Winchester climate — normals and trends

Q: What is the climate of Winchester?

Winchester has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 1,158 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 29 June 2012, reaching 40.2 °C.

Q: What is the coldest day in Winchester?

The coldest day measured in Winchester between 1940 and 2025 was 19 January 1994, at -30.0 °C.

Q: Does it snow in Winchester?

Yes. Winchester gets on average 38.0 cm of snow per year and has around 79 frost days.

Q: Has the climate of Winchester warmed?

Yes: Winchester warmed by +1.5 °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 17 October 1975, with 96 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 14 September 2008, with winds reaching 42.9 km/h.

Q: What is the warmest month in Winchester?

The warmest month in Winchester is July (24.5 °C on average); the coldest is January (0.8 °C).

Q: How much does it rain in Winchester?

Winchester receives on average 1,158 mm of precipitation per year, spread over about 132 rainy days.

Q: Is it sunny in Winchester?

Winchester gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.

Winchester (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.1 °C and it receives 1,158 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 (24.5 °C on average) and the coldest is January (0.8 °C). Rainfall peaks in March.

Winchester averages 79 frost days, 46 hot days (≥ 30 °C) and 132 rainy days per year.

Winchester has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The number of frost days there went from about 90 to 68 per year over the period.

The hottest day of the period reached 40.2 °C (on 29 June 2012) and the coldest -30.0 °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.

Climate normals · ERA5

WinchesterKentucky

coords: 37.99°, -84.18°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthMarchDriest monthOctober

Mean daily temperature

13.1°C

Average daily high

18.3°C

Average daily low

8.5°C

Annual rainfall

1,158mm

Sunshine / day

8.8h

Mean relative humidity

70%

Average peak wind

14.8km/h

Seasonal range

23.7°C

Frost days (< 0 °C)

79 d/yr

Hot days (≥ 30 °C)

46 d/yr

Rainy days (≥ 1 mm)

132 d/yr

Annual snowfall

38.0 cm

Average feels-like high

17.5 °C

Average feels-like low

6.6 °C

Average peak gust

35.3 km/h

Tropical nights (≥ 20 °C)

46 d/yr

Solar radiation

15.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °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

40.2 °C

29 June 2012

Coldest day

-30.0 °C

19 January 1994

Wettest day

96 mm

17 October 1975

Windiest day

42.9 km/h

14 September 2008

Strongest gust

110.2 km/h

3 April 1982

Hottest feels-like

43.0 °C

7 July 2012

Coldest feels-like

-35.0 °C

19 January 1994

Snowiest day

27.9 cm

4 February 1998

Sunniest day

14.6 h

19 June 2022

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.6 °C19 August 2025	-16.5 °C15 December 2025	13.9 °C	1,470 mm	49	77
2024	34.8 °C29 August 2024	-16.5 °C21 January 2024	14.6 °C	1,269 mm	53	54
2023	34.7 °C28 July 2023	-8.3 °C4 February 2023	14.7 °C	1,123 mm	35	44
2022	35.8 °C22 June 2022	-21.0 °C23 December 2022	13.8 °C	1,293 mm	52	80
2021	33.8 °C24 August 2021	-9.5 °C17 February 2021	14.1 °C	1,317 mm	36	71
2020	33.3 °C26 July 2020	-10.0 °C25 December 2020	14.1 °C	1,419 mm	39	51
2019	36.5 °C20 August 2019	-17.3 °C21 January 2019	14.6 °C	1,512 mm	87	68
2018	34.9 °C4 July 2018	-17.0 °C6 January 2018	14.0 °C	1,513 mm	64	76
2017	34.3 °C22 July 2017	-12.9 °C7 January 2017	14.5 °C	1,241 mm	36	60
2016	34.1 °C16 June 2016	-14.7 °C24 January 2016	14.4 °C	1,221 mm	61	65
2015	33.4 °C14 June 2015	-27.2 °C20 February 2015	13.9 °C	1,284 mm	49	74
2014	33.6 °C13 July 2014	-22.2 °C24 January 2014	12.6 °C	1,229 mm	29	83
2013	33.6 °C12 June 2013	-11.9 °C1 February 2013	13.1 °C	1,232 mm	22	88
2012	40.2 °C29 June 2012	-9.0 °C12 February 2012	14.9 °C	948 mm	69	59
2011	38.5 °C3 September 2011	-17.1 °C22 January 2011	14.0 °C	1,462 mm	66	62
2010	35.8 °C4 August 2010	-13.2 °C10 January 2010	13.6 °C	945 mm	77	85
2009	32.9 °C25 June 2009	-17.9 °C31 January 2009	13.0 °C	1,262 mm	18	70
2008	35.9 °C21 July 2008	-15.3 °C22 December 2008	13.3 °C	1,183 mm	53	81
2007	37.9 °C16 August 2007	-14.7 °C5 February 2007	14.5 °C	962 mm	79	78
2006	34.3 °C6 August 2006	-13.1 °C19 February 2006	13.8 °C	1,158 mm	43	63
2005	35.7 °C12 August 2005	-13.7 °C18 January 2005	13.9 °C	936 mm	63	78
2004	32.5 °C19 August 2004	-21.1 °C31 January 2004	13.5 °C	1,407 mm	25	74
2003	32.8 °C4 July 2003	-19.1 °C24 January 2003	12.7 °C	1,428 mm	24	80
2002	35.2 °C4 August 2002	-12.8 °C4 March 2002	13.7 °C	1,270 mm	56	76
2001	33.7 °C8 July 2001	-18.4 °C21 January 2001	13.8 °C	947 mm	41	64
2000	34.4 °C9 August 2000	-17.3 °C27 January 2000	12.9 °C	1,057 mm	24	81
1999	38.6 °C30 July 1999	-16.7 °C5 January 1999	13.8 °C	983 mm	57	74
1998	34.9 °C6 September 1998	-11.8 °C1 January 1998	14.4 °C	1,159 mm	45	48
1997	34.3 °C27 July 1997	-17.3 °C11 January 1997	12.4 °C	1,221 mm	25	71
1996	34.1 °C30 June 1996	-22.5 °C4 February 1996	12.2 °C	1,461 mm	24	91
1995	36.3 °C13 July 1995	-16.8 °C12 February 1995	13.1 °C	1,085 mm	54	87
1994	34.9 °C20 June 1994	-30.0 °C19 January 1994	13.2 °C	1,336 mm	39	68
1993	36.2 °C28 July 1993	-16.3 °C15 March 1993	12.8 °C	1,140 mm	54	85
1992	34.8 °C13 July 1992	-16.7 °C16 January 1992	12.8 °C	987 mm	24	71
1991	35.8 °C2 August 1991	-15.4 °C16 February 1991	14.0 °C	1,118 mm	55	74
1990	36.9 °C10 July 1990	-11.3 °C25 December 1990	14.2 °C	1,439 mm	45	60
1989	34.5 °C25 July 1989	-29.0 °C22 December 1989	12.5 °C	1,334 mm	42	86
1988	38.6 °C9 July 1988	-16.9 °C13 February 1988	12.9 °C	1,009 mm	58	89
1987	36.3 °C22 August 1987	-12.7 °C27 January 1987	13.7 °C	881 mm	68	80
1986	35.8 °C25 July 1986	-18.3 °C13 February 1986	13.6 °C	1,123 mm	53	69
1985	33.6 °C8 September 1985	-24.5 °C20 January 1985	12.9 °C	1,160 mm	28	84
1984	33.6 °C12 June 1984	-29.1 °C21 January 1984	13.1 °C	1,282 mm	47	76
1983	38.3 °C20 August 1983	-21.9 °C25 December 1983	12.9 °C	1,196 mm	70	79
1982	33.0 °C4 August 1982	-25.8 °C17 January 1982	13.1 °C	1,108 mm	22	81
1981	33.7 °C5 August 1981	-18.2 °C12 February 1981	12.4 °C	1,046 mm	31	87
1980	38.0 °C16 July 1980	-24.7 °C3 March 1980	12.7 °C	935 mm	66	90
1979	33.2 °C8 August 1979	-20.6 °C10 February 1979	12.1 °C	1,475 mm	14	85
1978	36.4 °C27 June 1978	-20.6 °C7 February 1978	11.9 °C	1,337 mm	39	86
1977	35.5 °C8 July 1977	-24.8 °C17 January 1977	12.9 °C	1,159 mm	50	82
1976	34.6 °C24 July 1976	-18.6 °C9 January 1976	12.1 °C	934 mm	38	103
1975	34.2 °C5 September 1975	-11.2 °C19 December 1975	13.4 °C	1,311 mm	52	74
1974	32.5 °C28 July 1974	-9.7 °C13 January 1974	13.1 °C	1,408 mm	24	64
1973	34.0 °C2 September 1973	-14.0 °C17 February 1973	13.6 °C	1,274 mm	44	71
1972	35.2 °C23 July 1972	-22.3 °C16 January 1972	12.6 °C	1,246 mm	36	88
1971	35.2 °C27 June 1971	-20.9 °C14 February 1971	13.4 °C	907 mm	47	72
1970	35.6 °C1 July 1970	-19.9 °C21 January 1970	13.0 °C	1,021 mm	55	81
1969	35.6 °C5 July 1969	-16.0 °C5 January 1969	12.3 °C	1,009 mm	41	103
1968	35.1 °C1 July 1968	-22.3 °C8 January 1968	12.3 °C	928 mm	45	91
1967	32.7 °C16 June 1967	-18.4 °C25 February 1967	12.4 °C	1,215 mm	16	84
1966	36.0 °C27 June 1966	-23.3 °C30 January 1966	12.2 °C	1,063 mm	49	86
1965	36.1 °C24 July 1965	-17.9 °C17 January 1965	13.0 °C	909 mm	38	84
1964	36.7 °C3 August 1964	-19.1 °C14 January 1964	13.2 °C	1,020 mm	64	85
1963	34.1 °C3 August 1963	-24.6 °C24 January 1963	12.3 °C	856 mm	31	92
1962	36.8 °C20 August 1962	-19.8 °C10 January 1962	12.7 °C	1,028 mm	53	84
1961	32.9 °C1 July 1961	-21.5 °C28 January 1961	12.5 °C	1,247 mm	43	80
1960	36.5 °C5 September 1960	-18.0 °C6 March 1960	12.3 °C	997 mm	57	104
1959	35.2 °C30 June 1959	-19.8 °C5 January 1959	13.5 °C	1,062 mm	64	85
1958	33.6 °C4 July 1958	-20.1 °C17 February 1958	11.8 °C	1,061 mm	35	94
1957	36.1 °C22 July 1957	-15.0 °C17 January 1957	13.6 °C	1,283 mm	52	73
1956	34.7 °C5 August 1956	-9.7 °C9 January 1956	13.3 °C	1,289 mm	34	67
1955	35.0 °C3 August 1955	-19.1 °C12 February 1955	13.4 °C	1,039 mm	67	88
1954	39.9 °C14 July 1954	-22.2 °C13 January 1954	13.7 °C	905 mm	77	83
1953	38.7 °C2 September 1953	-20.2 °C18 December 1953	14.1 °C	843 mm	75	68
1952	38.6 °C27 July 1952	-13.6 °C30 January 1952	13.6 °C	931 mm	78	75
1951	35.0 °C2 June 1951	-26.2 °C3 February 1951	12.7 °C	1,340 mm	54	85
1950	32.8 °C26 June 1950	-17.0 °C25 November 1950	12.4 °C	1,621 mm	10	93
1949	34.0 °C4 July 1949	-11.9 °C1 February 1949	13.9 °C	1,124 mm	57	65
1948	36.2 °C28 August 1948	-22.4 °C25 January 1948	13.0 °C	1,284 mm	43	76
1947	34.8 °C3 August 1947	-15.2 °C5 February 1947	12.0 °C	916 mm	41	104
1946	33.5 °C24 July 1946	-11.5 °C27 January 1946	13.6 °C	1,111 mm	20	62
1945	34.8 °C1 September 1945	-21.3 °C1 February 1945	12.6 °C	1,221 mm	39	84
1944	36.1 °C11 July 1944	-12.1 °C13 February 1944	12.9 °C	1,004 mm	51	91
1943	36.0 °C25 August 1943	-20.9 °C8 March 1943	12.1 °C	900 mm	47	98
1942	34.8 °C2 August 1942	-23.5 °C8 January 1942	12.1 °C	1,159 mm	23	101
1941	33.2 °C1 July 1941	-14.8 °C18 March 1941	12.4 °C	1,004 mm	38	104
1940	36.2 °C29 July 1940	-23.8 °C26 January 1940	11.2 °C	1,052 mm	36	100

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

19.2 °C

+0.9 °C

Hot days (≥ 30 °C)

49 d/yr

Frost days (< 0 °C)

77 d/yr

-2

Annual rainfall

1471 mm

+313 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	2.3 °C	-2.8 °C	113 mm	+18 mm
Feb	9.5 °C	+1.9 °C	176 mm	+77 mm
Mar	17.2 °C	+4.5 °C	132 mm	+16 mm
Apr	20.8 °C	+2.2 °C	220 mm	+107 mm
May	22.0 °C	-1.4 °C	207 mm	+96 mm
Jun	29.0 °C	+1.0 °C	120 mm	+24 mm
Jul	30.9 °C	+1.1 °C	93 mm	-11 mm
Aug	29.4 °C	+0.1 °C	24 mm	-55 mm
Sep	27.8 °C	+1.9 °C	99 mm	+17 mm
Oct	20.1 °C	+0.4 °C	126 mm	+54 mm
Nov	13.2 °C	+0.6 °C	86 mm	-7 mm
Dec	7.8 °C	+0.6 °C	76 mm	-24 mm

The year's extremes

Hottest day

34.6 °C

19 Aug 2025

Coldest day

-16.5 °C

15 Dec 2025

Wettest day

53.4 mm

3 May 2025

Windiest day

36.6 km/h

2 Apr 2025

Strongest gust

79.9 km/h

5 Mar 2025

Hottest feels-like

40.8 °C

23 Jun 2025

Coldest feels-like

-21.3 °C

20 Jan 2025

Snowiest day

13.3 cm

11 Feb 2025

Sunniest day

14.5 h

2 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 Winchester?

Winchester has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 1,158 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 29 June 2012, reaching 40.2 °C.

What is the coldest day in Winchester?

The coldest day measured in Winchester between 1940 and 2025 was 19 January 1994, at -30.0 °C.

Does it snow in Winchester?

Yes. Winchester gets on average 38.0 cm of snow per year and has around 79 frost days.

Has the climate of Winchester warmed?

Yes: Winchester warmed by +1.5 °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 17 October 1975, with 96 mm of rain in 24 hours.

What was the windiest day in Winchester?

The windiest day measured in Winchester between 1940 and 2025 was 14 September 2008, with winds reaching 42.9 km/h.

What is the warmest month in Winchester?

The warmest month in Winchester is July (24.5 °C on average); the coldest is January (0.8 °C).

How much does it rain in Winchester?

Winchester receives on average 1,158 mm of precipitation per year, spread over about 132 rainy days.

Is it sunny in Winchester?

Winchester gets on average 8.8 hours of sunshine per day, roughly 3,212 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 4 February 1998, with 27.9 cm.

Are there tropical nights in Winchester?

Yes: Winchester has on average 46 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 43.0 °C on 7 July 2012, and the lowest was -35.0 °C on 19 January 1994.

Compare Winchester with another city

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