Average annual temperature is 12.9 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -18.2 °C
Number of sunny days: 192 days
Number of rainy days: 164 days
Number of snow days: 9 days
Look at detailed online map of Opyeong
* Weather data for Opyeong 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) | 14.5 | 14.1 | 22.3 | 24.0 | 30.4 | 32.9 | 33.5 | 35.8 | 29.4 | 23.8 | 24.3 | 16.8 |
| Average daytime temperature (°C) | 2.6 | 5.8 | 13.1 | 16.1 | 21.6 | 25.3 | 29.3 | 28.0 | 24.1 | 19.9 | 11.5 | 4.3 |
| Average temperature (°C) | -1.6 | 1.5 | 8.5 | 12.1 | 17.5 | 21.5 | 25.9 | 25.1 | 21.1 | 15.1 | 6.9 | 0.5 |
| Average night temperature (°C) | -5.4 | -2.2 | 4.2 | 8.4 | 13.6 | 18.2 | 23.2 | 22.7 | 18.2 | 11.1 | 3.0 | -2.9 |
| Absolute minimum temperature (°C) | -18.2 | -9.0 | -3.4 | 3.4 | 4.8 | 13.6 | 19.8 | 16.4 | 12.3 | 6.7 | -6.3 | -15.4 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 7.5 | 7.5 | 8.5 | 8.0 | 9.4 | 9.9 | 8.3 | 7.1 | 7.4 | 8.4 | 6.9 | 6.1 |
| Precipitation (mm) | 76 | 24 | 13 | 81 | 95 | 146 | 154 | 420 | 153 | 46 | 73 | 164 |
| Sunny days | 23 | 20 | 24 | 12 | 18 | 13 | 8 | 7 | 12 | 15 | 20 | 20 |
| Rainy days | 3 | 4 | 7 | 18 | 13 | 17 | 23 | 24 | 18 | 16 | 10 | 11 |
| Snow days | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Opyeong during the most sunny months:
The largest precipitation sum in Opyeong is at