Weather & Climate in Sadsburyville, PA

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

Sadsburyville experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 290 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 52.1 inches (wetter than the 38-inch national average). The area receives 31.9 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 630 feet.

Temperature

30°F Jan (-1°C) 75°F Jul (24°C)

Annual Average	52.8°F
	2% below US avg
January Average	30°F (-1°C)
July Average	75°F (24°C)
Sunny Days	290 days/yr

Geography

Elevation	630 ft (192 m)
Area	0.3 sq mi (0.8 km²)
Population Density	2,627/sq mi
Coordinates	39.9823°N, 75.8939°W
Timezone	America/New_York
County	Chester County County
Nearest Airport	Reading Regional/Carl A Spaatz Field (RDG) 28 miles away

Precipitation & Snow

Annual Rainfall 52.1"

37% above US avg

Snowfall 31.9"

Wettest Month (Jul) 4.53"

Driest Month (Feb) 2.83"

Air Quality

AQI Median	40.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	91.9 / 100
Social Vulnerability	10.6 / 100
Community Resilience	85.2 / 100

Hazard Breakdown

Tornado	Relatively Moderate
Hurricane	Relatively Moderate
Earthquake	Relatively Moderate
Wildfire	Very Low
Flood	Relatively High
Hail	Relatively Low
Strong Wind	Relatively High
Heat Wave	Relatively Moderate
Winter Weather	Very High
Lightning	Relatively High
Ice Storm	Relatively High
Drought	Relatively High
Cold Wave	Relatively Moderate
Landslide	Relatively Low
Coastal Flood	No Rating

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

Earthquake History

35 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.

Apr 5, 2024	2024 Tewksbury, New Jersey Earthquake	M4.8	125 km	3 km
Jan 16, 1994	2 km W of Sinking Spring, Pennsylvania	M4.6	41 km	5 km
Jan 16, 1994	0 km E of Sinking Spring, Pennsylvania	M4.2	40 km	5 km
Apr 5, 2024	7 km WSW of Gladstone, New Jersey	M3.7	125 km	4 km
Jun 13, 2019	9 km N of Blain, Pennsylvania	M3.4	145 km	27 km
Oct 23, 1990	3 km W of Hancocks Bridge, New Jersey	M3.2	62 km	10 km
Jan 9, 1992	4 km WNW of Robertsville, New Jersey	M3.1	139 km	8 km
Aug 26, 2003	4 km NNW of Milford, New Jersey	M3.1	96 km	3 km
Jun 3, 2010	4 km ENE of Franklintown, Pennsylvania	M3.1	93 km	2 km
Nov 14, 1997	0 km S of Rothsville, Pennsylvania	M3.0	36 km	5 km
Apr 24, 2009	1 km S of Franklintown, Pennsylvania	M2.9	97 km	1 km
Apr 27, 2024	7 km WSW of Gladstone, New Jersey	M2.9	125 km	5 km
May 24, 2024	6 km E of Califon, New Jersey	M2.9	126 km	7 km
Jan 16, 1994	0 km SSE of Sinking Spring, Pennsylvania	M2.9	39 km	5 km
Sep 15, 2019	5 km ESE of East Berlin, Pennsylvania	M2.8	87 km	5 km
May 10, 1993	1 km NW of Whitfield, Pennsylvania	M2.8	42 km	5 km
Jul 1, 2009	3 km ESE of Pennsville, New Jersey	M2.8	52 km	5 km
Oct 25, 2009	4 km ENE of Franklintown, Pennsylvania	M2.8	93 km	1 km
Mar 11, 1995	0 km ENE of Landisville, Pennsylvania	M2.7	45 km	5 km
Oct 28, 1994	1 km E of Mount Vernon, Maryland	M2.7	97 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
2012	Sandy	Category 1	92 mph	298 km
2011	Irene	Category 1	75 mph	223 km
1991	Bob	Category 3	109 mph	276 km
1986	Charley	Category 1	75 mph	293 km
1985	Gloria	Category 2	98 mph	195 km

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

Tornado History

415 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 13 fatalities, 366 injuries.

Date	Rating	Distance	Path	Fatalities
Sep 1, 2021	EF3	65 km	12.4 mi	0
Jul 29, 2021	EF3	77 km	3.4 mi	0
Jul 14, 2004	EF3	67 km	7.5 mi	0
May 31, 1998	EF3	55 km	8.3 mi	0
Jul 27, 1994	EF3	30 km	4.0 mi	0
Jul 27, 1994	EF3	42 km	2.0 mi	3
Jul 26, 1981	EF3	92 km	3.3 mi	0
Jun 7, 1980	EF3	96 km	1.5 mi	0
Jun 18, 1970	EF3	58 km	1.9 mi	1
Apr 28, 1961	EF3	44 km	0.3 mi	0
Mar 22, 1955	EF3	23 km	9.6 mi	1
Apr 5, 1952	EF3	95 km	17.5 mi	0
Nov 4, 1950	EF3	31 km	15.9 mi	0
Sep 1, 2021	EF2	58 km	8.3 mi	1
Sep 1, 2021	EF2	25 km	5.9 mi	0
Jul 29, 2021	EF2	90 km	6.3 mi	0
Aug 4, 2020	EF2	80 km	20.8 mi	0
Oct 31, 2019	EF2	33 km	0.5 mi	0
May 28, 2019	EF2	20 km	3.1 mi	0
Feb 24, 2016	EF2	12 km	4.9 mi	0

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

Tsunami History

2 tsunamis recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1895	HIGH BRIDGE, NJ	Earthquake	—	—	115 km
1840	PHILADELPHIA, PENNSYLVANIA	Earthquake	—	—	63 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

16 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (2,367 acres, 1990).

Year	Name	Acres Burned	Distance
1990	UNNAMED	2,367	98 km
1996	UNNAMED	2,122	98 km
1993	UNNAMED	1,860	98 km
1985	UNNAMED	1,685	98 km
2020	BIG TIMBER	1,434	93 km
1991	KENTIS WEST	1,273	93 km
1988	BOMBAY ISLAND	1,020	89 km
2014	DEGOLIA	861	99 km
2012	HOPEWELL FIRE	812	29 km
2002	FIVE MILE FIRE	732	96 km
2015	RAZOR FIRE	728	90 km
2023	DRAGWAY	703	95 km
1985	BOMBAY HOOK	669	91 km
2001	UNNAMED	592	97 km
2024	COUNTY LINE WILDFIRE	515	97 km
2023	BUZBY BOGGS	501	86 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	30°F (-1°C)	3.5 in	Coldest
February	31°F (-1°C)	2.8 in	Driest
March	40°F (4°C)	3.7 in
April	50°F (10°C)	3.8 in
May	60°F (16°C)	4.4 in
June	69°F (20°C)	4.3 in
July	75°F (24°C)	4.5 in	Warmest, Wettest
August	73°F (23°C)	3.9 in
September	66°F (19°C)	4.1 in
October	54°F (12°C)	3.4 in
November	44°F (7°C)	3.8 in
December	35°F (2°C)	3.7 in

Sadsburyville has a seasonal temperature swing of 45°F / from 30°F in January to 75°F in July. Total annual precipitation is 45.8 inches, with July being the wettest month (4.5") and February the driest (2.8").

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