Average annual temperature is 13.5 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -15.4 °C
Number of sunny days: 184 days
Number of rainy days: 172 days
Number of snow days: 9 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) | 14.7 | 11.9 | 25.5 | 27.3 | 30.9 | 34.4 | 33.2 | 34.0 | 30.4 | 22.3 | 23.5 | 17.4 |
| Average daytime temperature (°C) | 3.7 | 7.1 | 16.3 | 19.0 | 23.9 | 28.4 | 29.1 | 30.3 | 26.3 | 19.5 | 11.4 | 6.0 |
| Average temperature (°C) | -0.7 | 1.7 | 9.5 | 12.9 | 18.2 | 22.7 | 25.3 | 26.1 | 22.1 | 14.2 | 6.7 | 2.2 |
| Average night temperature (°C) | -4.8 | -2.1 | 3.7 | 7.8 | 13.1 | 18.1 | 22.3 | 22.5 | 18.6 | 9.7 | 2.2 | -1.5 |
| Absolute minimum temperature (°C) | -15.4 | -6.1 | -2.9 | 1.2 | 4.5 | 13.4 | 19.0 | 16.5 | 12.7 | 4.9 | -7.1 | -12.3 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.4 | 9.0 | 7.5 | 8.3 | 10.1 | 7.1 | 9.3 | 7.3 | 8.8 | 7.1 | 5.7 |
| Precipitation (mm) | 39 | 7 | 25 | 77 | 133 | 213 | 523 | 347 | 243 | 17 | 68 | 101 |
| Sunny days | 21 | 20 | 22 | 13 | 20 | 13 | 3 | 4 | 10 | 23 | 18 | 17 |
| Rainy days | 6 | 7 | 9 | 17 | 11 | 17 | 28 | 27 | 20 | 8 | 12 | 10 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Ondong during the most sunny months:
The largest precipitation sum in Ondong is at