Ft. Washington climate — normals and trends

Q: What is the climate of Ft. Washington?

Ft. Washington has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.8 °C and it receives 1,018 mm of precipitation per year.

Q: What is the hottest day ever recorded in Ft. Washington?

The hottest day measured in Ft. Washington between 1940 and 2025 was 29 June 2012, reaching 41.1 °C.

Q: What is the coldest day in Ft. Washington?

The coldest day measured in Ft. Washington between 1940 and 2025 was 17 January 1982, at -20.8 °C.

Q: Does it snow in Ft. Washington?

Yes. Ft. Washington gets on average 39.3 cm of snow per year and has around 67 frost days.

Q: Has the climate of Ft. Washington warmed?

Yes: Ft. Washington warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ft. Washington?

The wettest day measured in Ft. Washington between 1940 and 2025 was 16 September 1999, with 148 mm of rain in 24 hours.

Q: What was the windiest day in Ft. Washington?

The windiest day measured in Ft. Washington between 1940 and 2025 was 1 December 1974, with winds reaching 48.6 km/h.

Q: What is the warmest month in Ft. Washington?

The warmest month in Ft. Washington is July (25.7 °C on average); the coldest is January (1.7 °C).

Q: How much does it rain in Ft. Washington?

Ft. Washington receives on average 1,018 mm of precipitation per year, spread over about 115 rainy days.

Q: Is it sunny in Ft. Washington?

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

Ft. Washington (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.8 °C and it receives 1,018 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 (25.7 °C on average) and the coldest is January (1.7 °C). Rainfall peaks in July.

Ft. Washington averages 67 frost days, 53 hot days (≥ 30 °C) and 115 rainy days per year.

Ft. Washington has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The number of frost days there went from about 75 to 59 per year over the period.

The hottest day of the period reached 41.1 °C (on 29 June 2012) and the coldest -20.8 °C (on 17 January 1982).

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

Ft. WashingtonMaryland

coords: 38.71°, -77.02°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthFebruary

Mean daily temperature

13.8°C

Average daily high

18.7°C

Average daily low

9.5°C

Annual rainfall

1,018mm

Sunshine / day

9.1h

Mean relative humidity

68%

Average peak wind

15.5km/h

Seasonal range

24.0°C

Frost days (< 0 °C)

67 d/yr

Hot days (≥ 30 °C)

53 d/yr

Rainy days (≥ 1 mm)

115 d/yr

Annual snowfall

39.3 cm

Average feels-like high

17.8 °C

Average feels-like low

7.7 °C

Average peak gust

35.8 km/h

Tropical nights (≥ 20 °C)

64 d/yr

Solar radiation

15.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.40 · 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

41.1 °C

29 June 2012

Coldest day

-20.8 °C

17 January 1982

Wettest day

148 mm

16 September 1999

Windiest day

48.6 km/h

1 December 1974

Strongest gust

118.8 km/h

18 September 2003

Hottest feels-like

45.8 °C

22 July 2011

Coldest feels-like

-27.4 °C

17 January 1982

Snowiest day

36.1 cm

20 March 1958

Sunniest day

14.2 h

4 July 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.9 °C24 June 2025	-13.8 °C23 January 2025	14.3 °C	1,102 mm	45	72
2024	38.3 °C16 July 2024	-9.8 °C17 January 2024	15.2 °C	1,044 mm	57	51
2023	38.0 °C4 September 2023	-8.6 °C4 February 2023	15.5 °C	979 mm	60	31
2022	36.5 °C31 May 2022	-12.8 °C24 December 2022	14.6 °C	1,245 mm	65	72
2021	36.5 °C30 June 2021	-5.0 °C30 January 2021	15.2 °C	957 mm	66	52
2020	37.9 °C20 July 2020	-6.8 °C15 February 2020	15.3 °C	1,454 mm	58	42
2019	38.5 °C21 July 2019	-14.1 °C31 January 2019	15.3 °C	1,013 mm	91	56
2018	35.8 °C3 July 2018	-14.3 °C7 January 2018	14.6 °C	1,528 mm	62	70
2017	36.3 °C20 July 2017	-10.0 °C28 December 2017	15.3 °C	973 mm	64	52
2016	37.7 °C14 August 2016	-11.6 °C14 February 2016	14.9 °C	1,084 mm	64	57
2015	36.0 °C23 June 2015	-16.9 °C20 February 2015	14.6 °C	950 mm	66	65
2014	37.1 °C18 June 2014	-14.3 °C22 January 2014	13.5 °C	949 mm	49	78
2013	35.9 °C19 July 2013	-10.4 °C23 January 2013	14.0 °C	1,118 mm	54	63
2012	41.1 °C29 June 2012	-9.4 °C4 January 2012	15.4 °C	858 mm	59	40
2011	39.5 °C9 June 2011	-10.5 °C24 January 2011	14.9 °C	1,242 mm	67	62
2010	39.5 °C24 July 2010	-11.6 °C31 January 2010	14.8 °C	984 mm	86	74
2009	36.4 °C10 August 2009	-14.6 °C17 January 2009	13.9 °C	1,188 mm	52	72
2008	37.9 °C10 June 2008	-9.9 °C21 January 2008	14.3 °C	1,007 mm	59	58
2007	38.2 °C8 August 2007	-12.7 °C6 February 2007	14.7 °C	763 mm	72	64
2006	37.3 °C3 August 2006	-10.8 °C19 February 2006	14.9 °C	1,081 mm	60	45
2005	37.8 °C27 July 2005	-11.6 °C24 January 2005	14.2 °C	994 mm	67	75
2004	34.2 °C5 July 2004	-12.7 °C10 January 2004	14.0 °C	1,107 mm	41	70
2003	34.1 °C27 July 2003	-12.3 °C18 January 2003	13.2 °C	1,323 mm	32	81
2002	37.3 °C2 August 2002	-12.9 °C7 December 2002	14.8 °C	930 mm	67	58
2001	35.2 °C9 August 2001	-6.7 °C23 February 2001	14.4 °C	871 mm	30	59
2000	34.5 °C11 June 2000	-11.2 °C29 January 2000	13.6 °C	883 mm	31	69
1999	38.2 °C5 July 1999	-9.0 °C6 January 1999	14.5 °C	957 mm	55	60
1998	36.3 °C26 June 1998	-6.4 °C1 January 1998	15.3 °C	925 mm	68	38
1997	37.6 °C15 July 1997	-15.3 °C19 January 1997	13.6 °C	905 mm	47	56
1996	33.9 °C20 May 1996	-20.5 °C5 February 1996	13.1 °C	1,357 mm	29	73
1995	39.4 °C15 July 1995	-14.0 °C6 February 1995	14.3 °C	968 mm	63	71
1994	37.7 °C15 June 1994	-20.6 °C19 January 1994	14.1 °C	1,056 mm	55	61
1993	38.1 °C10 July 1993	-13.0 °C15 March 1993	13.9 °C	1,066 mm	69	67
1992	37.4 °C14 July 1992	-9.3 °C19 January 1992	13.1 °C	983 mm	33	68
1991	37.6 °C21 July 1991	-8.8 °C20 December 1991	14.9 °C	936 mm	74	63
1990	38.0 °C5 July 1990	-10.1 °C26 February 1990	14.9 °C	1,044 mm	46	43
1989	36.6 °C11 July 1989	-15.2 °C22 December 1989	13.3 °C	1,268 mm	40	81
1988	39.6 °C16 July 1988	-15.2 °C11 January 1988	13.5 °C	872 mm	68	78
1987	38.7 °C21 July 1987	-14.6 °C28 January 1987	13.9 °C	940 mm	65	68
1986	37.7 °C18 July 1986	-11.5 °C28 January 1986	14.1 °C	843 mm	75	69
1985	37.5 °C14 August 1985	-19.5 °C21 January 1985	14.3 °C	947 mm	58	69
1984	35.4 °C9 June 1984	-17.9 °C22 January 1984	13.6 °C	1,096 mm	46	72
1983	39.3 °C20 August 1983	-17.1 °C25 December 1983	13.7 °C	1,214 mm	66	60
1982	34.8 °C26 July 1982	-20.8 °C17 January 1982	13.4 °C	1,023 mm	34	72
1981	36.5 °C25 June 1981	-14.5 °C13 January 1981	13.2 °C	749 mm	40	79
1980	37.9 °C16 July 1980	-13.9 °C26 December 1980	13.6 °C	823 mm	72	75
1979	34.7 °C10 August 1979	-19.9 °C11 February 1979	13.3 °C	1,239 mm	32	73
1978	38.2 °C23 July 1978	-13.6 °C24 January 1978	13.3 °C	1,070 mm	60	80
1977	36.5 °C6 July 1977	-19.3 °C17 January 1977	13.9 °C	900 mm	63	79
1976	34.4 °C28 June 1976	-13.1 °C19 January 1976	13.3 °C	910 mm	59	82
1975	36.0 °C4 August 1975	-8.9 °C19 December 1975	13.9 °C	1,190 mm	42	68
1974	35.0 °C9 July 1974	-9.2 °C10 February 1974	13.9 °C	987 mm	42	55
1973	36.8 °C28 August 1973	-12.1 °C17 February 1973	14.2 °C	999 mm	50	57
1972	34.9 °C21 July 1972	-16.3 °C16 January 1972	13.1 °C	1,215 mm	35	66
1971	34.5 °C8 July 1971	-12.5 °C2 February 1971	13.7 °C	1,176 mm	37	65
1970	36.0 °C4 July 1970	-17.4 °C9 January 1970	13.5 °C	800 mm	63	79
1969	36.7 °C28 June 1969	-11.3 °C5 January 1969	13.0 °C	998 mm	49	91
1968	36.8 °C25 August 1968	-17.0 °C12 January 1968	13.3 °C	916 mm	54	87
1967	34.1 °C16 June 1967	-14.7 °C9 February 1967	12.7 °C	976 mm	35	75
1966	37.8 °C3 July 1966	-15.0 °C29 January 1966	12.9 °C	939 mm	67	83
1965	34.9 °C27 May 1965	-15.0 °C18 January 1965	13.0 °C	693 mm	53	83
1964	37.4 °C10 June 1964	-19.4 °C15 January 1964	13.3 °C	979 mm	53	78
1963	35.6 °C19 July 1963	-14.4 °C29 January 1963	12.8 °C	843 mm	58	80
1962	38.0 °C20 August 1962	-13.4 °C11 January 1962	12.8 °C	985 mm	53	79
1961	34.7 °C22 July 1961	-19.1 °C26 January 1961	13.3 °C	1,077 mm	64	68
1960	35.5 °C3 July 1960	-20.7 °C23 December 1960	13.0 °C	1,015 mm	56	94
1959	39.4 °C29 June 1959	-11.5 °C18 January 1959	14.4 °C	944 mm	77	69
1958	34.6 °C3 July 1958	-15.3 °C17 February 1958	12.6 °C	1,168 mm	41	75
1957	39.0 °C21 July 1957	-19.8 °C18 January 1957	14.0 °C	1,027 mm	68	54
1956	37.3 °C2 July 1956	-6.9 °C24 January 1956	13.5 °C	1,081 mm	45	62
1955	36.0 °C22 July 1955	-12.2 °C28 January 1955	13.6 °C	1,003 mm	47	82
1954	39.3 °C14 July 1954	-12.6 °C18 January 1954	14.0 °C	820 mm	59	72
1953	39.0 °C31 August 1953	-7.8 °C18 December 1953	14.7 °C	949 mm	66	49
1952	39.0 °C26 June 1952	-9.4 °C30 January 1952	13.9 °C	1,259 mm	57	55
1951	35.3 °C23 July 1951	-11.1 °C3 February 1951	13.7 °C	980 mm	54	71
1950	34.5 °C24 June 1950	-10.0 °C27 December 1950	13.3 °C	963 mm	26	68
1949	36.8 °C10 August 1949	-6.2 °C17 December 1949	14.7 °C	884 mm	52	47
1948	36.1 °C28 August 1948	-14.9 °C31 January 1948	13.2 °C	1,221 mm	41	68
1947	34.2 °C14 August 1947	-12.3 °C5 February 1947	13.1 °C	857 mm	36	83
1946	33.0 °C18 June 1946	-11.2 °C28 January 1946	14.0 °C	905 mm	23	51
1945	36.5 °C1 July 1945	-12.5 °C24 December 1945	13.4 °C	1,111 mm	26	68
1944	35.3 °C30 July 1944	-7.0 °C9 January 1944	13.5 °C	1,034 mm	49	75
1943	36.2 °C14 August 1943	-13.1 °C15 February 1943	13.3 °C	768 mm	64	78
1942	35.5 °C19 July 1942	-13.9 °C21 December 1942	13.6 °C	1,213 mm	34	66
1941	35.9 °C28 July 1941	-9.2 °C18 March 1941	13.8 °C	836 mm	53	86
1940	35.7 °C26 July 1940	-14.6 °C27 January 1940	12.5 °C	1,065 mm	23	80

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

19.0 °C

+0.3 °C

Hot days (≥ 30 °C)

45 d/yr

-8

Frost days (< 0 °C)

72 d/yr

Annual rainfall

1102 mm

+84 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	3.7 °C	-2.1 °C	56 mm	-22 mm
Feb	8.0 °C	+0.3 °C	96 mm	+22 mm
Mar	16.9 °C	+4.2 °C	59 mm	-36 mm
Apr	20.8 °C	+2.0 °C	80 mm	-3 mm
May	23.5 °C	-0.3 °C	180 mm	+88 mm
Jun	29.6 °C	+1.1 °C	144 mm	+60 mm
Jul	31.1 °C	+0.4 °C	243 mm	+146 mm
Aug	27.3 °C	-2.2 °C	17 mm	-71 mm
Sep	26.0 °C	+0.1 °C	94 mm	+6 mm
Oct	19.8 °C	0.0 °C	50 mm	-27 mm
Nov	14.2 °C	+0.6 °C	34 mm	-46 mm
Dec	6.6 °C	-1.3 °C	50 mm	-33 mm

The year's extremes

Hottest day

36.9 °C

24 Jun 2025

Coldest day

-13.8 °C

23 Jan 2025

Wettest day

37.7 mm

30 Oct 2025

Windiest day

37.3 km/h

16 Feb 2025

Strongest gust

83.5 km/h

16 Feb 2025

Hottest feels-like

43.4 °C

24 Jun 2025

Coldest feels-like

-18.2 °C

23 Jan 2025

Snowiest day

16.5 cm

6 Jan 2025

Sunniest day

14.2 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 Ft. Washington?

Ft. Washington has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.8 °C and it receives 1,018 mm of precipitation per year.

What is the hottest day ever recorded in Ft. Washington?

The hottest day measured in Ft. Washington between 1940 and 2025 was 29 June 2012, reaching 41.1 °C.

What is the coldest day in Ft. Washington?

The coldest day measured in Ft. Washington between 1940 and 2025 was 17 January 1982, at -20.8 °C.

Does it snow in Ft. Washington?

Yes. Ft. Washington gets on average 39.3 cm of snow per year and has around 67 frost days.

Has the climate of Ft. Washington warmed?

Yes: Ft. Washington warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ft. Washington?

The wettest day measured in Ft. Washington between 1940 and 2025 was 16 September 1999, with 148 mm of rain in 24 hours.

What was the windiest day in Ft. Washington?

The windiest day measured in Ft. Washington between 1940 and 2025 was 1 December 1974, with winds reaching 48.6 km/h.

What is the warmest month in Ft. Washington?

The warmest month in Ft. Washington is July (25.7 °C on average); the coldest is January (1.7 °C).

How much does it rain in Ft. Washington?

Ft. Washington receives on average 1,018 mm of precipitation per year, spread over about 115 rainy days.

Is it sunny in Ft. Washington?

Ft. Washington 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 Ft. Washington?

The heaviest 24-hour snowfall measured in Ft. Washington between 1940 and 2025 was 20 March 1958, with 36.1 cm.

Are there tropical nights in Ft. Washington?

Yes: Ft. Washington has on average 64 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ft. Washington?

In Ft. Washington, between 1940 and 2025, the highest apparent temperature reached 45.8 °C on 22 July 2011, and the lowest was -27.4 °C on 17 January 1982.

Compare Ft. Washington with another city

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