Average annual temperature is 15.4 °C
Absolute maximum temperature: 29.3 °C
Absolute minimum temperature: -7.0 °C
Number of sunny days: 200 days
Number of rainy days: 162 days
Number of snow days: 3 days
Look at detailed online map of Usil-li
* Weather data for Usil-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) | 14.5 | 11.2 | 17.4 | 16.4 | 20.0 | 24.1 | 27.9 | 29.3 | 28.3 | 23.7 | 21.6 | 16.3 |
| Average daytime temperature (°C) | 6.6 | 8.6 | 12.3 | 14.8 | 17.3 | 21.5 | 24.5 | 27.8 | 25.9 | 20.3 | 13.7 | 9.2 |
| Average temperature (°C) | 4.3 | 6.3 | 10.5 | 13.1 | 16.4 | 20.4 | 23.6 | 26.8 | 24.7 | 18.6 | 11.8 | 7.4 |
| Average night temperature (°C) | 1.6 | 3.8 | 8.3 | 11.3 | 15.4 | 19.5 | 22.6 | 25.8 | 23.2 | 16.6 | 9.2 | 5.1 |
| Absolute minimum temperature (°C) | -7.0 | -0.8 | 2.3 | 6.4 | 12.2 | 16.6 | 20.1 | 23.8 | 17.8 | 12.9 | 1.8 | -3.2 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.2 | 8.5 | 8.0 | 8.2 | 8.7 | 7.7 | 10.3 | 8.3 | 8.8 | 8.1 | 7.1 |
| Precipitation (mm) | 55 | 61 | 36 | 117 | 272 | 261 | 375 | 259 | 227 | 21 | 47 | 76 |
| Sunny days | 23 | 16 | 20 | 15 | 16 | 12 | 8 | 13 | 10 | 25 | 22 | 20 |
| Rainy days | 6 | 12 | 11 | 15 | 15 | 18 | 23 | 18 | 20 | 6 | 8 | 10 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Usil-li during the most sunny months:
The largest precipitation sum in Usil-li is at