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Rock Hill May Weather

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

Typical Rock Hill May Weather 1991–2020
Average daily high	81.3 °F
Average daily low	59.3 °F
Average monthly precipitation	3.2 inches
Average monthly snow	none
Daily chance of precipitation	26.4%
Daily chance of snow	0%

Rock Hill May Weather Records 1899–2024
Highest temperature	100 °F	May 23, 1941
Lowest temperature	34 °F	May 9, 1989
Highest daily low	83 °F	May 28, 1941
Lowest daily high	48 °F	May 8, 1928
Hottest average high temperature	88.4 °F	1962
Coldest average high temperature	74.7 °F	1917
Most daily precipitation	6.2 inches	May 1, 2016
Most monthly precipitation	13.1 inches	1901
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
May 1	77.9	54.7	92	38
May 2	78.1	55.0	91	36
May 3	78.3	55.4	93	39
May 4	78.5	55.6	93	37
May 5	78.6	55.8	96	38
May 6	78.8	56.0	92	40
May 7	79.0	56.3	95	40
May 8	79.3	56.7	96	41
May 9	79.5	57.0	96	34
May 10	79.8	57.3	95	35
May 11	80.1	57.5	98	39
May 12	80.4	57.9	95	38
May 13	80.7	58.3	92	40
May 14	80.9	58.6	95	41
May 15	81.1	58.9	95	41
May 16	81.3	59.2	95	43
May 17	81.6	59.5	94	42
May 18	81.8	59.8	96	40
May 19	82.0	60.1	95	42
May 20	82.3	60.4	97	43
May 21	82.6	60.8	98	43
May 22	82.9	61.1	99	42
May 23	83.0	61.4	100	45
May 24	83.1	61.6	98	41
May 25	83.3	61.8	95	45
May 26	83.5	62.1	99	42
May 27	83.8	62.4	100	38
May 28	84.1	62.7	99	43
May 29	84.3	63.0	99	47
May 30	84.6	63.4	97	48
May 31	84.8	63.7	97	42

Weather Station Details

Years	Station	Coordinates
1899–2024	Winthrop University	location