Port Royal, South Carolina is located in the humid subtropical climate zone. Summers are hot and humid with temperatures reaching up to 90 degrees Fahrenheit, while winters are mild with temperatures rarely dropping below freezing. Rainfall is abundant throughout the year and averages about 45 inches annually, making it one of the wettest cities in the state. The area has a high number of thunderstorms, especially during the summer months. Port Royal also experiences hurricane season from June to October every year, which can bring damaging winds and flooding rains to the region.
Port Royal, South Carolina gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Port Royal averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 211 sunny days per year in Port Royal. The US average is 205 sunny days.
Port Royal gets some kind of precipitation, on average, 105 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 91 degrees
Winter Low: the January low is 39
Rain: averages 48 inches of rain a year
Snow: averages 0 inches of snow a year