Average annual temperature is 12.9 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -17.0 °C
Number of sunny days: 181 days
Number of rainy days: 173 days
Number of snow days: 11 days
Look at detailed online map of Ongneukchon
* Weather data for Ongneukchon 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) | 13.4 | 12.9 | 22.8 | 25.0 | 31.5 | 32.3 | 32.3 | 33.2 | 28.7 | 22.1 | 24.6 | 17.3 |
| Average daytime temperature (°C) | 2.9 | 6.7 | 15.6 | 18.3 | 23.0 | 27.6 | 29.0 | 29.8 | 25.4 | 18.7 | 10.7 | 4.9 |
| Average temperature (°C) | -1.5 | 1.5 | 9.1 | 12.3 | 17.8 | 22.3 | 24.7 | 25.5 | 21.6 | 14.1 | 6.1 | 1.0 |
| Average night temperature (°C) | -5.3 | -2.1 | 3.6 | 7.1 | 13.1 | 17.8 | 21.4 | 22.2 | 18.4 | 10.2 | 1.9 | -2.4 |
| Absolute minimum temperature (°C) | -17.0 | -7.7 | -3.8 | 0.7 | 4.4 | 13.4 | 16.9 | 17.7 | 13.7 | 4.5 | -8.2 | -13.7 |
| 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) | 7.1 | 7.5 | 8.9 | 8.2 | 8.2 | 10.0 | 7.4 | 9.2 | 7.4 | 8.9 | 7.5 | 6.2 |
| Precipitation (mm) | 48 | 14 | 49 | 52 | 123 | 240 | 442 | 314 | 226 | 14 | 47 | 119 |
| Sunny days | 22 | 19 | 20 | 15 | 16 | 11 | 3 | 5 | 10 | 23 | 18 | 19 |
| Rainy days | 6 | 6 | 11 | 15 | 15 | 19 | 28 | 26 | 20 | 8 | 12 | 7 |
| Snow days | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Ongneukchon is at