Mechanicsville climate — normals and trends

Q: What is the climate of Mechanicsville?

Mechanicsville has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.8 °C and it receives 1,086 mm of precipitation per year.

Q: What is the hottest day ever recorded in Mechanicsville?

The hottest day measured in Mechanicsville between 1940 and 2025 was 20 August 1983, reaching 40.3 °C.

Q: What is the coldest day in Mechanicsville?

The coldest day measured in Mechanicsville between 1940 and 2025 was 21 January 1985, at -22.1 °C.

Q: Does it snow in Mechanicsville?

Yes. Mechanicsville gets on average 27.2 cm of snow per year and has around 57 frost days.

Q: Has the climate of Mechanicsville warmed?

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

Q: What is the wettest day in Mechanicsville?

The wettest day measured in Mechanicsville between 1940 and 2025 was 21 October 1961, with 140 mm of rain in 24 hours.

Q: What was the windiest day in Mechanicsville?

The windiest day measured in Mechanicsville between 1940 and 2025 was 18 September 2003, with winds reaching 51.1 km/h.

Q: What is the warmest month in Mechanicsville?

The warmest month in Mechanicsville is July (25.8 °C on average); the coldest is January (3.5 °C).

Q: How much does it rain in Mechanicsville?

Mechanicsville receives on average 1,086 mm of precipitation per year, spread over about 117 rainy days.

Q: Is it sunny in Mechanicsville?

Mechanicsville gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Mechanicsville (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.8 °C and it receives 1,086 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 (25.8 °C on average) and the coldest is January (3.5 °C). Rainfall peaks in July.

Mechanicsville averages 57 frost days, 60 hot days (≥ 30 °C) and 117 rainy days per year.

Mechanicsville 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 62 to 52 per year over the period.

The hottest day of the period reached 40.3 °C (on 20 August 1983) and the coldest -22.1 °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

MechanicsvilleVirginia

coords: 37.61°, -77.37°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthOctober

Mean daily temperature

14.8°C

Average daily high

20.0°C

Average daily low

10.3°C

Annual rainfall

1,086mm

Sunshine / day

9.1h

Mean relative humidity

70%

Average peak wind

15.1km/h

Seasonal range

22.3°C

Frost days (< 0 °C)

57 d/yr

Hot days (≥ 30 °C)

60 d/yr

Rainy days (≥ 1 mm)

117 d/yr

Annual snowfall

27.2 cm

Average feels-like high

19.6 °C

Average feels-like low

8.7 °C

Average peak gust

35.2 km/h

Tropical nights (≥ 20 °C)

70 d/yr

Solar radiation

15.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.33 · 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

40.3 °C

20 August 1983

Coldest day

-22.1 °C

21 January 1985

Wettest day

140 mm

21 October 1961

Windiest day

51.1 km/h

18 September 2003

Strongest gust

138.2 km/h

18 September 2003

Hottest feels-like

45.8 °C

29 June 2012

Coldest feels-like

-28.4 °C

21 January 1985

Snowiest day

29.6 cm

11 February 1983

Sunniest day

14.1 h

4 July 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.7 °C24 June 2025	-12.5 °C23 January 2025	15.2 °C	1,219 mm	60	57
2024	37.0 °C5 July 2024	-7.4 °C7 December 2024	15.7 °C	1,111 mm	55	47
2023	37.2 °C25 August 2023	-6.8 °C4 February 2023	16.3 °C	1,060 mm	71	30
2022	37.3 °C17 June 2022	-13.0 °C24 December 2022	15.7 °C	1,046 mm	83	61
2021	36.9 °C21 June 2021	-5.1 °C30 January 2021	16.0 °C	1,028 mm	75	49
2020	38.4 °C20 July 2020	-5.5 °C15 February 2020	16.4 °C	1,555 mm	72	34
2019	38.2 °C22 July 2019	-9.2 °C22 January 2019	16.2 °C	1,117 mm	92	46
2018	37.0 °C19 June 2018	-15.2 °C7 January 2018	15.7 °C	1,444 mm	81	62
2017	37.7 °C14 July 2017	-18.9 °C9 January 2017	16.2 °C	1,052 mm	72	48
2016	37.8 °C14 August 2016	-10.7 °C14 February 2016	15.7 °C	1,259 mm	77	53
2015	38.2 °C16 June 2015	-17.0 °C21 February 2015	15.6 °C	1,063 mm	68	60
2014	37.1 °C2 July 2014	-18.5 °C30 January 2014	14.7 °C	993 mm	55	65
2013	34.4 °C9 August 2013	-8.2 °C25 January 2013	14.8 °C	1,315 mm	57	55
2012	40.3 °C8 July 2012	-6.2 °C4 January 2012	16.0 °C	935 mm	58	27
2011	38.7 °C23 July 2011	-10.0 °C23 January 2011	15.8 °C	1,107 mm	81	54
2010	39.8 °C25 July 2010	-11.4 °C1 February 2010	15.4 °C	962 mm	100	66
2009	36.5 °C10 August 2009	-16.4 °C4 March 2009	14.9 °C	1,142 mm	61	62
2008	38.7 °C10 June 2008	-9.6 °C21 January 2008	15.5 °C	986 mm	79	44
2007	39.9 °C8 August 2007	-11.3 °C6 February 2007	15.8 °C	769 mm	84	50
2006	36.8 °C3 August 2006	-8.2 °C19 February 2006	15.6 °C	1,273 mm	62	35
2005	40.0 °C27 July 2005	-12.0 °C24 January 2005	15.0 °C	1,031 mm	71	61
2004	34.1 °C5 July 2004	-12.4 °C11 January 2004	14.9 °C	1,288 mm	42	60
2003	34.4 °C27 June 2003	-16.2 °C18 January 2003	14.3 °C	1,505 mm	39	64
2002	36.3 °C13 August 2002	-8.7 °C7 December 2002	15.5 °C	1,096 mm	67	48
2001	35.6 °C10 August 2001	-6.6 °C3 January 2001	15.3 °C	900 mm	36	48
2000	35.1 °C10 July 2000	-18.0 °C28 January 2000	14.5 °C	1,006 mm	30	59
1999	39.6 °C1 August 1999	-8.9 °C6 January 1999	15.5 °C	1,146 mm	55	39
1998	36.8 °C22 July 1998	-6.4 °C1 January 1998	15.9 °C	1,156 mm	67	29
1997	36.6 °C26 June 1997	-14.0 °C19 January 1997	14.4 °C	1,071 mm	47	43
1996	35.8 °C22 June 1996	-19.9 °C5 February 1996	14.1 °C	1,401 mm	44	68
1995	37.0 °C23 July 1995	-10.0 °C6 February 1995	15.0 °C	976 mm	60	60
1994	36.4 °C15 June 1994	-17.0 °C19 January 1994	15.3 °C	1,109 mm	67	47
1993	37.3 °C8 July 1993	-9.7 °C30 December 1993	14.9 °C	1,031 mm	77	55
1992	38.4 °C14 July 1992	-7.6 °C25 December 1992	14.3 °C	1,087 mm	43	60
1991	37.4 °C23 July 1991	-8.3 °C20 December 1991	15.8 °C	1,040 mm	79	51
1990	38.0 °C5 July 1990	-8.0 °C26 February 1990	16.1 °C	1,021 mm	60	31
1989	36.0 °C2 June 1989	-12.3 °C22 December 1989	14.4 °C	1,411 mm	51	68
1988	38.4 °C17 August 1988	-15.4 °C11 January 1988	14.3 °C	1,040 mm	70	65
1987	38.7 °C3 August 1987	-16.7 °C28 January 1987	14.6 °C	1,095 mm	71	57
1986	39.2 °C19 July 1986	-9.9 °C29 January 1986	15.2 °C	818 mm	82	63
1985	36.5 °C16 August 1985	-22.1 °C21 January 1985	15.4 °C	1,043 mm	74	63
1984	38.1 °C14 June 1984	-12.8 °C22 January 1984	14.7 °C	1,111 mm	48	64
1983	40.3 °C20 August 1983	-14.8 °C25 December 1983	14.7 °C	1,226 mm	72	48
1982	35.1 °C8 July 1982	-16.1 °C17 January 1982	14.7 °C	1,181 mm	62	62
1981	38.3 °C25 June 1981	-14.7 °C13 January 1981	14.2 °C	884 mm	60	76
1980	38.9 °C17 July 1980	-16.6 °C11 February 1980	14.6 °C	810 mm	81	67
1979	36.3 °C10 August 1979	-18.7 °C10 February 1979	14.3 °C	1,272 mm	35	68
1978	35.4 °C27 June 1978	-11.2 °C10 January 1978	14.0 °C	1,240 mm	56	75
1977	37.4 °C8 July 1977	-18.2 °C17 January 1977	14.8 °C	1,001 mm	74	68
1976	37.0 °C24 July 1976	-13.9 °C19 January 1976	14.3 °C	903 mm	64	73
1975	36.1 °C14 August 1975	-8.1 °C21 January 1975	14.9 °C	1,225 mm	56	55
1974	36.4 °C15 July 1974	-12.4 °C10 February 1974	14.9 °C	1,050 mm	41	49
1973	34.0 °C28 August 1973	-12.1 °C10 January 1973	15.0 °C	1,051 mm	59	51
1972	34.4 °C23 July 1972	-16.0 °C16 January 1972	14.0 °C	1,375 mm	33	54
1971	34.4 °C28 June 1971	-13.1 °C2 February 1971	14.6 °C	1,120 mm	40	60
1970	36.2 °C18 June 1970	-17.0 °C10 January 1970	14.3 °C	840 mm	65	71
1969	37.0 °C28 June 1969	-11.2 °C6 January 1969	13.6 °C	1,140 mm	47	83
1968	37.3 °C1 July 1968	-12.1 °C22 February 1968	14.2 °C	937 mm	57	81
1967	35.5 °C25 June 1967	-13.6 °C9 February 1967	13.8 °C	861 mm	40	67
1966	36.9 °C13 July 1966	-14.3 °C6 February 1966	13.7 °C	998 mm	60	72
1965	36.1 °C19 August 1965	-16.5 °C1 February 1965	14.1 °C	712 mm	61	71
1964	36.7 °C10 June 1964	-21.0 °C15 January 1964	14.3 °C	1,093 mm	50	61
1963	35.6 °C10 June 1963	-11.8 °C29 January 1963	13.7 °C	842 mm	57	74
1962	36.2 °C19 May 1962	-15.1 °C11 January 1962	13.8 °C	1,117 mm	52	67
1961	34.5 °C31 July 1961	-16.2 °C28 January 1961	14.2 °C	1,238 mm	64	58
1960	35.2 °C24 June 1960	-13.2 °C7 March 1960	13.9 °C	1,180 mm	52	79
1959	37.5 °C29 June 1959	-11.7 °C18 January 1959	15.0 °C	1,109 mm	58	58
1958	35.4 °C9 June 1958	-15.9 °C16 December 1958	13.5 °C	1,183 mm	52	67
1957	38.0 °C22 July 1957	-17.2 °C18 January 1957	15.1 °C	1,171 mm	82	42
1956	37.2 °C2 July 1956	-7.1 °C28 January 1956	14.8 °C	1,026 mm	63	48
1955	35.4 °C2 August 1955	-11.3 °C31 January 1955	14.5 °C	1,144 mm	50	71
1954	39.7 °C14 July 1954	-11.8 °C8 December 1954	15.0 °C	832 mm	80	54
1953	37.8 °C31 August 1953	-8.0 °C19 December 1953	15.6 °C	953 mm	71	39
1952	38.9 °C26 June 1952	-8.6 °C30 January 1952	15.0 °C	1,050 mm	70	47
1951	36.3 °C23 July 1951	-11.0 °C4 February 1951	14.5 °C	1,058 mm	55	60
1950	36.0 °C27 June 1950	-7.6 °C20 December 1950	14.3 °C	975 mm	36	56
1949	36.0 °C30 July 1949	-5.8 °C17 December 1949	15.4 °C	1,042 mm	47	40
1948	36.5 °C28 August 1948	-16.0 °C25 January 1948	14.4 °C	1,249 mm	49	59
1947	36.2 °C20 August 1947	-10.2 °C9 February 1947	14.2 °C	982 mm	43	72
1946	35.6 °C18 June 1946	-11.2 °C28 January 1946	15.2 °C	919 mm	29	38
1945	37.3 °C30 June 1945	-8.1 °C22 December 1945	14.9 °C	1,200 mm	35	44
1944	35.4 °C19 June 1944	-8.0 °C14 January 1944	14.8 °C	1,156 mm	55	57
1943	35.3 °C17 June 1943	-8.9 °C16 February 1943	14.6 °C	911 mm	70	58
1942	36.6 °C20 July 1942	-14.8 °C11 January 1942	14.9 °C	1,131 mm	47	52
1941	36.6 °C29 May 1941	-6.6 °C1 March 1941	15.0 °C	965 mm	58	65
1940	36.6 °C26 July 1940	-16.1 °C28 January 1940	13.9 °C	1,233 mm	30	54

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

20.4 °C

+0.4 °C

Hot days (≥ 30 °C)

60 d/yr

Frost days (< 0 °C)

57 d/yr

Annual rainfall

1219 mm

+133 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	6.5 °C	-1.6 °C	67 mm	-17 mm
Feb	10.6 °C	+0.6 °C	121 mm	+42 mm
Mar	18.5 °C	+3.9 °C	89 mm	-7 mm
Apr	22.9 °C	+2.5 °C	119 mm	+37 mm
May	24.5 °C	-0.3 °C	176 mm	+83 mm
Jun	30.3 °C	+1.3 °C	139 mm	+49 mm
Jul	31.8 °C	+0.9 °C	154 mm	+39 mm
Aug	27.8 °C	-1.9 °C	53 mm	-55 mm
Sep	26.4 °C	-0.1 °C	137 mm	+40 mm
Oct	20.4 °C	-0.6 °C	56 mm	-24 mm
Nov	16.0 °C	+0.7 °C	48 mm	-35 mm
Dec	8.6 °C	-1.4 °C	59 mm	-22 mm

The year's extremes

Hottest day

36.7 °C

24 Jun 2025

Coldest day

-12.5 °C

23 Jan 2025

Wettest day

57.7 mm

13 May 2025

Windiest day

34.4 km/h

16 Feb 2025

Strongest gust

101.9 km/h

16 Feb 2025

Hottest feels-like

43.8 °C

24 Jun 2025

Coldest feels-like

-16.4 °C

23 Jan 2025

Snowiest day

10.0 cm

11 Feb 2025

Sunniest day

14.1 h

4 Jul 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 Mechanicsville?

Mechanicsville has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.8 °C and it receives 1,086 mm of precipitation per year.

What is the hottest day ever recorded in Mechanicsville?

The hottest day measured in Mechanicsville between 1940 and 2025 was 20 August 1983, reaching 40.3 °C.

What is the coldest day in Mechanicsville?

The coldest day measured in Mechanicsville between 1940 and 2025 was 21 January 1985, at -22.1 °C.

Does it snow in Mechanicsville?

Yes. Mechanicsville gets on average 27.2 cm of snow per year and has around 57 frost days.

Has the climate of Mechanicsville warmed?

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

What is the wettest day in Mechanicsville?

The wettest day measured in Mechanicsville between 1940 and 2025 was 21 October 1961, with 140 mm of rain in 24 hours.

What was the windiest day in Mechanicsville?

The windiest day measured in Mechanicsville between 1940 and 2025 was 18 September 2003, with winds reaching 51.1 km/h.

What is the warmest month in Mechanicsville?

The warmest month in Mechanicsville is July (25.8 °C on average); the coldest is January (3.5 °C).

How much does it rain in Mechanicsville?

Mechanicsville receives on average 1,086 mm of precipitation per year, spread over about 117 rainy days.

Is it sunny in Mechanicsville?

Mechanicsville gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

What is the biggest single-day snowfall in Mechanicsville?

The heaviest 24-hour snowfall measured in Mechanicsville between 1940 and 2025 was 11 February 1983, with 29.6 cm.

Are there tropical nights in Mechanicsville?

Yes: Mechanicsville has on average 70 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mechanicsville?

In Mechanicsville, between 1940 and 2025, the highest apparent temperature reached 45.8 °C on 29 June 2012, and the lowest was -28.4 °C on 21 January 1985.

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