Port Royal, SC has a humid subtropical climate characterized by hot and humid summers and mild winters. The average high temperature in the summer months reaches the mid-80s Fahrenheit while the winter months are much cooler with an average high temperature of around 65 degrees Fahrenheit. The area receives plenty of precipitation throughout the year with an annual average of just over 50 inches per year. Summer thunderstorms are common in this region, bringing heavy rainfall and strong winds at times.
Port Royal (zip 29935), South Carolina gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Port Royal (zip 29935) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 214 sunny days per year in Port Royal (zip 29935). The US average is 205 sunny days.
Port Royal (zip 29935) gets some kind of precipitation, on average, 104 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