Average annual temperature is 12.2 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -18.8 °C
Number of sunny days: 176 days
Number of rainy days: 174 days
Number of snow days: 15 days
Look at detailed online map of Jeongsu
* Weather data for Jeongsu 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) | 11.2 | 10.4 | 24.5 | 26.6 | 30.4 | 34.6 | 32.9 | 33.5 | 30.1 | 21.5 | 22.4 | 15.7 |
| Average daytime temperature (°C) | 1.4 | 5.9 | 14.8 | 18.1 | 23.4 | 26.8 | 28.7 | 29.2 | 25.5 | 18.2 | 9.2 | 3.7 |
| Average temperature (°C) | -3.3 | 0.4 | 7.9 | 12.0 | 17.6 | 21.7 | 24.9 | 25.2 | 21.5 | 13.3 | 4.5 | -0.2 |
| Average night temperature (°C) | -7.8 | -3.4 | 2.3 | 7.1 | 12.5 | 17.3 | 21.9 | 21.9 | 18.1 | 8.8 | 0.1 | -3.8 |
| Absolute minimum temperature (°C) | -18.8 | -7.2 | -4.2 | 0.6 | 5.1 | 13.5 | 19.9 | 17.8 | 12.3 | 2.9 | -8.6 | -15.3 |
| 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 | 9.6 |
| 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 | 7.8 | 8.6 | 9.4 | 7.3 | 8.3 | 7.3 | 8.2 | 7.0 | 5.9 |
| Precipitation (mm) | 43 | 1 | 18 | 102 | 124 | 218 | 442 | 310 | 209 | 42 | 133 | 86 |
| Sunny days | 21 | 23 | 24 | 14 | 19 | 9 | 5 | 5 | 7 | 18 | 15 | 16 |
| Rainy days | 4 | 3 | 7 | 16 | 12 | 21 | 26 | 26 | 23 | 13 | 13 | 10 |
| Snow days | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Jeongsu is at