Average annual temperature is 20.6 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: -1.0 °C
Number of sunny days: 173 days
Number of rainy days: 192 days
Look at detailed online map of Grangeburg
* Weather data for Grangeburg United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25.6 | 28.2 | 29.5 | 31.6 | 34.2 | 35.5 | 36.4 | 39.0 | 34.1 | 30.4 | 26.7 | 24.4 |
| Average daytime temperature (°C) | 19.3 | 22.4 | 24.1 | 26.9 | 29.0 | 31.5 | 33.2 | 35.8 | 31.0 | 25.9 | 20.2 | 16.6 |
| Average temperature (°C) | 13.4 | 16.3 | 17.8 | 20.4 | 22.9 | 25.9 | 27.9 | 29.7 | 25.4 | 20.2 | 14.8 | 11.9 |
| Average night temperature (°C) | 8.8 | 11.9 | 12.8 | 15.0 | 17.6 | 21.3 | 23.7 | 24.9 | 20.7 | 15.1 | 10.4 | 7.8 |
| Absolute minimum temperature (°C) | -0.8 | 0.9 | 0.2 | 9.4 | 10.2 | 18.8 | 21.1 | 22.8 | 16.7 | 9.0 | 1.0 | -1.0 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.3 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.2 | 7.7 | 8.8 | 9.3 | 10.7 | 10.6 | 11.3 | 11.0 | 9.8 | 9.2 | 7.0 | 6.4 |
| Precipitation (mm) | 187 | 68 | 154 | 97 | 102 | 126 | 137 | 81 | 128 | 58 | 98 | 131 |
| Sunny days | 15 | 12 | 16 | 14 | 13 | 8 | 6 | 8 | 18 | 25 | 18 | 20 |
| Rainy days | 16 | 16 | 15 | 16 | 18 | 22 | 25 | 23 | 12 | 6 | 12 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grangeburg is at