Rock Hill climate — normals and trends

Q: What is the climate of Rock Hill?

Rock Hill has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.1 °C and it receives 1,091 mm of precipitation per year.

Q: What is the hottest day ever recorded in Rock Hill?

The hottest day measured in Rock Hill between 1940 and 2025 was 29 June 2012, reaching 41.2 °C.

Q: What is the coldest day in Rock Hill?

The coldest day measured in Rock Hill between 1940 and 2025 was 21 January 1985, at -19.7 °C.

Q: Does it snow in Rock Hill?

Yes. Rock Hill gets on average 11.0 cm of snow per year and has around 46 frost days.

Q: Has the climate of Rock Hill warmed?

Yes: Rock Hill warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Rock Hill?

The wettest day measured in Rock Hill between 1940 and 2025 was 8 October 2016, with 131 mm of rain in 24 hours.

Q: What was the windiest day in Rock Hill?

The windiest day measured in Rock Hill between 1940 and 2025 was 22 September 1989, with winds reaching 70.5 km/h.

Q: What is the warmest month in Rock Hill?

The warmest month in Rock Hill is July (26.1 °C on average); the coldest is January (5.5 °C).

Q: How much does it rain in Rock Hill?

Rock Hill receives on average 1,091 mm of precipitation per year, spread over about 118 rainy days.

Q: Is it sunny in Rock Hill?

Rock Hill gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

Rock Hill (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.1 °C and it receives 1,091 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is July (26.1 °C on average) and the coldest is January (5.5 °C). Rainfall peaks in March.

Rock Hill averages 46 frost days, 73 hot days (≥ 30 °C) and 118 rainy days per year.

Rock Hill has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The number of frost days there went from about 51 to 41 per year over the period.

The hottest day of the period reached 41.2 °C (on 29 June 2012) and the coldest -19.7 °C (on 21 January 1985).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

Rock HillSouth Carolina

coords: 34.92°, -81.03°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthMarchDriest monthOctober

Mean daily temperature

16.1°C

Average daily high

21.7°C

Average daily low

11.2°C

Annual rainfall

1,091mm

Sunshine / day

9.2h

Mean relative humidity

70%

Average peak wind

14.1km/h

Seasonal range

20.6°C

Frost days (< 0 °C)

46 d/yr

Hot days (≥ 30 °C)

73 d/yr

Rainy days (≥ 1 mm)

118 d/yr

Annual snowfall

11.0 cm

Average feels-like high

21.8 °C

Average feels-like low

10.1 °C

Average peak gust

33.3 km/h

Tropical nights (≥ 20 °C)

80 d/yr

Solar radiation

16.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.31 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

41.2 °C

29 June 2012

Coldest day

-19.7 °C

21 January 1985

Wettest day

131 mm

8 October 2016

Windiest day

70.5 km/h

22 September 1989

Strongest gust

165.2 km/h

22 September 1989

Hottest feels-like

44.6 °C

21 August 1983

Coldest feels-like

-25.9 °C

21 January 1985

Snowiest day

27.3 cm

9 February 1948

Sunniest day

14.2 h

26 June 2012

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.8 °C27 July 2025	-8.8 °C23 January 2025	17.0 °C	948 mm	77	44
2024	36.0 °C26 June 2024	-7.5 °C21 January 2024	16.9 °C	1,241 mm	62	39
2023	35.6 °C26 August 2023	-5.7 °C29 November 2023	17.1 °C	1,126 mm	64	28
2022	38.6 °C15 June 2022	-11.8 °C24 December 2022	17.1 °C	1,094 mm	100	41
2021	35.8 °C13 August 2021	-4.5 °C24 November 2021	17.2 °C	971 mm	91	29
2020	35.2 °C19 July 2020	-7.3 °C26 December 2020	17.2 °C	1,616 mm	75	26
2019	35.9 °C3 October 2019	-6.2 °C30 January 2019	17.6 °C	1,045 mm	111	24
2018	37.4 °C25 June 2018	-12.0 °C18 January 2018	17.2 °C	1,375 mm	113	40
2017	37.6 °C23 July 2017	-6.0 °C9 January 2017	17.7 °C	1,056 mm	88	27
2016	37.8 °C8 July 2016	-7.7 °C19 January 2016	17.5 °C	1,013 mm	101	36
2015	37.8 °C10 July 2015	-13.3 °C20 February 2015	17.4 °C	1,134 mm	111	43
2014	35.2 °C3 September 2014	-13.3 °C7 January 2014	16.0 °C	950 mm	84	50
2013	34.7 °C13 June 2013	-6.6 °C2 February 2013	16.0 °C	1,250 mm	60	55
2012	41.2 °C29 June 2012	-7.3 °C4 January 2012	17.5 °C	866 mm	80	27
2011	37.8 °C1 June 2011	-8.3 °C14 January 2011	17.1 °C	905 mm	105	41
2010	38.3 °C25 July 2010	-9.9 °C15 December 2010	16.4 °C	863 mm	116	65
2009	36.8 °C10 August 2009	-10.8 °C17 January 2009	16.4 °C	1,190 mm	83	46
2008	38.4 °C8 June 2008	-8.1 °C4 January 2008	16.5 °C	971 mm	90	44
2007	41.1 °C9 August 2007	-6.8 °C18 December 2007	17.5 °C	855 mm	105	43
2006	36.3 °C15 July 2006	-8.9 °C9 December 2006	16.5 °C	1,087 mm	68	34
2005	37.5 °C26 July 2005	-8.5 °C24 January 2005	16.4 °C	1,078 mm	80	43
2004	37.1 °C14 July 2004	-8.6 °C20 December 2004	16.4 °C	891 mm	68	58
2003	34.1 °C27 August 2003	-12.1 °C24 January 2003	15.5 °C	1,274 mm	42	51
2002	38.8 °C30 July 2002	-8.4 °C4 January 2002	16.7 °C	1,108 mm	95	45
2001	36.1 °C10 August 2001	-8.6 °C3 January 2001	16.5 °C	768 mm	63	39
2000	36.7 °C18 August 2000	-9.3 °C27 January 2000	15.7 °C	901 mm	66	52
1999	37.9 °C31 July 1999	-8.5 °C6 January 1999	16.5 °C	914 mm	76	42
1998	38.0 °C27 June 1998	-7.5 °C13 March 1998	17.2 °C	1,158 mm	101	27
1997	37.7 °C4 July 1997	-8.7 °C18 January 1997	15.6 °C	1,066 mm	61	37
1996	36.2 °C23 June 1996	-12.2 °C5 February 1996	15.2 °C	1,293 mm	50	62
1995	36.7 °C14 August 1995	-11.6 °C9 February 1995	15.9 °C	1,424 mm	64	54
1994	34.5 °C22 June 1994	-13.3 °C16 January 1994	16.2 °C	1,185 mm	60	38
1993	38.4 °C10 July 1993	-7.0 °C15 March 1993	16.2 °C	1,126 mm	92	44
1992	38.2 °C12 July 1992	-6.3 °C25 December 1992	15.8 °C	1,286 mm	65	41
1991	36.6 °C24 July 1991	-10.2 °C16 February 1991	16.7 °C	1,140 mm	77	35
1990	37.4 °C30 June 1990	-5.3 °C26 February 1990	17.4 °C	1,067 mm	88	25
1989	35.3 °C10 July 1989	-11.8 °C23 December 1989	15.7 °C	1,393 mm	72	50
1988	40.4 °C18 August 1988	-14.2 °C12 January 1988	15.5 °C	936 mm	86	59
1987	38.1 °C23 July 1987	-6.2 °C27 January 1987	15.9 °C	1,130 mm	81	46
1986	39.6 °C19 July 1986	-13.4 °C28 January 1986	16.9 °C	924 mm	106	48
1985	36.3 °C4 June 1985	-19.7 °C21 January 1985	15.9 °C	1,205 mm	53	59
1984	34.6 °C19 June 1984	-11.1 °C22 January 1984	15.7 °C	1,197 mm	60	49
1983	39.4 °C21 August 1983	-15.1 °C25 December 1983	15.2 °C	1,280 mm	73	49
1982	33.6 °C14 May 1982	-15.0 °C11 January 1982	15.6 °C	1,168 mm	43	48
1981	39.0 °C22 June 1981	-13.1 °C5 January 1981	15.5 °C	906 mm	85	64
1980	39.4 °C17 July 1980	-14.6 °C3 March 1980	15.6 °C	999 mm	97	53
1979	37.7 °C9 August 1979	-10.9 °C9 February 1979	15.2 °C	1,180 mm	44	65
1978	38.8 °C28 June 1978	-12.7 °C11 January 1978	15.5 °C	1,109 mm	69	65
1977	40.2 °C9 July 1977	-13.0 °C17 January 1977	16.3 °C	919 mm	97	64
1976	35.2 °C24 July 1976	-12.8 °C19 January 1976	15.2 °C	1,107 mm	51	60
1975	35.5 °C26 August 1975	-10.6 °C19 December 1975	16.4 °C	1,177 mm	69	39
1974	35.0 °C22 June 1974	-7.2 °C27 February 1974	16.3 °C	1,130 mm	44	29
1973	34.5 °C29 August 1973	-11.7 °C14 January 1973	16.0 °C	1,192 mm	56	47
1972	35.8 °C19 August 1972	-11.4 °C17 January 1972	15.7 °C	1,106 mm	65	39
1971	33.6 °C6 June 1971	-8.5 °C21 January 1971	16.0 °C	1,323 mm	47	54
1970	37.5 °C4 July 1970	-13.1 °C9 January 1970	16.2 °C	994 mm	100	57
1969	35.9 °C28 June 1969	-11.8 °C6 January 1969	15.1 °C	904 mm	66	71
1968	36.4 °C22 August 1968	-8.0 °C12 February 1968	15.3 °C	975 mm	63	76
1967	33.4 °C25 June 1967	-11.8 °C26 February 1967	15.3 °C	1,025 mm	37	49
1966	35.9 °C14 July 1966	-16.4 °C31 January 1966	15.2 °C	1,001 mm	61	52
1965	33.5 °C18 August 1965	-11.2 °C19 January 1965	15.7 °C	863 mm	54	52
1964	36.6 °C21 June 1964	-7.8 °C19 December 1964	15.7 °C	1,470 mm	61	41
1963	35.2 °C10 June 1963	-13.2 °C27 February 1963	15.2 °C	1,041 mm	58	67
1962	35.7 °C16 July 1962	-16.1 °C13 December 1962	15.6 °C	1,088 mm	74	45
1961	33.8 °C31 July 1961	-9.2 °C22 January 1961	15.5 °C	1,200 mm	62	52
1960	34.7 °C24 June 1960	-13.6 °C6 March 1960	15.2 °C	1,062 mm	78	72
1959	37.8 °C29 June 1959	-8.9 °C18 January 1959	16.3 °C	1,474 mm	63	41
1958	36.6 °C14 June 1958	-13.3 °C18 February 1958	15.1 °C	1,040 mm	73	61
1957	36.3 °C14 July 1957	-10.7 °C12 December 1957	16.4 °C	1,167 mm	74	36
1956	37.0 °C6 August 1956	-5.7 °C25 November 1956	16.4 °C	1,034 mm	87	41
1955	34.9 °C3 July 1955	-10.7 °C13 February 1955	16.1 °C	969 mm	75	55
1954	39.4 °C27 June 1954	-6.6 °C14 January 1954	16.4 °C	836 mm	106	57
1953	38.8 °C31 July 1953	-8.5 °C18 December 1953	17.1 °C	945 mm	104	34
1952	38.7 °C29 July 1952	-7.2 °C30 January 1952	16.3 °C	1,038 mm	86	36
1951	37.6 °C9 August 1951	-8.1 °C17 December 1951	16.3 °C	929 mm	84	44
1950	37.7 °C27 June 1950	-8.8 °C25 November 1950	16.2 °C	907 mm	57	48
1949	36.7 °C27 July 1949	-5.4 °C17 December 1949	16.9 °C	1,146 mm	61	29
1948	37.0 °C29 August 1948	-9.5 °C15 January 1948	16.1 °C	1,385 mm	64	43
1947	36.0 °C31 July 1947	-7.7 °C9 February 1947	15.0 °C	1,154 mm	65	62
1946	33.2 °C8 July 1946	-7.5 °C2 January 1946	15.9 °C	1,174 mm	26	37
1945	37.1 °C29 June 1945	-10.0 °C17 December 1945	15.6 °C	1,311 mm	43	45
1944	36.6 °C23 June 1944	-4.6 °C13 February 1944	15.9 °C	1,101 mm	58	35
1943	36.4 °C27 August 1943	-5.3 °C15 February 1943	15.6 °C	925 mm	70	39
1942	36.0 °C20 July 1942	-5.8 °C11 January 1942	15.9 °C	991 mm	46	46
1941	34.7 °C29 May 1941	-4.5 °C9 February 1941	16.0 °C	966 mm	54	48
1940	35.4 °C27 July 1940	-19.6 °C28 January 1940	14.9 °C	1,058 mm	34	48

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

22.6 °C

+0.9 °C

Hot days (≥ 30 °C)

77 d/yr

Frost days (< 0 °C)

44 d/yr

-2

Annual rainfall

948 mm

-143 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.0 °C	-1.8 °C	44 mm	-50 mm
Feb	15.2 °C	+2.3 °C	61 mm	-31 mm
Mar	20.7 °C	+3.6 °C	61 mm	-47 mm
Apr	24.6 °C	+2.3 °C	88 mm	+4 mm
May	25.8 °C	-0.7 °C	139 mm	+57 mm
Jun	31.5 °C	+1.4 °C	100 mm	+12 mm
Jul	33.8 °C	+2.3 °C	99 mm	-7 mm
Aug	28.2 °C	-2.4 °C	185 mm	+81 mm
Sep	28.5 °C	+0.9 °C	32 mm	-60 mm
Oct	22.2 °C	-0.1 °C	68 mm	-7 mm
Nov	19.2 °C	+2.4 °C	16 mm	-62 mm
Dec	12.8 °C	+0.7 °C	55 mm	-33 mm

The year's extremes

Hottest day

37.8 °C

27 Jul 2025

Coldest day

-8.8 °C

23 Jan 2025

Wettest day

51.2 mm

5 Aug 2025

Windiest day

30.9 km/h

16 Feb 2025

Strongest gust

100.8 km/h

16 Feb 2025

Hottest feels-like

42.9 °C

27 Jul 2025

Coldest feels-like

-13.1 °C

15 Dec 2025

Snowiest day

3.3 cm

10 Jan 2025

Sunniest day

14.1 h

20 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Rock Hill?

Rock Hill has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.1 °C and it receives 1,091 mm of precipitation per year.

What is the hottest day ever recorded in Rock Hill?

The hottest day measured in Rock Hill between 1940 and 2025 was 29 June 2012, reaching 41.2 °C.

What is the coldest day in Rock Hill?

The coldest day measured in Rock Hill between 1940 and 2025 was 21 January 1985, at -19.7 °C.

Does it snow in Rock Hill?

Yes. Rock Hill gets on average 11.0 cm of snow per year and has around 46 frost days.

Has the climate of Rock Hill warmed?

Yes: Rock Hill warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Rock Hill?

The wettest day measured in Rock Hill between 1940 and 2025 was 8 October 2016, with 131 mm of rain in 24 hours.

What was the windiest day in Rock Hill?

The windiest day measured in Rock Hill between 1940 and 2025 was 22 September 1989, with winds reaching 70.5 km/h.

What is the warmest month in Rock Hill?

The warmest month in Rock Hill is July (26.1 °C on average); the coldest is January (5.5 °C).

How much does it rain in Rock Hill?

Rock Hill receives on average 1,091 mm of precipitation per year, spread over about 118 rainy days.

Is it sunny in Rock Hill?

Rock Hill gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

What is the biggest single-day snowfall in Rock Hill?

The heaviest 24-hour snowfall measured in Rock Hill between 1940 and 2025 was 9 February 1948, with 27.3 cm.

Are there tropical nights in Rock Hill?

Yes: Rock Hill has on average 80 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Rock Hill?

In Rock Hill, between 1940 and 2025, the highest apparent temperature reached 44.6 °C on 21 August 1983, and the lowest was -25.9 °C on 21 January 1985.

Compare Rock Hill with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Rock Hill

Other cities — United States

All cities in United States →