Hyattsville climate — normals and trends

Q: What is the climate of Hyattsville?

Hyattsville has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.4 °C and it receives 1,038 mm of precipitation per year.

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

The hottest day measured in Hyattsville between 1940 and 2025 was 16 July 1988, reaching 40.3 °C.

Q: What is the coldest day in Hyattsville?

The coldest day measured in Hyattsville between 1940 and 2025 was 11 February 1979, at -22.1 °C.

Q: Does it snow in Hyattsville?

Yes. Hyattsville gets on average 44.1 cm of snow per year and has around 77 frost days.

Q: Has the climate of Hyattsville warmed?

Yes: Hyattsville warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Hyattsville?

The wettest day measured in Hyattsville between 1940 and 2025 was 14 September 1966, with 153 mm of rain in 24 hours.

Q: What was the windiest day in Hyattsville?

The windiest day measured in Hyattsville between 1940 and 2025 was 1 December 1974, with winds reaching 51.9 km/h.

Q: What is the warmest month in Hyattsville?

The warmest month in Hyattsville is July (25.4 °C on average); the coldest is January (1.1 °C).

Q: How much does it rain in Hyattsville?

Hyattsville receives on average 1,038 mm of precipitation per year, spread over about 116 rainy days.

Q: Is it sunny in Hyattsville?

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

Hyattsville (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.4 °C and it receives 1,038 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 (25.4 °C on average) and the coldest is January (1.1 °C). Rainfall peaks in July.

Hyattsville averages 77 frost days, 53 hot days (≥ 30 °C) and 116 rainy days per year.

Hyattsville has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The number of frost days there went from about 85 to 69 per year over the period.

The hottest day of the period reached 40.3 °C (on 16 July 1988) and the coldest -22.1 °C (on 11 February 1979).

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

HyattsvilleMaryland

coords: 38.96°, -76.95°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthFebruary

Mean daily temperature

13.4°C

Average daily high

18.4°C

Average daily low

8.7°C

Annual rainfall

1,038mm

Sunshine / day

9.0h

Mean relative humidity

67%

Average peak wind

15.8km/h

Seasonal range

24.3°C

Frost days (< 0 °C)

77 d/yr

Hot days (≥ 30 °C)

53 d/yr

Rainy days (≥ 1 mm)

116 d/yr

Annual snowfall

44.1 cm

Average feels-like high

17.4 °C

Average feels-like low

6.7 °C

Average peak gust

35.8 km/h

Tropical nights (≥ 20 °C)

55 d/yr

Solar radiation

15.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.42 · 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

16 July 1988

Coldest day

-22.1 °C

11 February 1979

Wettest day

153 mm

14 September 1966

Windiest day

51.9 km/h

1 December 1974

Strongest gust

115.6 km/h

19 September 2003

Hottest feels-like

46.2 °C

22 July 2011

Coldest feels-like

-28.5 °C

19 January 1994

Snowiest day

40.8 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	37.0 °C24 June 2025	-14.2 °C23 January 2025	13.8 °C	1,101 mm	47	80
2024	38.4 °C16 July 2024	-13.4 °C17 January 2024	14.8 °C	1,063 mm	57	57
2023	38.3 °C4 September 2023	-9.5 °C4 February 2023	15.1 °C	1,001 mm	58	43
2022	36.1 °C31 May 2022	-13.9 °C24 December 2022	14.2 °C	1,269 mm	65	77
2021	36.8 °C12 August 2021	-5.5 °C8 March 2021	14.8 °C	1,032 mm	66	68
2020	38.0 °C20 July 2020	-7.8 °C15 February 2020	14.9 °C	1,429 mm	60	52
2019	37.7 °C20 July 2019	-15.8 °C31 January 2019	14.8 °C	1,095 mm	88	75
2018	35.8 °C16 July 2018	-15.3 °C3 January 2018	14.1 °C	1,599 mm	61	83
2017	36.4 °C13 June 2017	-12.5 °C9 January 2017	14.8 °C	1,025 mm	67	57
2016	37.6 °C25 July 2016	-12.3 °C14 February 2016	14.5 °C	1,072 mm	64	70
2015	35.5 °C19 July 2015	-17.7 °C20 February 2015	14.2 °C	957 mm	65	73
2014	36.6 °C2 July 2014	-16.6 °C23 January 2014	13.0 °C	1,004 mm	49	90
2013	36.6 °C19 July 2013	-12.2 °C23 January 2013	13.6 °C	1,083 mm	54	78
2012	40.2 °C7 July 2012	-10.8 °C4 January 2012	15.1 °C	856 mm	63	54
2011	40.1 °C22 July 2011	-10.4 °C24 January 2011	14.5 °C	1,265 mm	66	73
2010	39.9 °C24 July 2010	-13.4 °C31 January 2010	14.4 °C	1,014 mm	86	76
2009	36.1 °C10 August 2009	-15.1 °C17 January 2009	13.5 °C	1,177 mm	47	75
2008	36.8 °C10 June 2008	-11.8 °C21 January 2008	13.8 °C	1,083 mm	50	73
2007	37.7 °C8 August 2007	-13.2 °C6 February 2007	14.2 °C	785 mm	72	76
2006	37.8 °C3 August 2006	-11.8 °C19 February 2006	14.5 °C	1,084 mm	60	56
2005	36.8 °C27 July 2005	-14.1 °C24 January 2005	13.8 °C	1,028 mm	71	81
2004	33.9 °C5 July 2004	-13.7 °C10 January 2004	13.5 °C	1,140 mm	40	81
2003	33.9 °C22 August 2003	-13.6 °C18 January 2003	12.7 °C	1,311 mm	31	88
2002	37.9 °C4 July 2002	-14.6 °C7 December 2002	14.4 °C	964 mm	69	66
2001	35.7 °C9 August 2001	-6.8 °C23 February 2001	14.0 °C	869 mm	30	73
2000	34.4 °C11 June 2000	-13.3 °C22 January 2000	13.2 °C	902 mm	32	82
1999	38.3 °C5 July 1999	-11.1 °C6 January 1999	14.0 °C	972 mm	56	69
1998	36.1 °C26 June 1998	-7.4 °C23 December 1998	14.8 °C	961 mm	62	46
1997	38.3 °C15 July 1997	-15.8 °C19 January 1997	13.2 °C	886 mm	49	70
1996	34.0 °C20 May 1996	-21.3 °C5 February 1996	12.5 °C	1,446 mm	17	82
1995	39.6 °C15 July 1995	-15.8 °C7 February 1995	13.8 °C	1,040 mm	68	81
1994	37.6 °C15 June 1994	-22.1 °C19 January 1994	13.6 °C	1,084 mm	57	70
1993	37.9 °C10 July 1993	-14.3 °C15 March 1993	13.3 °C	1,119 mm	66	77
1992	37.6 °C14 July 1992	-10.2 °C19 January 1992	12.7 °C	985 mm	34	76
1991	37.6 °C21 July 1991	-10.1 °C23 January 1991	14.5 °C	944 mm	76	74
1990	38.3 °C5 July 1990	-11.2 °C26 February 1990	14.5 °C	1,036 mm	49	59
1989	36.2 °C11 July 1989	-15.6 °C19 December 1989	12.7 °C	1,245 mm	36	94
1988	40.3 °C16 July 1988	-17.2 °C11 January 1988	13.1 °C	858 mm	68	88
1987	38.3 °C21 July 1987	-18.2 °C28 January 1987	13.5 °C	931 mm	65	74
1986	37.6 °C7 July 1986	-12.4 °C28 January 1986	13.6 °C	878 mm	70	81
1985	37.2 °C14 August 1985	-20.7 °C21 January 1985	13.7 °C	975 mm	57	80
1984	35.5 °C9 June 1984	-22.1 °C22 January 1984	13.1 °C	1,125 mm	42	78
1983	38.2 °C20 August 1983	-18.3 °C25 December 1983	13.2 °C	1,217 mm	63	70
1982	34.5 °C26 July 1982	-21.7 °C17 January 1982	12.8 °C	1,047 mm	31	84
1981	36.7 °C20 July 1981	-15.3 °C13 January 1981	12.8 °C	787 mm	40	87
1980	38.0 °C16 July 1980	-14.7 °C26 December 1980	13.1 °C	842 mm	72	85
1979	34.0 °C12 July 1979	-22.1 °C11 February 1979	12.8 °C	1,250 mm	31	81
1978	38.7 °C23 July 1978	-14.9 °C24 January 1978	12.9 °C	1,087 mm	61	83
1977	36.5 °C6 July 1977	-20.0 °C17 January 1977	13.4 °C	958 mm	59	86
1976	34.9 °C28 June 1976	-12.7 °C19 January 1976	12.8 °C	913 mm	56	92
1975	35.8 °C2 August 1975	-11.0 °C15 January 1975	13.4 °C	1,199 mm	43	79
1974	35.4 °C9 July 1974	-9.1 °C10 February 1974	13.4 °C	991 mm	44	65
1973	37.6 °C28 August 1973	-13.0 °C17 February 1973	13.7 °C	1,021 mm	51	70
1972	34.7 °C21 July 1972	-16.8 °C16 January 1972	12.7 °C	1,240 mm	38	79
1971	35.1 °C8 July 1971	-13.2 °C2 February 1971	13.3 °C	1,205 mm	39	72
1970	36.0 °C4 July 1970	-18.0 °C22 January 1970	13.0 °C	831 mm	64	84
1969	36.3 °C5 July 1969	-11.7 °C5 January 1969	12.6 °C	1,014 mm	49	99
1968	36.3 °C25 August 1968	-17.8 °C12 January 1968	12.8 °C	924 mm	52	87
1967	34.1 °C16 June 1967	-17.7 °C9 February 1967	12.2 °C	1,038 mm	35	86
1966	38.2 °C3 July 1966	-16.2 °C29 January 1966	12.4 °C	1,013 mm	68	95
1965	34.9 °C16 August 1965	-16.5 °C18 January 1965	12.5 °C	718 mm	53	89
1964	37.1 °C10 June 1964	-19.4 °C15 January 1964	12.9 °C	991 mm	52	90
1963	35.7 °C19 July 1963	-15.8 °C29 January 1963	12.3 °C	821 mm	56	93
1962	38.4 °C20 August 1962	-15.7 °C11 February 1962	12.4 °C	968 mm	55	88
1961	34.6 °C31 August 1961	-18.7 °C28 January 1961	12.8 °C	1,084 mm	62	75
1960	35.8 °C3 July 1960	-21.8 °C23 December 1960	12.4 °C	1,040 mm	50	102
1959	39.2 °C29 June 1959	-12.1 °C18 January 1959	14.0 °C	963 mm	80	87
1958	34.5 °C2 July 1958	-16.1 °C17 February 1958	12.1 °C	1,158 mm	40	80
1957	39.0 °C21 July 1957	-20.6 °C18 January 1957	13.5 °C	991 mm	63	69
1956	37.1 °C2 July 1956	-8.9 °C27 January 1956	12.9 °C	1,131 mm	42	75
1955	36.3 °C22 July 1955	-13.7 °C3 February 1955	13.1 °C	1,055 mm	48	90
1954	39.6 °C14 July 1954	-19.5 °C18 January 1954	13.6 °C	820 mm	58	78
1953	39.3 °C31 August 1953	-8.6 °C18 December 1953	14.3 °C	959 mm	65	68
1952	38.9 °C26 June 1952	-12.1 °C31 January 1952	13.4 °C	1,327 mm	55	68
1951	34.6 °C27 July 1951	-12.7 °C17 December 1951	13.2 °C	996 mm	53	78
1950	34.3 °C24 June 1950	-11.3 °C27 December 1950	12.8 °C	997 mm	28	85
1949	36.7 °C10 August 1949	-8.3 °C17 December 1949	14.2 °C	880 mm	53	58
1948	36.8 °C28 August 1948	-15.9 °C31 January 1948	12.7 °C	1,209 mm	40	77
1947	34.7 °C14 August 1947	-13.5 °C5 February 1947	12.6 °C	896 mm	30	93
1946	32.7 °C19 July 1946	-10.8 °C28 January 1946	13.5 °C	919 mm	22	62
1945	36.4 °C1 July 1945	-13.4 °C25 January 1945	12.8 °C	1,114 mm	27	80
1944	34.8 °C30 July 1944	-8.7 °C9 January 1944	12.9 °C	1,068 mm	48	89
1943	35.9 °C14 August 1943	-14.4 °C15 February 1943	12.7 °C	776 mm	64	90
1942	35.6 °C19 July 1942	-15.1 °C21 December 1942	13.0 °C	1,244 mm	31	78
1941	36.1 °C28 July 1941	-10.2 °C18 March 1941	13.2 °C	842 mm	50	95
1940	35.6 °C26 July 1940	-15.2 °C27 January 1940	12.0 °C	1,058 mm	24	87

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

18.8 °C

+0.4 °C

Hot days (≥ 30 °C)

47 d/yr

-6

Frost days (< 0 °C)

80 d/yr

Annual rainfall

1101 mm

+63 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	3.3 °C	-2.0 °C	53 mm	-26 mm
Feb	7.5 °C	+0.3 °C	86 mm	+11 mm
Mar	16.6 °C	+4.4 °C	57 mm	-38 mm
Apr	20.3 °C	+1.9 °C	75 mm	-11 mm
May	23.3 °C	-0.3 °C	193 mm	+97 mm
Jun	29.5 °C	+1.1 °C	138 mm	+52 mm
Jul	31.2 °C	+0.6 °C	246 mm	+147 mm
Aug	27.3 °C	-2.1 °C	23 mm	-66 mm
Sep	26.1 °C	+0.4 °C	82 mm	-8 mm
Oct	19.7 °C	+0.1 °C	56 mm	-22 mm
Nov	13.8 °C	+0.6 °C	39 mm	-42 mm
Dec	6.1 °C	-1.3 °C	54 mm	-31 mm

The year's extremes

Hottest day

37.0 °C

24 Jun 2025

Coldest day

-14.2 °C

23 Jan 2025

Wettest day

42.2 mm

14 Jul 2025

Windiest day

41.3 km/h

16 Feb 2025

Strongest gust

85.3 km/h

16 Feb 2025

Hottest feels-like

43.0 °C

24 Jun 2025

Coldest feels-like

-18.7 °C

23 Jan 2025

Snowiest day

15.4 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 Hyattsville?

Hyattsville has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.4 °C and it receives 1,038 mm of precipitation per year.

What is the hottest day ever recorded in Hyattsville?

The hottest day measured in Hyattsville between 1940 and 2025 was 16 July 1988, reaching 40.3 °C.

What is the coldest day in Hyattsville?

The coldest day measured in Hyattsville between 1940 and 2025 was 11 February 1979, at -22.1 °C.

Does it snow in Hyattsville?

Yes. Hyattsville gets on average 44.1 cm of snow per year and has around 77 frost days.

Has the climate of Hyattsville warmed?

Yes: Hyattsville warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hyattsville?

The wettest day measured in Hyattsville between 1940 and 2025 was 14 September 1966, with 153 mm of rain in 24 hours.

What was the windiest day in Hyattsville?

The windiest day measured in Hyattsville between 1940 and 2025 was 1 December 1974, with winds reaching 51.9 km/h.

What is the warmest month in Hyattsville?

The warmest month in Hyattsville is July (25.4 °C on average); the coldest is January (1.1 °C).

How much does it rain in Hyattsville?

Hyattsville receives on average 1,038 mm of precipitation per year, spread over about 116 rainy days.

Is it sunny in Hyattsville?

Hyattsville 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 Hyattsville?

The heaviest 24-hour snowfall measured in Hyattsville between 1940 and 2025 was 20 March 1958, with 40.8 cm.

Are there tropical nights in Hyattsville?

Yes: Hyattsville has on average 55 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hyattsville?

In Hyattsville, between 1940 and 2025, the highest apparent temperature reached 46.2 °C on 22 July 2011, and the lowest was -28.5 °C on 19 January 1994.

Compare Hyattsville with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Hyattsville

Other cities — United States

All cities in United States →