Average annual temperature is 19.2 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -0.8 °C
Number of sunny days: 166 days
Number of rainy days: 199 days
Look at detailed online map of Colleton County
* Weather data for Colleton County 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) | 23.6 | 27.8 | 28.5 | 29.5 | 32.8 | 33.5 | 37.2 | 37.0 | 33.9 | 30.2 | 27.0 | 23.7 |
| Average daytime temperature (°C) | 17.7 | 21.1 | 21.9 | 25.2 | 26.4 | 30.1 | 34.1 | 33.6 | 29.8 | 25.0 | 19.4 | 16.8 |
| Average temperature (°C) | 11.9 | 15.1 | 15.9 | 18.9 | 20.8 | 24.3 | 27.8 | 27.4 | 23.6 | 19.0 | 13.8 | 11.4 |
| Average night temperature (°C) | 7.6 | 10.8 | 11.1 | 14.0 | 16.1 | 19.9 | 23.4 | 23.1 | 19.0 | 14.5 | 9.7 | 7.7 |
| Absolute minimum temperature (°C) | -0.8 | 0.7 | 1.1 | 6.3 | 10.0 | 14.5 | 20.8 | 20.4 | 15.4 | 9.2 | 0.3 | -0.4 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 6.8 | 7.9 | 8.8 | 10.2 | 9.6 | 10.5 | 11.2 | 11.2 | 10.3 | 8.9 | 6.9 | 6.6 |
| Precipitation (mm) | 112 | 111 | 61 | 102 | 126 | 151 | 187 | 151 | 76 | 77 | 62 | 132 |
| Sunny days | 16 | 15 | 17 | 11 | 7 | 7 | 5 | 7 | 18 | 22 | 20 | 21 |
| Rainy days | 15 | 13 | 14 | 19 | 24 | 23 | 26 | 24 | 12 | 9 | 10 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Colleton County is at