Average annual temperature is 14.3 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -12.5 °C
Number of sunny days: 188 days
Number of rainy days: 173 days
Number of snow days: 4 days
Look at detailed online map of Kwallyul
* Weather data for Kwallyul 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) | 16.7 | 13.5 | 23.6 | 27.6 | 27.9 | 32.2 | 33.6 | 35.6 | 30.6 | 23.6 | 25.8 | 18.3 |
| Average daytime temperature (°C) | 6.8 | 10.4 | 17.0 | 19.0 | 22.5 | 27.3 | 28.8 | 30.6 | 27.0 | 21.1 | 14.3 | 8.8 |
| Average temperature (°C) | 1.2 | 4.1 | 10.4 | 13.3 | 17.4 | 22.1 | 25.1 | 26.5 | 22.7 | 15.5 | 8.7 | 3.6 |
| Average night temperature (°C) | -3.4 | -0.7 | 5.3 | 8.4 | 13.4 | 18.2 | 22.4 | 23.4 | 19.3 | 10.9 | 4.3 | -0.5 |
| Absolute minimum temperature (°C) | -12.5 | -5.7 | -4.2 | 0.3 | 6.4 | 15.0 | 18.1 | 21.4 | 14.7 | 5.6 | -5.1 | -10.5 |
| 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) | 7.7 | 7.7 | 8.7 | 7.7 | 7.7 | 8.8 | 6.8 | 9.9 | 7.6 | 8.6 | 8.1 | 7.1 |
| Precipitation (mm) | 50 | 40 | 74 | 96 | 213 | 215 | 364 | 314 | 277 | 10 | 50 | 75 |
| Sunny days | 26 | 19 | 21 | 14 | 11 | 12 | 4 | 5 | 10 | 25 | 22 | 19 |
| Rainy days | 5 | 9 | 10 | 16 | 20 | 18 | 27 | 26 | 20 | 6 | 8 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Kwallyul is at