 31.4 | 31.6 | 33.2 | 29.4 | 21.3 | 23.0 | 16.8 |
| Average daytime temperature (°C) | 3.7 | 7.3 | 15.3 | 17.3 | 21.6 | 26.6 | 27.5 | 29.2 | 25.5 | 18.8 | 11.4 | 6.3 |
| Average temperature (°C) | -0.5 | 1.8 | 8.8 | 11.8 | 16.8 | 21.1 | 24.1 | 25.0 | 21.7 | 14.4 | 7.2 | 2.6 |
| Average night temperature (°C) | -4.3 | -2.1 | 4.2 | 7.3 | 12.9 | 17.1 | 21.6 | 21.8 | 18.5 | 10.5 | 3.4 | -0.4 |
| Absolute minimum temperature (°C) | -14.6 | -6.8 | -3.7 | 0.5 | 5.6 | 13.5 | 18.8 | 17.5 | 14.5 | 6.1 | -5.3 | -10.1 |
| 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) | 7.3 | 7.1 | 8.7 | 7.2 | 7.6 | 8.8 | 6.3 | 9.7 | 7.6 | 8.5 | 7.3 | 5.8 |
| Precipitation (mm) | 35 | 28 | 50 | 91 | 177 | 181 | 458 | 375 | 144 | 12 | 82 | 82 |
| Sunny days | 20 | 21 | 22 | 12 | 12 | 15 | 3 | 3 | 7 | 21 | 17 | 13 |
| Rainy days | 6 | 7 | 9 | 18 | 19 | 15 | 28 | 28 | 23 | 10 | 13 | 12 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The best time to visit Sumal-li during the most sunny months:
The largest precipitation sum in Sumal-li is at