Weather & Climate in Bowleys Quarters, MD

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

Bowleys Quarters 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 293 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 47.1 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 5 feet.

Temperature

33°F Jan (1°C) 77°F Jul (25°C)

Annual Average	55.2°F
	2% above US avg
January Average	33°F (1°C)
July Average	77°F (25°C)
Sunny Days	293 days/yr

Geography

Elevation	5 ft (2 m)
Area	6.1 sq mi (15.8 km²)
Population Density	2,157/sq mi
Coordinates	39.3128°N, 76.3823°W
Timezone	America/New_York
County	Baltimore city County
Nearest Airport	Baltimore/Washington International Thurgood Marshall (BWI) 18 miles away

Precipitation & Snow

Annual Rainfall 47.1"

24% above US avg

Wettest Month (May) 4.21"

Driest Month (Feb) 2.91"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	95.0 / 100
Social Vulnerability	74.1 / 100
Community Resilience	78.8 / 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	Relatively High
Ice Storm	Relatively Moderate
Drought	No Rating
Cold Wave	Relatively High
Landslide	Very Low
Coastal Flood	Relatively Moderate

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

Earthquake History

27 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.

Jan 16, 1994	2 km W of Sinking Spring, Pennsylvania	M4.6	117 km	5 km
Jan 16, 1994	0 km E of Sinking Spring, Pennsylvania	M4.2	117 km	5 km
Jul 16, 2010	5 km NNW of Barnesville, Maryland	M3.6	89 km	7 km
Oct 23, 1990	3 km W of Hancocks Bridge, New Jersey	M3.2	79 km	10 km
Jun 3, 2010	4 km ENE of Franklintown, Pennsylvania	M3.1	100 km	2 km
Jan 17, 2016	3 km NE of Ranson, West Virginia	M3.0	124 km	5 km
Nov 14, 1997	0 km S of Rothsville, Pennsylvania	M3.0	93 km	5 km
Apr 24, 2009	1 km S of Franklintown, Pennsylvania	M2.9	100 km	1 km
Jan 16, 1994	0 km SSE of Sinking Spring, Pennsylvania	M2.9	117 km	5 km
Sep 15, 2019	5 km ESE of East Berlin, Pennsylvania	M2.8	82 km	5 km
May 10, 1993	1 km NW of Whitfield, Pennsylvania	M2.8	119 km	5 km
Jul 1, 2009	3 km ESE of Pennsville, New Jersey	M2.8	86 km	5 km
Oct 25, 2009	4 km ENE of Franklintown, Pennsylvania	M2.8	101 km	1 km
Mar 11, 1995	0 km ENE of Landisville, Pennsylvania	M2.7	88 km	5 km
Oct 28, 1994	1 km E of Mount Vernon, Maryland	M2.7	19 km	—
Mar 15, 1993	5 km W of Columbia, Maryland	M2.7	45 km	5 km
Jan 25, 2015	4 km ESE of Downingtown, Pennsylvania	M2.6	98 km	2 km
Jan 18, 1994	3 km SE of Clay, Pennsylvania	M2.6	99 km	5 km
Jun 25, 2021	2 km SE of Woodlawn, Maryland	M2.6	28 km	3 km
Jan 13, 1990	6 km ENE of Eldersburg, Maryland	M2.6	45 km	5 km

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

Hurricane History

6 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.

Year	Name	Category	Max Wind	Closest
2012	Sandy	Category 1	92 mph	298 km
2011	Irene	Category 1	75 mph	181 km
1999	Floyd	Category 1	—	281 km
1991	Bob	Category 3	109 mph	295 km
1986	Charley	Category 1	75 mph	236 km
1985	Gloria	Category 2	98 mph	192 km

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

Tornado History

459 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 12 fatalities, 380 injuries.

Date	Rating	Distance	Path	Fatalities
Apr 1, 2023	EF3	89 km	14.3 mi	1
Apr 28, 2002	EF3	100 km	18.0 mi	0
Sep 24, 2001	EF3	67 km	17.5 mi	2
Jul 19, 1996	EF3	55 km	2.2 mi	0
Jul 27, 1994	EF3	69 km	4.0 mi	0
May 22, 1983	EF3	86 km	2.0 mi	0
Jun 7, 1980	EF3	88 km	1.5 mi	0
Sep 5, 1979	EF3	85 km	17.9 mi	1
Apr 1, 1973	EF3	100 km	9.8 mi	0
Jun 9, 1961	EF3	24 km	0.1 mi	0
Apr 28, 1961	EF3	80 km	0.3 mi	0
Mar 22, 1955	EF3	98 km	9.6 mi	1
Apr 5, 1952	EF3	75 km	17.5 mi	0
Sep 1, 2021	EF2	62 km	5.9 mi	0
Sep 1, 2021	EF2	55 km	11.4 mi	0
Aug 4, 2020	EF2	79 km	35.8 mi	0
Oct 31, 2019	EF2	100 km	0.5 mi	0
Nov 2, 2018	EF2	68 km	5.5 mi	0
Jul 23, 2017	EF2	39 km	2.4 mi	0
Feb 24, 2016	EF2	83 km	4.9 mi	0

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

Tsunami History

1 tsunami recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1840	PHILADELPHIA, PENNSYLVANIA	Earthquake	—	—	115 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

4 wildfires (100+ acres) recorded within 100 km. Largest: BLACKWATER HAZARD FUEL REDUCTION (1,518 acres, 2004).

Year	Name	Acres Burned	Distance
2004	BLACKWATER HAZARD FUEL REDUCTION	1,518	100 km
1991	KENTIS WEST	1,273	83 km
1988	BOMBAY ISLAND	1,020	83 km
1985	BOMBAY HOOK	669	84 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	33°F (1°C)	3.3 in	Coldest
February	36°F (2°C)	2.9 in	Driest
March	44°F (7°C)	3.9 in
April	54°F (12°C)	3.4 in
May	64°F (18°C)	4.2 in	Wettest
June	73°F (23°C)	3.8 in
July	77°F (25°C)	4.1 in	Warmest
August	76°F (25°C)	4.1 in
September	70°F (21°C)	3.9 in
October	58°F (15°C)	3.2 in
November	48°F (9°C)	3.5 in
December	39°F (4°C)	3.7 in

Bowleys Quarters has a seasonal temperature swing of 44°F / from 33°F in January to 77°F in July. Total annual precipitation is 44.0 inches, with May being the wettest month (4.2") and February the driest (2.9").

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