Average annual temperature is 12.3 °C
Absolute maximum temperature: 28.7 °C
Absolute minimum temperature: -12.4 °C
Number of sunny days: 197 days
Number of rainy days: 151 days
Number of snow days: 17 days
Look at detailed online map of Ongjin-gun
* Weather data for Ongjin-gun 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) | 7.7 | 5.9 | 10.2 | 13.5 | 18.3 | 21.4 | 26.4 | 28.7 | 26.0 | 22.3 | 19.8 | 13.0 |
| Average daytime temperature (°C) | 1.9 | 2.9 | 6.4 | 10.3 | 14.5 | 18.5 | 23.1 | 25.9 | 23.9 | 18.9 | 11.1 | 5.4 |
| Average temperature (°C) | 0.2 | 1.6 | 5.1 | 9.1 | 13.2 | 17.4 | 22.2 | 24.8 | 22.9 | 17.6 | 9.1 | 3.6 |
| Average night temperature (°C) | -2.1 | 0.1 | 3.7 | 7.9 | 12.1 | 16.3 | 21.3 | 23.9 | 21.8 | 15.8 | 6.6 | 1.4 |
| Absolute minimum temperature (°C) | -12.4 | -3.2 | 0.7 | 5.9 | 8.0 | 13.5 | 18.7 | 22.1 | 18.9 | 12.6 | -2.0 | -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 | 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 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 7.1 | 8.6 | 9.2 | 8.1 | 8.5 | 9.6 | 8.0 | 9.0 | 7.9 | 8.6 | 7.0 | 5.5 |
| Precipitation (mm) | 52 | 2 | 23 | 80 | 119 | 122 | 305 | 218 | 112 | 43 | 88 | 85 |
| Sunny days | 18 | 27 | 24 | 15 | 22 | 17 | 11 | 16 | 10 | 16 | 9 | 12 |
| Rainy days | 5 | 1 | 7 | 15 | 9 | 13 | 20 | 15 | 20 | 15 | 20 | 11 |
| Snow days | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 |
The largest precipitation sum in Ongjin-gun is at