Port Royal, SC Weather
Port Royal, SC climate is hot during summer when temperatures tend to be in the 80's and cold during winter when temperatures tend to be in the 40's.
The warmest month of the year is July with an average maximum temperature of 89.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 38.60 degrees Fahrenheit.
Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 16 degrees Fahrenheit, and moderate during winter with an average difference of 20 degrees Fahrenheit.
The annual average precipitation at Port Royal is 49.78 Inches. Summer months tend to be wetter than winter months. The wettest month of the year is August with an average rainfall of 7.45 Inches.