Highest Daily Low Temperatures in Sumter History

This is a list of the hottest daily low temperatures ever recorded in Sumter, South Carolina history from 1901–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Sumter

The highest low temperature for a calendar day in Sumter, South Carolina history was 86 °F which happened on Monday, June 30, 1902.

Rank	Temperature	Date
1	86 °F	June 30, 1902
2	84 °F	July 11, 2012
3	83 °F	August 1, 1913
4	81 °F	June 19, 1943
5	80 °F	August 9, 2007
5	80 °F	July 26, 1913
5	80 °F	July 16, 1913
5	80 °F	July 14, 1913
5	80 °F	July 12, 1913
5	80 °F	June 26, 1913
5	80 °F	June 24, 1913
5	80 °F	June 22, 1913
5	80 °F	June 16, 1913
5	80 °F	May 31, 1913
5	80 °F	July 19, 1904
5	80 °F	July 2, 1902
5	80 °F	July 1, 1902
18	79 °F	August 15, 2023
18	79 °F	August 10, 2007
18	79 °F	July 9, 1978
18	79 °F	June 28, 1951
18	79 °F	June 27, 1951
18	79 °F	June 23, 1951
18	79 °F	July 4, 1943
18	79 °F	July 18, 1913
18	79 °F	July 13, 1913
18	79 °F	July 6, 1913
18	79 °F	June 26, 1902