Average annual temperature is 12.2 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -15.8 °C
Number of sunny days: 166 days
Number of rainy days: 183 days
Number of snow days: 16 days
Look at detailed online map of Changsu
* Weather data for Changsu 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) | 14.3 | 11.4 | 20.6 | 24.0 | 28.4 | 30.4 | 30.6 | 32.5 | 28.2 | 20.8 | 21.5 | 15.7 |
| Average daytime temperature (°C) | 2.7 | 6.5 | 14.2 | 16.4 | 21.0 | 25.6 | 27.0 | 28.6 | 25.0 | 17.9 | 10.3 | 4.9 |
| Average temperature (°C) | -1.4 | 1.3 | 8.2 | 11.1 | 16.4 | 20.6 | 23.7 | 24.6 | 20.9 | 13.1 | 5.8 | 1.3 |
| Average night temperature (°C) | -5.1 | -2.5 | 3.5 | 6.5 | 12.3 | 16.7 | 21.0 | 21.3 | 17.5 | 9.0 | 1.6 | -1.8 |
| Absolute minimum temperature (°C) | -15.8 | -7.5 | -4.6 | -1.7 | 3.9 | 13.3 | 17.2 | 16.8 | 12.1 | 4.6 | -7.9 | -12.7 |
| 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) | 6.9 | 7.3 | 8.8 | 7.6 | 7.9 | 9.2 | 6.9 | 9.6 | 7.6 | 8.7 | 7.5 | 5.8 |
| Precipitation (mm) | 48 | 24 | 48 | 105 | 178 | 262 | 519 | 298 | 183 | 19 | 102 | 119 |
| Sunny days | 19 | 20 | 22 | 14 | 17 | 11 | 1 | 1 | 10 | 20 | 18 | 13 |
| Rainy days | 4 | 6 | 9 | 16 | 14 | 19 | 30 | 30 | 20 | 11 | 12 | 12 |
| Snow days | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The largest precipitation sum in Changsu is at