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Rock Hill August Weather

Averages and records for weather in Rock Hill, South Carolina in the month of August.

Typical Rock Hill August Weather 1991–2020
Average daily high	88.9 °F
Average daily low	69.5 °F
Average monthly precipitation	3.7 inches
Average monthly snow	none
Daily chance of precipitation	29.7%
Daily chance of snow	0%

Rock Hill August Weather Records 1899–2024
Highest temperature	106 °F	August 10, 2007
Lowest temperature	49 °F	August 26, 1942
Highest daily low	85 °F	August 23, 1945
Lowest daily high	64 °F	August 21, 1949
Hottest average high temperature	95.4 °F	1900
Coldest average high temperature	83.9 °F	1981
Most daily precipitation	6.0 inches	August 23, 1967
Most monthly precipitation	13.8 inches	1970
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	90.4	70.5	102	58
August 2	90.4	70.4	100	61
August 3	90.2	70.4	100	61
August 4	90.2	70.4	100	58
August 5	90.1	70.3	99	55
August 6	90.0	70.3	102	56
August 7	89.9	70.2	102	54
August 8	89.8	70.2	101	57
August 9	89.7	70.1	103	59
August 10	89.6	70.0	106	58
August 11	89.5	69.9	100	61
August 12	89.4	69.7	101	58
August 13	89.3	69.7	102	57
August 14	89.2	69.6	101	58
August 15	89.2	69.5	100	58
August 16	89.1	69.5	103	59
August 17	89.1	69.5	100	58
August 18	89.0	69.4	104	61
August 19	88.9	69.3	101	60
August 20	88.8	69.2	106	58
August 21	88.7	69.0	106	55
August 22	88.6	68.9	103	53
August 23	88.4	68.8	103	51
August 24	88.3	68.6	100	55
August 25	88.2	68.5	100	51
August 26	88.1	68.2	99	49
August 27	87.9	68.1	100	52
August 28	87.8	67.9	98	54
August 29	87.7	67.7	101	52
August 30	87.6	67.5	102	54
August 31	87.5	67.3	100	53

Weather Station Details

Years	Station	Coordinates
1899–2024	Winthrop University	location