Average annual temperature is 14.9 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -11.4 °C
Number of sunny days: 182 days
Number of rainy days: 179 days
Number of snow days: 4 days
Look at detailed online map of Usil
* Weather data for Usil 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) | 16.5 | 14.0 | 23.9 | 25.2 | 25.5 | 29.8 | 33.4 | 34.8 | 31.0 | 24.9 | 25.4 | 19.0 |
| Average daytime temperature (°C) | 7.1 | 10.7 | 16.3 | 18.3 | 21.4 | 25.6 | 28.3 | 30.5 | 27.3 | 21.9 | 15.0 | 9.5 |
| Average temperature (°C) | 2.1 | 5.1 | 10.8 | 13.7 | 17.5 | 21.9 | 25.2 | 27.0 | 23.5 | 16.5 | 9.7 | 4.7 |
| Average night temperature (°C) | -2.1 | 0.8 | 6.2 | 9.5 | 14.3 | 19.0 | 22.8 | 24.3 | 20.4 | 12.0 | 5.4 | 0.8 |
| Absolute minimum temperature (°C) | -11.4 | -4.1 | -1.4 | 2.6 | 7.7 | 15.2 | 19.5 | 22.4 | 15.7 | 7.0 | -3.6 | -8.2 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 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) | 7.6 | 7.5 | 8.7 | 7.6 | 7.6 | 8.1 | 6.5 | 9.6 | 7.2 | 8.6 | 8.1 | 7.2 |
| Precipitation (mm) | 63 | 43 | 63 | 116 | 261 | 235 | 372 | 298 | 256 | 12 | 35 | 78 |
| Sunny days | 24 | 20 | 19 | 14 | 13 | 8 | 3 | 7 | 7 | 24 | 22 | 21 |
| Rainy days | 5 | 8 | 12 | 16 | 18 | 22 | 28 | 24 | 23 | 7 | 8 | 8 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Usil is at