James Island, SC has a humid subtropical climate with hot and humid summers and cool winters. The average daily high temperature in the summer months is around 90 degrees Fahrenheit, while the average low temperature in the winter months is around 50 degrees Fahrenheit. Precipitation is abundant throughout the year, with an average of around 5 inches of rain per month. The island also experiences occasional storms, such as tropical storms and hurricanes, during the late summer and early fall.
James Island, South Carolina gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
James Island 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 James Island. The US average is 205 sunny days.
James Island gets some kind of precipitation, on average, 106 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 90 degrees
Winter Low: the January low is 39
Rain: averages 48 inches of rain a year
Snow: averages 0 inches of snow a year