Winchester climate — normals and trends

Q: What is the climate of Winchester?

Winchester has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.9 °C and it receives 1,009 mm of precipitation per year.

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

The hottest day measured in Winchester between 1940 and 2025 was 14 July 1954, reaching 40.0 °C.

Q: What is the coldest day in Winchester?

The coldest day measured in Winchester between 1940 and 2025 was 19 January 1994, at -26.7 °C.

Q: Does it snow in Winchester?

Yes. Winchester gets on average 66.1 cm of snow per year and has around 93 frost days.

Q: Has the climate of Winchester warmed?

Yes: Winchester warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Winchester?

The wettest day measured in Winchester between 1940 and 2025 was 21 June 1972, with 162 mm of rain in 24 hours.

Q: What was the windiest day in Winchester?

The windiest day measured in Winchester between 1940 and 2025 was 3 April 1975, with winds reaching 49.4 km/h.

Q: What is the warmest month in Winchester?

The warmest month in Winchester is July (23.9 °C on average); the coldest is January (-0.4 °C).

Q: How much does it rain in Winchester?

Winchester receives on average 1,009 mm of precipitation per year, spread over about 119 rainy days.

Q: Is it sunny in Winchester?

Winchester gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

Winchester has a hot-summer humid continental climate, averaging 11.9 °C annually with 1,009 mm of rain per year.

Climate normals · ERA5

WinchesterVirginia

coords: 39.19°, -78.16°
period: 1940–2025 · 86 yrs

DfaHot-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthFebruary

The normals for this period

The average of every indicator across the whole window: temperature, water, sky, wind and notable days.

Mean daily temperature

11.9°C

Average daily high

17.3°C

Average daily low

7.2°C

Annual rainfall

1,009mm

Sunshine / day

9.0h

Mean relative humidity

68%

Average peak wind

14.4km/h

Seasonal range

24.3°C

Frost days (< 0 °C)

93 d/yr

Hot days (≥ 30 °C)

40 d/yr

Rainy days (≥ 1 mm)

119 d/yr

Annual snowfall

66.1 cm

Average feels-like high

16.0 °C

Average feels-like low

5.0 °C

Average peak gust

36.5 km/h

Tropical nights (≥ 20 °C)

30 d/yr

Solar radiation

14.9 MJ/m²

Has the climate changed?

What the yearly averages say about warming here, and whether the slope is statistically solid.

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.47 · 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).

Climate month by month

How an average year unfolds: when it rains, when it turns hot, when the sun is out.

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

The most extreme days ever measured here, then the year-by-year detail.

Hottest day

40.0 °C

14 July 1954

Coldest day

-26.7 °C

19 January 1994

Wettest day

162 mm

21 June 1972

Windiest day

49.4 km/h

3 April 1975

Strongest gust

116.3 km/h

19 September 2003

Hottest feels-like

43.9 °C

22 July 2011

Coldest feels-like

-32.3 °C

19 January 1994

Snowiest day

47.1 cm

13 March 1993

Sunniest day

14.5 h

1 July 2024

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.9 °C24 June 2025	-22.1 °C22 January 2025	12.8 °C	974 mm	51	85
2024	39.8 °C16 July 2024	-11.9 °C18 January 2024	13.9 °C	982 mm	55	65
2023	36.6 °C5 September 2023	-12.3 °C4 February 2023	14.1 °C	823 mm	62	53
2022	35.6 °C24 July 2022	-20.6 °C22 January 2022	12.9 °C	1,065 mm	56	89
2021	36.7 °C12 August 2021	-15.7 °C21 February 2021	13.7 °C	944 mm	59	90
2020	36.6 °C19 July 2020	-11.2 °C19 December 2020	13.7 °C	1,122 mm	56	58
2019	37.0 °C20 July 2019	-19.2 °C22 January 2019	13.3 °C	1,107 mm	66	92
2018	34.7 °C3 July 2018	-18.0 °C7 January 2018	12.7 °C	1,580 mm	43	99
2017	34.4 °C20 July 2017	-13.2 °C28 December 2017	13.4 °C	1,057 mm	45	68
2016	36.9 °C25 July 2016	-14.4 °C25 January 2016	13.3 °C	986 mm	65	81
2015	33.2 °C8 September 2015	-21.2 °C24 February 2015	12.8 °C	1,030 mm	39	80
2014	35.4 °C23 July 2014	-19.0 °C4 March 2014	11.6 °C	1,022 mm	31	99
2013	35.9 °C18 July 2013	-12.5 °C23 January 2013	12.3 °C	1,020 mm	45	100
2012	38.1 °C29 June 2012	-11.4 °C4 January 2012	13.7 °C	832 mm	64	74
2011	38.6 °C22 July 2011	-11.7 °C24 January 2011	13.0 °C	1,254 mm	48	90
2010	37.5 °C7 July 2010	-14.3 °C11 January 2010	12.9 °C	942 mm	68	97
2009	34.2 °C10 August 2009	-16.5 °C17 January 2009	12.0 °C	1,023 mm	27	91
2008	35.0 °C20 July 2008	-13.3 °C21 January 2008	12.3 °C	977 mm	34	92
2007	35.6 °C8 August 2007	-19.3 °C17 February 2007	12.7 °C	811 mm	53	97
2006	36.3 °C18 July 2006	-13.8 °C19 February 2006	13.0 °C	901 mm	54	73
2005	35.1 °C5 August 2005	-17.3 °C4 March 2005	12.4 °C	935 mm	52	90
2004	32.2 °C29 August 2004	-18.5 °C1 February 2004	12.2 °C	1,046 mm	21	94
2003	33.9 °C22 August 2003	-16.6 °C28 January 2003	11.2 °C	1,312 mm	22	105
2002	36.5 °C4 July 2002	-15.9 °C7 December 2002	12.8 °C	947 mm	60	90
2001	35.3 °C24 July 2001	-16.2 °C23 January 2001	12.6 °C	783 mm	27	85
2000	32.7 °C11 June 2000	-17.7 °C26 December 2000	11.8 °C	908 mm	21	94
1999	36.8 °C5 July 1999	-17.1 °C6 January 1999	12.5 °C	934 mm	47	84
1998	34.6 °C15 September 1998	-13.5 °C1 February 1998	13.2 °C	986 mm	38	65
1997	35.7 °C15 July 1997	-18.0 °C19 January 1997	11.5 °C	857 mm	37	93
1996	32.8 °C20 May 1996	-20.9 °C5 February 1996	11.0 °C	1,574 mm	10	100
1995	37.8 °C15 July 1995	-17.5 °C6 February 1995	12.0 °C	994 mm	51	105
1994	36.3 °C15 June 1994	-26.7 °C19 January 1994	11.9 °C	1,023 mm	46	87
1993	36.2 °C28 July 1993	-19.1 °C19 February 1993	11.9 °C	1,073 mm	56	98
1992	34.4 °C14 July 1992	-13.4 °C19 January 1992	11.5 °C	963 mm	22	85
1991	36.8 °C2 August 1991	-13.1 °C14 January 1991	13.3 °C	816 mm	65	87
1990	36.9 °C4 July 1990	-13.4 °C26 February 1990	13.3 °C	1,137 mm	48	73
1989	35.3 °C11 July 1989	-18.1 °C22 December 1989	11.5 °C	1,120 mm	26	102
1988	38.5 °C16 July 1988	-15.1 °C11 January 1988	11.7 °C	930 mm	54	96
1987	37.0 °C21 July 1987	-20.0 °C27 January 1987	12.4 °C	945 mm	58	89
1986	34.8 °C18 July 1986	-18.1 °C14 February 1986	12.1 °C	963 mm	44	92
1985	35.0 °C14 August 1985	-23.5 °C21 January 1985	12.3 °C	966 mm	39	88
1984	34.1 °C9 August 1984	-26.5 °C22 January 1984	11.8 °C	1,108 mm	32	92
1983	37.0 °C20 August 1983	-21.1 °C25 December 1983	11.7 °C	1,194 mm	60	81
1982	34.2 °C26 July 1982	-24.9 °C17 January 1982	11.7 °C	1,034 mm	22	101
1981	35.5 °C20 July 1981	-16.2 °C13 January 1981	11.5 °C	840 mm	34	95
1980	38.3 °C20 July 1980	-16.0 °C10 January 1980	11.9 °C	810 mm	59	103
1979	32.5 °C10 August 1979	-23.1 °C18 February 1979	11.2 °C	1,279 mm	12	97
1978	35.4 °C23 July 1978	-20.5 °C20 February 1978	11.1 °C	1,109 mm	33	101
1977	36.1 °C6 July 1977	-24.0 °C13 January 1977	12.1 °C	965 mm	49	88
1976	33.1 °C15 July 1976	-18.9 °C30 December 1976	11.2 °C	1,051 mm	28	108
1975	34.9 °C2 August 1975	-19.2 °C10 February 1975	11.9 °C	1,204 mm	34	100
1974	33.5 °C14 July 1974	-11.9 °C10 February 1974	11.9 °C	979 mm	25	87
1973	34.1 °C28 August 1973	-15.4 °C17 February 1973	12.1 °C	1,106 mm	32	89
1972	33.1 °C21 July 1972	-19.7 °C16 January 1972	11.1 °C	1,373 mm	19	96
1971	32.6 °C8 July 1971	-17.7 °C8 January 1971	11.6 °C	1,153 mm	22	89
1970	34.0 °C2 July 1970	-18.1 °C20 January 1970	11.7 °C	812 mm	45	99
1969	37.6 °C30 June 1969	-16.6 °C25 December 1969	11.4 °C	920 mm	44	122
1968	35.2 °C23 August 1968	-20.8 °C2 January 1968	11.3 °C	875 mm	41	103
1967	33.5 °C13 June 1967	-22.9 °C8 February 1967	10.8 °C	1,015 mm	20	98
1966	36.1 °C3 July 1966	-15.8 °C6 February 1966	11.0 °C	931 mm	50	105
1965	36.2 °C16 August 1965	-20.9 °C31 January 1965	11.2 °C	791 mm	36	101
1964	35.1 °C20 June 1964	-19.9 °C15 January 1964	11.5 °C	926 mm	43	96
1963	34.4 °C18 July 1963	-21.4 °C24 January 1963	10.9 °C	756 mm	36	103
1962	35.8 °C20 August 1962	-18.6 °C11 February 1962	10.9 °C	997 mm	35	113
1961	34.9 °C31 August 1961	-19.0 °C26 January 1961	11.4 °C	1,044 mm	54	93
1960	33.8 °C2 August 1960	-22.7 °C23 December 1960	11.0 °C	912 mm	34	117
1959	37.2 °C29 June 1959	-14.1 °C6 January 1959	12.6 °C	914 mm	63	101
1958	32.9 °C15 July 1958	-20.9 °C11 February 1958	10.7 °C	956 mm	31	102
1957	36.3 °C21 July 1957	-17.8 °C17 January 1957	12.0 °C	953 mm	42	85
1956	35.1 °C2 July 1956	-13.2 °C27 January 1956	11.5 °C	1,069 mm	21	90
1955	35.1 °C2 August 1955	-17.4 °C4 February 1955	11.8 °C	1,113 mm	32	111
1954	40.0 °C14 July 1954	-20.5 °C18 January 1954	12.1 °C	849 mm	45	95
1953	37.3 °C3 September 1953	-12.5 °C5 January 1953	12.8 °C	812 mm	59	76
1952	37.2 °C26 June 1952	-12.6 °C30 January 1952	12.1 °C	1,187 mm	49	93
1951	35.2 °C27 July 1951	-17.0 °C16 December 1951	11.7 °C	992 mm	37	97
1950	32.8 °C31 July 1950	-14.9 °C20 December 1950	11.2 °C	1,113 mm	15	107
1949	34.2 °C6 July 1949	-20.3 °C3 February 1949	12.6 °C	999 mm	31	74
1948	36.1 °C28 August 1948	-21.2 °C26 January 1948	11.5 °C	1,153 mm	28	95
1947	34.3 °C11 June 1947	-14.4 °C5 February 1947	11.3 °C	764 mm	21	110
1946	32.6 °C19 July 1946	-16.1 °C24 January 1946	11.9 °C	957 mm	10	79
1945	33.5 °C30 June 1945	-19.9 °C10 January 1945	11.2 °C	1,181 mm	13	98
1944	34.7 °C12 August 1944	-16.2 °C22 December 1944	11.2 °C	1,056 mm	38	109
1943	33.5 °C12 August 1943	-22.6 °C16 February 1943	10.9 °C	861 mm	41	110
1942	34.3 °C19 July 1942	-22.1 °C21 December 1942	11.3 °C	1,179 mm	15	103
1941	34.6 °C28 July 1941	-15.1 °C18 March 1941	11.5 °C	792 mm	29	113
1940	33.9 °C30 July 1940	-18.4 °C26 February 1940	10.2 °C	999 mm	14	109

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and compare it with the normal: warmer, drier, more extreme?

Year

Across the whole year

Average daily high

18.2 °C

+0.9 °C

Hot days (≥ 30 °C)

51 d/yr

+11

Frost days (< 0 °C)

85 d/yr

-8

Annual rainfall

974 mm

-35 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	1.4 °C	-2.6 °C	49 mm	-23 mm
Feb	6.4 °C	+0.5 °C	65 mm	-6 mm
Mar	16.2 °C	+5.1 °C	42 mm	-48 mm
Apr	19.9 °C	+2.4 °C	94 mm	+4 mm
May	22.2 °C	-0.1 °C	218 mm	+112 mm
Jun	28.9 °C	+1.8 °C	129 mm	+40 mm
Jul	31.7 °C	+2.2 °C	140 mm	+53 mm
Aug	27.9 °C	-0.6 °C	30 mm	-53 mm
Sep	26.3 °C	+1.6 °C	62 mm	-27 mm
Oct	19.2 °C	+0.7 °C	56 mm	-23 mm
Nov	12.6 °C	+0.7 °C	45 mm	-33 mm
Dec	5.5 °C	-0.5 °C	45 mm	-31 mm

The year's extremes

Hottest day

35.9 °C

24 Jun 2025

Coldest day

-22.1 °C

22 Jan 2025

Wettest day

55.1 mm

13 May 2025

Windiest day

36.3 km/h

16 Feb 2025

Strongest gust

88.2 km/h

16 Feb 2025

Hottest feels-like

40.6 °C

25 Jun 2025

Coldest feels-like

-27.5 °C

22 Jan 2025

Snowiest day

15.7 cm

6 Jan 2025

Sunniest day

14.4 h

4 Jul 2025

What was the weather like that day?

The weather actually measured on a given date, anywhere in the covered window.

Date

Climate at a glance

What these normals say about the place, in a few sentences, and the notions needed to read them.

Winchester (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.9 °C and it receives 1,009 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 (23.9 °C on average) and the coldest is January (-0.4 °C). Rainfall peaks in May.

Winchester averages 93 frost days, 40 hot days (≥ 30 °C) and 119 rainy days per year.

Winchester has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The number of frost days there went from about 104 to 82 per year over the period.

The hottest day of the period reached 40.0 °C (on 14 July 1954) and the coldest -26.7 °C (on 19 January 1994).

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

Compare Winchester with another city

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Frequently asked questions

What is the climate of Winchester?

Winchester has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.9 °C and it receives 1,009 mm of precipitation per year.

What is the hottest day ever recorded in Winchester?

The hottest day measured in Winchester between 1940 and 2025 was 14 July 1954, reaching 40.0 °C.

What is the coldest day in Winchester?

The coldest day measured in Winchester between 1940 and 2025 was 19 January 1994, at -26.7 °C.

Does it snow in Winchester?

Yes. Winchester gets on average 66.1 cm of snow per year and has around 93 frost days.

Has the climate of Winchester warmed?

Yes: Winchester warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Winchester?

The wettest day measured in Winchester between 1940 and 2025 was 21 June 1972, with 162 mm of rain in 24 hours.

What was the windiest day in Winchester?

The windiest day measured in Winchester between 1940 and 2025 was 3 April 1975, with winds reaching 49.4 km/h.

What is the warmest month in Winchester?

The warmest month in Winchester is July (23.9 °C on average); the coldest is January (-0.4 °C).

How much does it rain in Winchester?

Winchester receives on average 1,009 mm of precipitation per year, spread over about 119 rainy days.

Is it sunny in Winchester?

Winchester gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

What is the biggest single-day snowfall in Winchester?

The heaviest 24-hour snowfall measured in Winchester between 1940 and 2025 was 13 March 1993, with 47.1 cm.

Are there tropical nights in Winchester?

Yes: Winchester has on average 30 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Winchester?

In Winchester, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 22 July 2011, and the lowest was -32.3 °C on 19 January 1994.

These forecasts and records come from our own weather API. Developer documentation →