 In recent years, average temperatures in the county seat of Greenville have ranged from a low of in January to a high of in July, although a record low of was recorded in February 1905 and a record high of was recorded in July 1954.Average monthly precipitation ranged from in February to in May.As of the 2010 United States Census, there were 17,768 people, 6,427 households, and 4,340 families residing in the county.