Weather & Climate in Seabrook, MD

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Seabrook experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 33°F in January while summers reach 77°F in July. The area gets 297 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 169 feet.

Temperature

33°F Jan (0°C) 77°F Jul (25°C)

Annual Average	54.9°F
	2% above US avg
January Average	33°F (0°C)
July Average	77°F (25°C)
Sunny Days	297 days/yr

Geography

Elevation	169 ft (52 m)
Area	3.0 sq mi (7.8 km²)
Population Density	6,005/sq mi
Coordinates	38.9821°N, 76.8511°W
Timezone	America/New_York
County	Prince George's County County
Nearest Airport	Ronald Reagan Washington Ntl (DCA) 13 miles away

Precipitation & Snow

Wettest Month (May) 4.37"

Driest Month (Feb) 2.80"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	93.2 / 100
Social Vulnerability	49.4 / 100
Community Resilience	29.8 / 100

Hazard Breakdown

Tornado	Relatively High
Hurricane	Relatively Moderate
Earthquake	Relatively Moderate
Wildfire	Very Low
Flood	Relatively High
Hail	Relatively Moderate
Strong Wind	Relatively High
Heat Wave	Relatively High
Winter Weather	Very High
Lightning	Very High
Ice Storm	Relatively Moderate
Drought	Relatively Moderate
Cold Wave	Relatively Moderate
Landslide	Relatively Moderate
Coastal Flood	Relatively Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

24 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.

Jul 16, 2010	5 km NNW of Barnesville, Maryland	M3.6	57 km	7 km
Sep 1, 2011	7 km SSW of Mineral, Virginia	M3.4	148 km	3 km
Oct 23, 1990	3 km W of Hancocks Bridge, New Jersey	M3.2	130 km	10 km
Jun 3, 2010	4 km ENE of Franklintown, Pennsylvania	M3.1	123 km	2 km
Jan 17, 2016	3 km NE of Ranson, West Virginia	M3.0	92 km	5 km
Nov 14, 1997	0 km S of Rothsville, Pennsylvania	M3.0	139 km	5 km
Oct 2, 2010	10 km NNW of Ashland, Virginia	M3.0	138 km	19 km
Apr 24, 2009	1 km S of Franklintown, Pennsylvania	M2.9	121 km	1 km
Sep 15, 2019	5 km ESE of East Berlin, Pennsylvania	M2.8	105 km	5 km
Mar 15, 2015	6 km SW of Mineral, Virginia	M2.8	149 km	5 km
Jul 1, 2009	3 km ESE of Pennsville, New Jersey	M2.8	139 km	5 km
Oct 25, 2009	4 km ENE of Franklintown, Pennsylvania	M2.8	124 km	1 km
Mar 15, 1993	5 km W of Columbia, Maryland	M2.7	28 km	5 km
Oct 28, 1994	1 km E of Mount Vernon, Maryland	M2.7	42 km	—
Mar 11, 1995	0 km ENE of Landisville, Pennsylvania	M2.7	130 km	5 km
Aug 25, 2011	7 km SE of Mineral, Virginia	M2.6	144 km	6 km
Jan 18, 1994	3 km SE of Clay, Pennsylvania	M2.6	145 km	5 km
Jan 13, 1990	6 km ENE of Eldersburg, Maryland	M2.6	49 km	5 km
Jun 25, 2021	2 km SE of Woodlawn, Maryland	M2.6	38 km	3 km
Jul 27, 1997	5 km SSE of Culpeper, Virginia	M2.5	116 km	19 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.

Year	Name	Category	Max Wind	Closest
2011	Irene	Category 1	75 mph	189 km
2003	Isabel	Category 1	75 mph	265 km
1999	Floyd	Category 1	—	251 km
1986	Charley	Category 1	81 mph	228 km
1985	Gloria	Category 2	98 mph	214 km

Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

481 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 12 fatalities, 394 injuries.

Date	Rating	Distance	Path	Fatalities
Apr 28, 2002	EF4	56 km	38.0 mi	3
Sep 17, 2004	EF3	97 km	9.0 mi	0
Apr 28, 2002	EF3	79 km	18.0 mi	0
Sep 24, 2001	EF3	13 km	17.5 mi	2
Jul 19, 1996	EF3	59 km	2.2 mi	0
May 22, 1983	EF3	87 km	2.0 mi	0
Sep 5, 1979	EF3	30 km	17.9 mi	1
Jan 26, 1978	EF3	66 km	0.7 mi	1
Apr 1, 1973	EF3	46 km	9.8 mi	0
Jun 9, 1961	EF3	31 km	0.1 mi	0
Apr 5, 1952	EF3	92 km	17.5 mi	0
Sep 1, 2021	EF2	27 km	11.4 mi	0
Nov 2, 2018	EF2	49 km	5.5 mi	0
Jul 23, 2017	EF2	44 km	2.4 mi	0
May 8, 2008	EF2	90 km	3.4 mi	0
Sep 18, 2004	EF2	90 km	2.0 mi	0
Sep 17, 2004	EF2	84 km	13.0 mi	0
Sep 17, 2004	EF2	52 km	15.0 mi	0
Sep 17, 2004	EF2	64 km	4.0 mi	0
Sep 17, 2004	EF2	76 km	3.0 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: BESTPITCH (7,743 acres, 2017).

Year	Name	Acres Burned	Distance
2017	BESTPITCH	7,743	99 km
2004	RETAINING ECOLOGICAL HEALTH	5,678	94 km
2014	BLACKWATER MARSH WUI BURNS FY14	5,433	96 km
2005	MARSH RX-FWS	4,380	96 km
1999	FB R O C I	3,525	98 km
2019	MDBWR-FY19-RX-MDWHS SUPPORT	3,197	96 km
2011	COMPARTMENT J	2,775	96 km
1992	UNNAMED	2,038	99 km
2005	VEGETATION RESEARCH	1,926	98 km
2011	THOROFARE	1,850	98 km
1987	UNNAMED	1,692	93 km
2004	ROBBINS FIRE	1,612	98 km
2004	BLACKWATER HAZARD FUEL REDUCTION	1,518	88 km
2009	BECKERS ISLAND	1,398	98 km
2006	UNNAMED	1,260	94 km
1999	FB A 3	1,156	94 km
2006	L 2 FB H 2 G 2	1,039	96 km
2011	COMPARTMENT E42 AND 43	991	92 km
2005	UNNAMED	942	96 km
1999	NCO	816	66 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	33°F (0°C)	3.2 in	Coldest
February	37°F (3°C)	2.8 in	Driest
March	45°F (7°C)	3.7 in
April	55°F (13°C)	3.3 in
May	65°F (18°C)	4.4 in	Wettest
June	73°F (23°C)	3.6 in
July	77°F (25°C)	4.2 in	Warmest
August	76°F (25°C)	3.9 in
September	70°F (21°C)	3.9 in
October	58°F (14°C)	3.4 in
November	48°F (9°C)	3.4 in
December	39°F (4°C)	3.3 in

Seabrook has a seasonal temperature swing of 45°F / from 33°F in January to 77°F in July. Total annual precipitation is 43.1 inches, with May being the wettest month (4.4") and February the driest (2.8").

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