Joanna, SC has a humid subtropical climate with mild winters and hot, humid summers. The summers are typically long and hot, with temperatures reaching over 90 degrees Fahrenheit on most days. Rainfall is abundant throughout the year, with most of it occurring during the summer months. Winters are generally short and mild, with temperatures rarely dipping below freezing. Snow is rare, but there have been some instances where it has fallen in the past. Overall, Joanna is a pleasant place to visit year-round due to its temperate climate.
Joanna, South Carolina gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Joanna averages 1 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 218 sunny days per year in Joanna. The US average is 205 sunny days.
Joanna gets some kind of precipitation, on average, 110 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 92 degrees
Winter Low: the January low is 29
Rain: averages 46 inches of rain a year
Snow: averages 1 inches of snow a year