Sweet spotPeak Apr, May, Oct. Go in Mar, Jun, Sep for similar weather.
2018–2023 averages, not a forecast. Wet days estimate days with at least 1 mm of rain or snow using a calibrated ERA5 threshold. Contains modified Copernicus Climate Change Service information. Weather data by Open-Meteo.com (AWS Open Data, CC BY 4.0). Sunny share of daylight does not describe nighttime visibility. Season bars and highlighted months are separate from these weather averages. ERA5 via Open-Meteo AWS Open Data
Check the forecast before getting on the road. Conditions can change rapidly within the park. Flooding can happen with little or no warning, so make sure to check water levels for Cedar Creek and the Congaree River.