Mt. Pleasant climate — normals and trends

Q: What is the climate of Mt. Pleasant?

Mt. Pleasant has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,251 mm of precipitation per year.

Q: What is the hottest day ever recorded in Mt. Pleasant?

The hottest day measured in Mt. Pleasant between 1940 and 2025 was 1 August 1999, reaching 34.0 °C.

Q: What is the coldest day in Mt. Pleasant?

The coldest day measured in Mt. Pleasant between 1940 and 2025 was 21 January 1985, at -8.0 °C.

Q: Does it snow in Mt. Pleasant?

Almost never: Mt. Pleasant sees virtually no snow, with about 2 frost days per year.

Q: Has the climate of Mt. Pleasant warmed?

Yes: Mt. Pleasant warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Mt. Pleasant?

The wettest day measured in Mt. Pleasant between 1940 and 2025 was 5 September 2019, with 242 mm of rain in 24 hours.

Q: What was the windiest day in Mt. Pleasant?

The windiest day measured in Mt. Pleasant between 1940 and 2025 was 21 September 1989, with winds reaching 113.8 km/h.

Q: What is the warmest month in Mt. Pleasant?

The warmest month in Mt. Pleasant is July (27.0 °C on average); the coldest is January (11.6 °C).

Q: How much does it rain in Mt. Pleasant?

Mt. Pleasant receives on average 1,251 mm of precipitation per year, spread over about 130 rainy days.

Q: Is it sunny in Mt. Pleasant?

Mt. Pleasant gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Mt. Pleasant (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.5 °C and it receives 1,251 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 (27.0 °C on average) and the coldest is January (11.6 °C). Rainfall peaks in August.

Mt. Pleasant averages 2 frost days, 11 hot days (≥ 30 °C) and 130 rainy days per year.

Mt. Pleasant has warmed by +0.5 °C between 1940 and 2025, or +0.06 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.0 °C (on 1 August 1999) and the coldest -8.0 °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

Mt. PleasantSouth Carolina

coords: 32.79°, -79.86°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthApril

Mean daily temperature

19.5°C

Average daily high

21.6°C

Average daily low

17.5°C

Annual rainfall

1,251mm

Sunshine / day

9.8h

Mean relative humidity

77%

Average peak wind

24.8km/h

Seasonal range

15.4°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

11 d/yr

Rainy days (≥ 1 mm)

130 d/yr

Annual snowfall

0.8 cm

Average feels-like high

22.4 °C

Average feels-like low

16.7 °C

Average peak gust

36.8 km/h

Tropical nights (≥ 20 °C)

159 d/yr

Solar radiation

17.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.5 °C

since 1940

+0.1 °C per decade · r² = 0.09 · p = 0.006

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

34.0 °C

1 August 1999

Coldest day

-8.0 °C

21 January 1985

Wettest day

242 mm

5 September 2019

Windiest day

113.8 km/h

21 September 1989

Strongest gust

166.0 km/h

21 September 1989

Hottest feels-like

43.1 °C

1 August 1999

Coldest feels-like

-15.6 °C

21 January 1985

Snowiest day

15.6 cm

23 December 1989

Sunniest day

13.8 h

20 June 2016

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	32.2 °C28 July 2025	-2.2 °C22 January 2025	19.5 °C	1,275 mm	15	5
2024	31.1 °C15 July 2024	-2.2 °C21 January 2024	20.0 °C	1,270 mm	10	1
2023	32.0 °C21 July 2023	3.0 °C15 January 2023	20.2 °C	1,315 mm	25	0
2022	30.8 °C18 June 2022	-4.2 °C24 December 2022	19.8 °C	1,384 mm	9	3
2021	30.8 °C20 August 2021	1.7 °C29 January 2021	19.6 °C	1,400 mm	3	0
2020	31.9 °C29 June 2020	0.3 °C26 December 2020	20.4 °C	1,389 mm	19	0
2019	31.6 °C1 July 2019	2.3 °C21 January 2019	20.4 °C	1,456 mm	20	0
2018	30.5 °C13 September 2018	-4.7 °C5 January 2018	19.8 °C	1,528 mm	10	8
2017	31.3 °C16 August 2017	-0.8 °C8 January 2017	20.3 °C	1,179 mm	12	1
2016	32.3 °C8 July 2016	0.4 °C19 January 2016	20.3 °C	1,255 mm	28	0
2015	31.7 °C15 June 2015	-3.9 °C8 January 2015	20.3 °C	1,539 mm	18	3
2014	32.2 °C23 August 2014	-3.9 °C7 January 2014	19.3 °C	1,413 mm	11	5
2013	30.5 °C12 August 2013	2.4 °C17 February 2013	19.6 °C	1,275 mm	4	0
2012	31.0 °C27 July 2012	-0.3 °C12 February 2012	20.2 °C	1,150 mm	6	1
2011	32.3 °C27 August 2011	-0.2 °C13 January 2011	20.2 °C	835 mm	25	1
2010	31.9 °C8 July 2010	-1.5 °C14 December 2010	19.2 °C	893 mm	22	8
2009	31.6 °C27 June 2009	-1.6 °C5 February 2009	19.6 °C	1,318 mm	6	2
2008	31.2 °C21 July 2008	0.1 °C3 January 2008	19.7 °C	1,308 mm	8	0
2007	31.5 °C7 August 2007	0.6 °C29 January 2007	20.1 °C	1,112 mm	16	0
2006	31.8 °C4 August 2006	1.2 °C8 December 2006	19.7 °C	1,064 mm	15	0
2005	32.1 °C21 August 2005	-1.9 °C24 January 2005	19.5 °C	1,368 mm	16	2
2004	31.3 °C6 July 2004	-1.1 °C20 December 2004	19.4 °C	1,213 mm	7	1
2003	30.9 °C9 July 2003	-5.2 °C24 January 2003	19.4 °C	1,434 mm	1	4
2002	32.3 °C20 July 2002	0.1 °C28 February 2002	19.9 °C	1,450 mm	13	0
2001	30.6 °C11 July 2001	0.1 °C3 January 2001	19.8 °C	909 mm	6	0
2000	32.1 °C20 July 2000	-1.0 °C20 December 2000	19.2 °C	951 mm	7	2
1999	34.0 °C1 August 1999	-0.5 °C5 January 1999	19.7 °C	1,356 mm	22	1
1998	32.0 °C30 June 1998	1.0 °C12 March 1998	20.2 °C	1,269 mm	22	0
1997	30.2 °C18 August 1997	-1.2 °C18 January 1997	19.4 °C	1,606 mm	1	1
1996	31.5 °C2 July 1996	-4.8 °C5 February 1996	18.9 °C	1,196 mm	7	5
1995	31.9 °C14 August 1995	-2.7 °C9 February 1995	19.5 °C	1,323 mm	13	2
1994	30.6 °C16 July 1994	-4.0 °C19 January 1994	19.6 °C	1,341 mm	3	3
1993	32.1 °C30 July 1993	0.2 °C15 March 1993	19.6 °C	1,191 mm	23	0
1992	31.5 °C10 July 1992	2.0 °C17 January 1992	19.4 °C	1,639 mm	9	0
1991	31.5 °C13 July 1991	-3.0 °C16 February 1991	20.1 °C	1,290 mm	14	1
1990	32.2 °C6 July 1990	2.9 °C26 February 1990	20.7 °C	949 mm	15	0
1989	32.3 °C6 August 1989	-5.1 °C23 December 1989	19.4 °C	1,508 mm	10	4
1988	30.7 °C15 July 1988	0.3 °C13 December 1988	18.8 °C	1,249 mm	4	0
1987	32.2 °C22 July 1987	0.7 °C27 January 1987	19.3 °C	1,471 mm	18	0
1986	33.7 °C19 July 1986	-6.2 °C28 January 1986	20.1 °C	1,133 mm	22	2
1985	31.4 °C2 June 1985	-8.0 °C21 January 1985	19.7 °C	1,236 mm	9	5
1984	31.7 °C15 August 1984	0.0 °C7 December 1984	19.4 °C	1,358 mm	11	0
1983	32.4 °C17 July 1983	-6.0 °C25 December 1983	18.9 °C	1,548 mm	18	4
1982	30.7 °C4 July 1982	-6.0 °C11 January 1982	19.6 °C	1,329 mm	4	5
1981	33.0 °C15 June 1981	-2.7 °C12 January 1981	18.8 °C	917 mm	12	4
1980	32.2 °C1 August 1980	-4.4 °C3 March 1980	19.2 °C	1,110 mm	21	4
1979	31.7 °C28 July 1979	-1.0 °C3 January 1979	19.1 °C	1,389 mm	10	3
1978	30.6 °C18 August 1978	-2.6 °C7 February 1978	19.1 °C	1,060 mm	9	4
1977	32.4 °C22 July 1977	-4.0 °C19 January 1977	19.2 °C	1,022 mm	15	7
1976	31.0 °C16 July 1976	-0.5 °C18 January 1976	19.0 °C	1,231 mm	3	1
1975	31.3 °C18 August 1975	-0.3 °C19 December 1975	20.2 °C	1,208 mm	10	1
1974	30.3 °C11 July 1974	0.3 °C26 February 1974	19.8 °C	1,064 mm	1	0
1973	30.9 °C29 July 1973	-0.9 °C11 February 1973	19.7 °C	1,347 mm	6	2
1972	30.9 °C3 August 1972	-2.7 °C16 January 1972	19.5 °C	1,048 mm	8	2
1971	30.5 °C15 July 1971	-1.9 °C10 February 1971	19.5 °C	1,352 mm	3	3
1970	31.7 °C4 August 1970	-6.1 °C9 January 1970	19.2 °C	1,014 mm	14	8
1969	31.1 °C13 July 1969	0.4 °C5 January 1969	18.5 °C	1,042 mm	5	0
1968	32.4 °C7 August 1968	0.1 °C8 January 1968	18.8 °C	1,283 mm	22	0
1967	29.7 °C4 July 1967	-3.2 °C25 February 1967	19.1 °C	1,080 mm	0	2
1966	30.4 °C4 July 1966	-6.0 °C30 January 1966	18.7 °C	1,224 mm	10	3
1965	31.1 °C23 August 1965	0.4 °C17 January 1965	19.3 °C	1,098 mm	9	0
1964	30.7 °C16 June 1964	-1.2 °C14 January 1964	19.3 °C	1,572 mm	4	1
1963	31.7 °C14 June 1963	-2.5 °C24 January 1963	18.9 °C	1,132 mm	12	4
1962	31.4 °C15 May 1962	-6.2 °C13 December 1962	19.1 °C	1,117 mm	7	5
1961	32.0 °C31 July 1961	-2.0 °C22 January 1961	19.3 °C	1,107 mm	9	1
1960	30.5 °C3 July 1960	-1.7 °C5 March 1960	18.8 °C	1,149 mm	3	5
1959	33.9 °C29 June 1959	-2.8 °C17 January 1959	19.6 °C	1,441 mm	10	3
1958	31.7 °C16 August 1958	-5.4 °C17 February 1958	18.5 °C	1,209 mm	12	7
1957	31.5 °C1 September 1957	-3.6 °C12 December 1957	19.8 °C	1,521 mm	14	3
1956	30.9 °C6 August 1956	1.3 °C9 January 1956	19.5 °C	808 mm	7	0
1955	31.7 °C12 August 1955	-2.1 °C13 February 1955	19.3 °C	1,039 mm	4	2
1954	32.6 °C5 August 1954	-0.5 °C7 December 1954	19.5 °C	731 mm	27	1
1953	30.9 °C3 August 1953	-0.5 °C18 December 1953	19.7 °C	1,421 mm	4	1
1952	33.6 °C26 June 1952	1.3 °C30 January 1952	19.6 °C	1,184 mm	24	0
1951	31.3 °C13 July 1951	-0.4 °C8 February 1951	19.6 °C	885 mm	5	2
1950	31.6 °C25 June 1950	-3.0 °C25 November 1950	19.7 °C	1,202 mm	9	2
1949	32.2 °C28 July 1949	2.4 °C1 March 1949	20.3 °C	1,331 mm	5	0
1948	31.4 °C25 June 1948	-2.6 °C15 January 1948	19.8 °C	1,882 mm	4	3
1947	32.3 °C4 August 1947	-1.1 °C5 February 1947	19.2 °C	1,710 mm	3	2
1946	30.7 °C20 June 1946	2.6 °C17 January 1946	19.9 °C	1,154 mm	2	0
1945	30.8 °C10 September 1945	0.8 °C20 December 1945	20.2 °C	1,873 mm	5	0
1944	33.1 °C24 June 1944	3.0 °C13 February 1944	20.1 °C	1,397 mm	12	0
1943	31.5 °C5 June 1943	-0.1 °C15 February 1943	19.7 °C	1,176 mm	7	1
1942	32.7 °C19 July 1942	1.3 °C11 January 1942	19.9 °C	966 mm	28	0
1941	30.8 °C31 July 1941	2.2 °C1 March 1941	19.7 °C	1,093 mm	10	0
1940	32.0 °C25 July 1940	-2.0 °C3 February 1940	19.0 °C	1,303 mm	6	2

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

21.5 °C

-0.1 °C

Hot days (≥ 30 °C)

15 d/yr

Frost days (< 0 °C)

5 d/yr

Annual rainfall

1275 mm

+24 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	10.5 °C	-3.9 °C	69 mm	-27 mm
Feb	15.2 °C	+0.1 °C	42 mm	-53 mm
Mar	17.6 °C	+0.4 °C	139 mm	+39 mm
Apr	21.7 °C	+1.3 °C	17 mm	-52 mm
May	25.6 °C	+1.6 °C	114 mm	+44 mm
Jun	28.0 °C	+0.9 °C	110 mm	+3 mm
Jul	29.4 °C	+0.9 °C	128 mm	-9 mm
Aug	28.0 °C	-0.3 °C	281 mm	+120 mm
Sep	26.4 °C	-0.2 °C	79 mm	-74 mm
Oct	22.2 °C	-0.8 °C	217 mm	+114 mm
Nov	18.7 °C	-0.3 °C	14 mm	-57 mm
Dec	14.5 °C	-1.3 °C	67 mm	-23 mm

The year's extremes

Hottest day

32.2 °C

28 Jul 2025

Coldest day

-2.2 °C

22 Jan 2025

Wettest day

54.2 mm

11 Oct 2025

Windiest day

52.1 km/h

5 Mar 2025

Strongest gust

81.7 km/h

16 Feb 2025

Hottest feels-like

41.7 °C

28 Jul 2025

Coldest feels-like

-10.1 °C

22 Jan 2025

Snowiest day

10.2 cm

22 Jan 2025

Sunniest day

13.7 h

3 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 Mt. Pleasant?

Mt. Pleasant has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,251 mm of precipitation per year.

What is the hottest day ever recorded in Mt. Pleasant?

The hottest day measured in Mt. Pleasant between 1940 and 2025 was 1 August 1999, reaching 34.0 °C.

What is the coldest day in Mt. Pleasant?

The coldest day measured in Mt. Pleasant between 1940 and 2025 was 21 January 1985, at -8.0 °C.

Does it snow in Mt. Pleasant?

Almost never: Mt. Pleasant sees virtually no snow, with about 2 frost days per year.

Has the climate of Mt. Pleasant warmed?

Yes: Mt. Pleasant warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Mt. Pleasant?

The wettest day measured in Mt. Pleasant between 1940 and 2025 was 5 September 2019, with 242 mm of rain in 24 hours.

What was the windiest day in Mt. Pleasant?

The windiest day measured in Mt. Pleasant between 1940 and 2025 was 21 September 1989, with winds reaching 113.8 km/h.

What is the warmest month in Mt. Pleasant?

The warmest month in Mt. Pleasant is July (27.0 °C on average); the coldest is January (11.6 °C).

How much does it rain in Mt. Pleasant?

Mt. Pleasant receives on average 1,251 mm of precipitation per year, spread over about 130 rainy days.

Is it sunny in Mt. Pleasant?

Mt. Pleasant gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

What is the biggest single-day snowfall in Mt. Pleasant?

The heaviest 24-hour snowfall measured in Mt. Pleasant between 1940 and 2025 was 23 December 1989, with 15.6 cm.

Are there tropical nights in Mt. Pleasant?

Yes: Mt. Pleasant has on average 159 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mt. Pleasant?

In Mt. Pleasant, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 1 August 1999, and the lowest was -15.6 °C on 21 January 1985.

Compare Mt. Pleasant with another city

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

Nearby cities

The climate around Mt. Pleasant

Other cities — United States

All cities in United States →