Average annual temperature is 13.5 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -12.5 °C
Number of sunny days: 206 days
Number of rainy days: 155 days
Number of snow days: 4 days
Look at detailed online map of Oesong
* Weather data for Oesong 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) | 16.1 | 15.1 | 23.4 | 24.9 | 29.8 | 33.2 | 32.1 | 34.1 | 30.1 | 23.2 | 24.8 | 17.2 |
| Average daytime temperature (°C) | 6.1 | 9.3 | 17.2 | 18.4 | 22.1 | 27.2 | 27.7 | 29.6 | 26.1 | 20.0 | 13.1 | 7.6 |
| Average temperature (°C) | 0.6 | 3.3 | 9.8 | 12.4 | 16.9 | 21.7 | 24.2 | 25.5 | 21.9 | 14.1 | 7.5 | 2.8 |
| Average night temperature (°C) | -3.6 | -1.4 | 3.7 | 7.0 | 12.5 | 17.2 | 21.4 | 22.1 | 18.5 | 9.3 | 2.9 | -0.9 |
| Absolute minimum temperature (°C) | -12.5 | -5.3 | -4.6 | 0.1 | 6.3 | 13.7 | 17.9 | 18.9 | 14.3 | 4.2 | -4.2 | -8.7 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 7.5 | 8.7 | 8.0 | 7.8 | 9.2 | 6.4 | 9.8 | 7.5 | 8.5 | 8.0 | 6.7 |
| Precipitation (mm) | 57 | 26 | 53 | 120 | 236 | 171 | 289 | 317 | 177 | 10 | 81 | 81 |
| Sunny days | 26 | 19 | 23 | 15 | 16 | 16 | 5 | 7 | 12 | 25 | 22 | 20 |
| Rainy days | 4 | 8 | 8 | 15 | 15 | 14 | 26 | 24 | 18 | 6 | 8 | 9 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Oesong is at