Hagerstown climate — normals and trends

Q: What is the climate of Hagerstown?

Hagerstown has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 12.0 °C and it receives 980 mm of precipitation per year.

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

The hottest day measured in Hagerstown between 1940 and 2025 was 16 July 2024, reaching 40.6 °C.

Q: What is the coldest day in Hagerstown?

The coldest day measured in Hagerstown between 1940 and 2025 was 19 January 1994, at -27.1 °C.

Q: Does it snow in Hagerstown?

Yes. Hagerstown gets on average 64.2 cm of snow per year and has around 93 frost days.

Q: Has the climate of Hagerstown warmed?

Yes: Hagerstown warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Hagerstown?

The wettest day measured in Hagerstown between 1940 and 2025 was 21 June 1972, with 127 mm of rain in 24 hours.

Q: What was the windiest day in Hagerstown?

The windiest day measured in Hagerstown between 1940 and 2025 was 3 April 1975, with winds reaching 49.7 km/h.

Q: What is the warmest month in Hagerstown?

The warmest month in Hagerstown is July (24.3 °C on average); the coldest is January (-0.7 °C).

Q: How much does it rain in Hagerstown?

Hagerstown receives on average 980 mm of precipitation per year, spread over about 114 rainy days.

Q: Is it sunny in Hagerstown?

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

Hagerstown (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.0 °C and it receives 980 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 (24.3 °C on average) and the coldest is January (-0.7 °C). Rainfall peaks in May.

Hagerstown averages 93 frost days, 41 hot days (≥ 30 °C) and 114 rainy days per year.

Hagerstown has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The number of frost days there went from about 105 to 81 per year over the period.

The hottest day of the period reached 40.6 °C (on 16 July 2024) and the coldest -27.1 °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

HagerstownMaryland

coords: 39.64°, -77.72°
period: 1940–2025 · 86 yrs

DfaHot-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthAugust

Mean daily temperature

12.0°C

Average daily high

17.1°C

Average daily low

7.3°C

Annual rainfall

980mm

Sunshine / day

8.8h

Mean relative humidity

67%

Average peak wind

15.3km/h

Seasonal range

25.0°C

Frost days (< 0 °C)

93 d/yr

Hot days (≥ 30 °C)

41 d/yr

Rainy days (≥ 1 mm)

114 d/yr

Annual snowfall

64.2 cm

Average feels-like high

15.6 °C

Average feels-like low

5.1 °C

Average peak gust

35.3 km/h

Tropical nights (≥ 20 °C)

35 d/yr

Solar radiation

14.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.45 · 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

40.6 °C

16 July 2024

Coldest day

-27.1 °C

19 January 1994

Wettest day

127 mm

21 June 1972

Windiest day

49.7 km/h

3 April 1975

Strongest gust

108.7 km/h

4 March 1993

Hottest feels-like

44.8 °C

15 July 1995

Coldest feels-like

-32.3 °C

19 January 1994

Snowiest day

46.6 cm

13 March 1993

Sunniest day

14.4 h

4 July 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.1 °C24 June 2025	-19.7 °C21 January 2025	12.8 °C	865 mm	51	87
2024	40.6 °C16 July 2024	-12.8 °C18 January 2024	13.9 °C	944 mm	53	61
2023	35.7 °C13 July 2023	-11.7 °C4 February 2023	14.1 °C	845 mm	58	59
2022	36.3 °C24 July 2022	-16.3 °C24 December 2022	12.9 °C	1,036 mm	55	90
2021	36.8 °C12 August 2021	-12.6 °C21 February 2021	13.7 °C	940 mm	58	84
2020	36.8 °C6 July 2020	-11.6 °C19 December 2020	13.8 °C	975 mm	58	58
2019	36.2 °C19 July 2019	-17.9 °C22 January 2019	13.3 °C	1,113 mm	63	89
2018	35.5 °C2 July 2018	-17.1 °C7 January 2018	12.7 °C	1,600 mm	44	92
2017	34.1 °C20 July 2017	-12.4 °C17 March 2017	13.4 °C	977 mm	48	70
2016	36.7 °C25 July 2016	-13.7 °C25 January 2016	13.4 °C	923 mm	64	83
2015	34.1 °C19 July 2015	-17.9 °C7 March 2015	12.9 °C	921 mm	49	84
2014	34.9 °C23 July 2014	-21.2 °C12 February 2014	11.5 °C	885 mm	26	98
2013	34.9 °C18 July 2013	-12.3 °C23 January 2013	12.3 °C	954 mm	41	101
2012	37.1 °C17 July 2012	-11.8 °C4 January 2012	13.7 °C	839 mm	59	71
2011	38.8 °C22 July 2011	-12.7 °C23 February 2011	13.1 °C	1,201 mm	51	89
2010	38.0 °C7 July 2010	-12.1 °C9 February 2010	13.0 °C	990 mm	65	93
2009	34.9 °C10 August 2009	-16.4 °C17 January 2009	12.0 °C	983 mm	21	92
2008	34.7 °C20 July 2008	-13.1 °C11 February 2008	12.2 °C	1,052 mm	30	92
2007	35.0 °C9 July 2007	-19.4 °C17 February 2007	12.7 °C	823 mm	51	95
2006	36.9 °C3 August 2006	-13.1 °C19 February 2006	13.2 °C	846 mm	52	73
2005	35.7 °C4 August 2005	-15.3 °C24 January 2005	12.6 °C	883 mm	61	88
2004	32.7 °C2 July 2004	-18.0 °C25 January 2004	12.2 °C	1,022 mm	25	94
2003	34.5 °C22 August 2003	-18.7 °C22 January 2003	11.2 °C	1,271 mm	25	99
2002	36.6 °C2 August 2002	-16.9 °C7 December 2002	12.9 °C	952 mm	56	82
2001	35.7 °C24 July 2001	-16.2 °C22 January 2001	12.6 °C	759 mm	28	84
2000	33.0 °C11 June 2000	-17.0 °C26 December 2000	11.9 °C	791 mm	23	94
1999	36.2 °C6 July 1999	-17.2 °C10 January 1999	12.5 °C	970 mm	41	82
1998	33.6 °C6 September 1998	-13.0 °C1 January 1998	13.4 °C	945 mm	42	67
1997	35.6 °C15 July 1997	-17.7 °C19 January 1997	11.6 °C	840 mm	33	93
1996	33.6 °C20 May 1996	-25.0 °C5 February 1996	11.1 °C	1,500 mm	15	98
1995	37.5 °C15 July 1995	-16.6 °C6 February 1995	12.1 °C	965 mm	50	103
1994	36.6 °C8 July 1994	-27.1 °C19 January 1994	12.0 °C	1,056 mm	47	93
1993	36.3 °C28 August 1993	-20.5 °C25 February 1993	12.0 °C	1,049 mm	54	95
1992	34.0 °C14 July 1992	-13.1 °C19 January 1992	11.4 °C	979 mm	20	83
1991	36.7 °C2 August 1991	-11.7 °C14 January 1991	13.3 °C	802 mm	67	86
1990	37.0 °C4 July 1990	-13.2 °C26 February 1990	13.2 °C	1,060 mm	42	73
1989	35.2 °C11 July 1989	-16.5 °C22 December 1989	11.5 °C	1,183 mm	27	103
1988	38.8 °C16 July 1988	-17.4 °C27 January 1988	11.7 °C	807 mm	57	98
1987	36.2 °C4 August 1987	-20.1 °C25 January 1987	12.3 °C	982 mm	49	86
1986	35.3 °C7 July 1986	-17.9 °C13 February 1986	12.1 °C	960 mm	39	89
1985	35.4 °C14 August 1985	-23.7 °C21 January 1985	12.2 °C	889 mm	32	90
1984	33.9 °C9 June 1984	-23.0 °C22 January 1984	11.8 °C	1,048 mm	37	89
1983	38.0 °C20 August 1983	-21.0 °C25 December 1983	12.0 °C	1,103 mm	67	78
1982	33.7 °C18 July 1982	-24.2 °C17 January 1982	11.6 °C	964 mm	22	97
1981	34.7 °C20 July 1981	-16.4 °C21 December 1981	11.5 °C	884 mm	30	97
1980	38.8 °C20 July 1980	-16.1 °C25 December 1980	11.9 °C	754 mm	61	101
1979	34.1 °C10 August 1979	-23.9 °C11 February 1979	11.3 °C	1,182 mm	14	90
1978	34.9 °C23 July 1978	-23.1 °C20 February 1978	11.0 °C	1,157 mm	33	101
1977	35.5 °C16 July 1977	-20.4 °C17 January 1977	12.1 °C	901 mm	51	96
1976	32.9 °C26 August 1976	-20.6 °C30 December 1976	11.2 °C	1,025 mm	29	107
1975	35.4 °C2 August 1975	-19.7 °C21 January 1975	12.0 °C	1,246 mm	32	95
1974	34.3 °C9 July 1974	-11.8 °C14 January 1974	11.9 °C	975 mm	26	89
1973	35.7 °C28 August 1973	-15.7 °C17 February 1973	12.3 °C	1,144 mm	38	84
1972	34.1 °C21 July 1972	-20.2 °C9 February 1972	11.3 °C	1,313 mm	28	94
1971	33.9 °C8 July 1971	-20.0 °C2 February 1971	11.7 °C	1,124 mm	31	91
1970	33.2 °C22 September 1970	-18.5 °C22 January 1970	11.6 °C	848 mm	49	104
1969	36.9 °C30 June 1969	-17.0 °C25 December 1969	11.6 °C	838 mm	45	114
1968	34.9 °C23 August 1968	-21.5 °C2 January 1968	11.5 °C	854 mm	44	99
1967	34.4 °C13 June 1967	-21.7 °C9 February 1967	11.1 °C	964 mm	27	99
1966	38.0 °C3 July 1966	-18.2 °C29 January 1966	11.2 °C	874 mm	57	103
1965	34.8 °C16 August 1965	-20.0 °C4 February 1965	11.3 °C	780 mm	43	103
1964	34.7 °C30 June 1964	-20.8 °C15 January 1964	11.6 °C	875 mm	46	103
1963	34.7 °C26 July 1963	-26.9 °C29 January 1963	10.9 °C	705 mm	39	107
1962	35.4 °C20 August 1962	-21.0 °C11 February 1962	11.0 °C	947 mm	41	116
1961	34.5 °C2 July 1961	-20.2 °C2 February 1961	11.4 °C	970 mm	49	101
1960	32.9 °C28 August 1960	-23.0 °C23 December 1960	10.9 °C	973 mm	26	115
1959	36.6 °C29 June 1959	-16.4 °C19 January 1959	12.6 °C	935 mm	65	96
1958	33.8 °C15 July 1958	-21.5 °C11 February 1958	10.8 °C	922 mm	27	98
1957	37.1 °C21 July 1957	-18.4 °C18 January 1957	12.1 °C	822 mm	45	84
1956	36.0 °C2 July 1956	-10.4 °C22 March 1956	11.6 °C	942 mm	27	94
1955	36.7 °C2 August 1955	-17.5 °C3 February 1955	12.0 °C	962 mm	42	104
1954	39.1 °C14 July 1954	-18.9 °C18 January 1954	12.1 °C	876 mm	38	94
1953	37.4 °C18 July 1953	-15.2 °C18 February 1953	12.8 °C	857 mm	54	78
1952	37.7 °C26 June 1952	-12.7 °C2 March 1952	12.2 °C	1,200 mm	45	93
1951	34.9 °C27 July 1951	-21.8 °C17 December 1951	11.8 °C	1,037 mm	44	95
1950	33.4 °C26 June 1950	-18.2 °C27 December 1950	11.3 °C	1,140 mm	24	110
1949	35.3 °C10 August 1949	-19.9 °C3 February 1949	12.8 °C	972 mm	41	74
1948	37.2 °C26 August 1948	-21.9 °C26 January 1948	11.5 °C	1,065 mm	33	95
1947	33.7 °C11 June 1947	-15.1 °C5 February 1947	11.4 °C	770 mm	25	113
1946	33.0 °C19 July 1946	-15.3 °C22 January 1946	12.0 °C	929 mm	20	84
1945	33.8 °C30 June 1945	-20.2 °C10 January 1945	11.2 °C	1,256 mm	16	98
1944	35.1 °C12 August 1944	-20.2 °C22 December 1944	11.4 °C	996 mm	42	109
1943	33.8 °C12 August 1943	-22.8 °C16 February 1943	10.8 °C	797 mm	40	114
1942	34.5 °C19 July 1942	-22.7 °C8 January 1942	11.3 °C	1,198 mm	22	104
1941	35.7 °C28 July 1941	-17.0 °C5 February 1941	11.4 °C	744 mm	31	114
1940	34.6 °C30 July 1940	-20.0 °C29 January 1940	10.3 °C	994 mm	17	112

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

17.9 °C

+0.8 °C

Hot days (≥ 30 °C)

51 d/yr

+10

Frost days (< 0 °C)

87 d/yr

-6

Annual rainfall

865 mm

-115 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	1.5 °C	-1.9 °C	36 mm	-39 mm
Feb	5.5 °C	+0.1 °C	59 mm	-15 mm
Mar	15.6 °C	+5.0 °C	61 mm	-31 mm
Apr	19.1 °C	+1.9 °C	65 mm	-24 mm
May	22.2 °C	-0.3 °C	195 mm	+98 mm
Jun	28.7 °C	+1.5 °C	106 mm	+25 mm
Jul	31.5 °C	+1.8 °C	107 mm	+29 mm
Aug	27.7 °C	-1.0 °C	43 mm	-30 mm
Sep	26.4 °C	+1.6 °C	42 mm	-41 mm
Oct	19.2 °C	+0.7 °C	55 mm	-22 mm
Nov	12.2 °C	+0.6 °C	39 mm	-42 mm
Dec	4.5 °C	-1.0 °C	59 mm	-21 mm

The year's extremes

Hottest day

36.1 °C

24 Jun 2025

Coldest day

-19.7 °C

21 Jan 2025

Wettest day

43.5 mm

13 May 2025

Windiest day

33.3 km/h

16 Feb 2025

Strongest gust

78.5 km/h

16 Mar 2025

Hottest feels-like

41.2 °C

25 Jun 2025

Coldest feels-like

-25.1 °C

23 Jan 2025

Snowiest day

8.8 cm

6 Jan 2025

Sunniest day

14.4 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 Hagerstown?

Hagerstown has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 12.0 °C and it receives 980 mm of precipitation per year.

What is the hottest day ever recorded in Hagerstown?

The hottest day measured in Hagerstown between 1940 and 2025 was 16 July 2024, reaching 40.6 °C.

What is the coldest day in Hagerstown?

The coldest day measured in Hagerstown between 1940 and 2025 was 19 January 1994, at -27.1 °C.

Does it snow in Hagerstown?

Yes. Hagerstown gets on average 64.2 cm of snow per year and has around 93 frost days.

Has the climate of Hagerstown warmed?

Yes: Hagerstown warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hagerstown?

The wettest day measured in Hagerstown between 1940 and 2025 was 21 June 1972, with 127 mm of rain in 24 hours.

What was the windiest day in Hagerstown?

The windiest day measured in Hagerstown between 1940 and 2025 was 3 April 1975, with winds reaching 49.7 km/h.

What is the warmest month in Hagerstown?

The warmest month in Hagerstown is July (24.3 °C on average); the coldest is January (-0.7 °C).

How much does it rain in Hagerstown?

Hagerstown receives on average 980 mm of precipitation per year, spread over about 114 rainy days.

Is it sunny in Hagerstown?

Hagerstown 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 Hagerstown?

The heaviest 24-hour snowfall measured in Hagerstown between 1940 and 2025 was 13 March 1993, with 46.6 cm.

Are there tropical nights in Hagerstown?

Yes: Hagerstown has on average 35 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hagerstown?

In Hagerstown, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 15 July 1995, and the lowest was -32.3 °C on 19 January 1994.

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