Average annual temperature is 12.1 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -23.3 °C
Number of sunny days: 181 days
Number of rainy days: 170 days
Number of snow days: 14 days
Look at detailed online map of Onsu-dong
* Weather data for Onsu-dong 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) | 11.4 | 10.4 | 22.6 | 25.8 | 28.2 | 34.6 | 33.1 | 33.7 | 30.6 | 22.1 | 22.5 | 15.2 |
| Average daytime temperature (°C) | 1.1 | 6.1 | 14.3 | 17.6 | 23.1 | 26.8 | 28.8 | 29.4 | 26.1 | 18.8 | 9.1 | 3.8 |
| Average temperature (°C) | -3.9 | 0.4 | 7.3 | 11.7 | 17.4 | 21.8 | 25.1 | 25.5 | 21.8 | 13.4 | 4.3 | -0.4 |
| Average night temperature (°C) | -8.7 | -3.5 | 1.5 | 6.7 | 12.2 | 17.5 | 22.2 | 22.2 | 18.2 | 8.8 | 0.1 | -4.2 |
| Absolute minimum temperature (°C) | -23.3 | -6.7 | -4.4 | -0.8 | 4.7 | 12.7 | 19.0 | 17.3 | 11.8 | 2.6 | -8.2 | -15.2 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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 | 8.3 | 9.1 | 7.3 | 9.3 | 9.2 | 7.7 | 8.3 | 7.7 | 8.2 | 6.9 | 6.2 |
| Precipitation (mm) | 44 | 2 | 20 | 116 | 160 | 278 | 431 | 337 | 140 | 26 | 108 | 76 |
| Sunny days | 18 | 25 | 23 | 14 | 20 | 9 | 6 | 7 | 8 | 18 | 15 | 18 |
| Rainy days | 4 | 3 | 8 | 16 | 11 | 21 | 25 | 24 | 22 | 13 | 13 | 10 |
| Snow days | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Onsu-dong is at