Average annual temperature is 11.7 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -23.8 °C
Number of sunny days: 176 days
Number of rainy days: 170 days
Number of snow days: 19 days
Look at detailed online map of Wontongi
* Weather data for Wontongi 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) | 11.4 | 9.4 | 22.1 | 25.1 | 29.6 | 33.4 | 33.3 | 32.7 | 30.2 | 21.2 | 22.4 | 14.7 |
| Average daytime temperature (°C) | 0.2 | 5.4 | 13.7 | 17.0 | 22.7 | 26.0 | 28.6 | 29.0 | 25.4 | 17.8 | 8.5 | 2.9 |
| Average temperature (°C) | -4.4 | -0.1 | 7.3 | 11.5 | 17.3 | 21.4 | 24.8 | 25.0 | 21.2 | 13.1 | 4.0 | -1.0 |
| Average night temperature (°C) | -9.5 | -3.9 | 1.6 | 6.7 | 12.6 | 17.3 | 21.7 | 21.7 | 17.7 | 8.9 | -0.1 | -4.5 |
| Absolute minimum temperature (°C) | -23.8 | -7.7 | -5.4 | 1.0 | 4.8 | 14.0 | 18.3 | 17.2 | 12.0 | 4.3 | -8.9 | -16.0 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 7.2 | 8.4 | 9.2 | 7.4 | 9.0 | 9.4 | 7.6 | 8.1 | 7.3 | 8.0 | 7.0 | 6.0 |
| Precipitation (mm) | 41 | 2 | 22 | 107 | 152 | 228 | 443 | 347 | 171 | 33 | 115 | 91 |
| Sunny days | 17 | 23 | 23 | 15 | 20 | 10 | 4 | 5 | 7 | 19 | 15 | 18 |
| Rainy days | 4 | 1 | 8 | 15 | 11 | 20 | 27 | 26 | 23 | 12 | 13 | 10 |
| Snow days | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Wontongi is at