Average annual temperature is 14.2 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -11.8 °C
Number of sunny days: 199 days
Number of rainy days: 164 days
Number of snow days: 2 days
Look at detailed online map of Ondong
* Weather data for Ondong 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) | 16.2 | 12.8 | 23.2 | 24.0 | 26.0 | 30.3 | 31.7 | 33.9 | 30.0 | 24.1 | 25.4 | 18.3 |
| Average daytime temperature (°C) | 6.2 | 9.2 | 16.3 | 18.1 | 21.3 | 26.2 | 27.9 | 30.2 | 26.7 | 21.1 | 14.0 | 8.7 |
| Average temperature (°C) | 1.3 | 4.0 | 10.2 | 13.3 | 17.4 | 22.1 | 24.6 | 26.3 | 22.8 | 15.6 | 8.7 | 3.8 |
| Average night temperature (°C) | -2.8 | -0.4 | 5.1 | 9.0 | 13.8 | 19.0 | 22.1 | 23.0 | 19.4 | 10.8 | 4.3 | -0.1 |
| Absolute minimum temperature (°C) | -11.8 | -4.5 | -1.8 | 3.1 | 6.8 | 15.8 | 17.3 | 19.8 | 15.2 | 6.0 | -3.2 | -7.9 |
| 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 | 10.4 | 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) | 7.7 | 7.3 | 8.5 | 7.5 | 7.6 | 8.4 | 6.0 | 10.0 | 7.9 | 8.6 | 7.9 | 6.5 |
| Precipitation (mm) | 55 | 37 | 66 | 153 | 217 | 238 | 398 | 301 | 252 | 9 | 96 | 66 |
| Sunny days | 25 | 21 | 22 | 17 | 15 | 13 | 5 | 8 | 7 | 25 | 21 | 20 |
| Rainy days | 6 | 7 | 9 | 13 | 16 | 17 | 26 | 23 | 23 | 6 | 9 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Ondong during the most sunny months:
The largest precipitation sum in Ondong is at