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Weather & Climate in West Lawn, PA

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

West Lawn experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 31°F in January while summers reach 76°F in July. The area gets 275 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 45.2 inches. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 354 feet.

Temperature

31°F Jan (-1°C) 76°F Jul (25°C)
Annual Average53.7°F
1% below US avg
January Average31°F (-1°C)
July Average76°F (25°C)
Sunny Days275 days/yr

Geography

Elevation354 ft (108 m)
Area0.2 sq mi (0.5 km²)
Population Density5,776/sq mi
Coordinates40.3289°N, 75.9938°W
TimezoneAmerica/New_York
CountyBerks County County
Nearest AirportReading Regional/Carl A Spaatz Field (RDG)
4 miles away

Precipitation & Snow

Annual Rainfall 45.2"
19% above US avg
Wettest Month (May) 4.41"
Driest Month (Feb) 2.80"

Air Quality

AQI Median40.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score92.7 / 100
Social Vulnerability48.5 / 100
Community Resilience85.6 / 100

Hazard Breakdown

Tornado Relatively High
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 Moderate
Drought Relatively High
Cold Wave Relatively High
Landslide Relatively Moderate
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

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

Apr 5, 2024 2024 Tewksbury, New Jersey Earthquake M4.8 112 km 3 km
Jan 16, 1994 2 km W of Sinking Spring, Pennsylvania M4.6 4 km 5 km
Jan 16, 1994 0 km E of Sinking Spring, Pennsylvania M4.2 1 km 5 km
Apr 5, 2024 7 km WSW of Gladstone, New Jersey M3.7 113 km 4 km
Jun 13, 2019 9 km N of Blain, Pennsylvania M3.4 129 km 27 km
Oct 23, 1990 3 km W of Hancocks Bridge, New Jersey M3.2 100 km 10 km
Jan 9, 1992 4 km WNW of Robertsville, New Jersey M3.1 140 km 8 km
Aug 26, 2003 4 km NNW of Milford, New Jersey M3.1 81 km 3 km
Jun 3, 2010 4 km ENE of Franklintown, Pennsylvania M3.1 88 km 2 km
Nov 14, 1997 0 km S of Rothsville, Pennsylvania M3.0 30 km 5 km
Feb 3, 2009 1 km ESE of Victory Gardens, New Jersey M3.0 138 km 0 km
Apr 24, 2009 1 km S of Franklintown, Pennsylvania M2.9 93 km 1 km
Apr 27, 2024 7 km WSW of Gladstone, New Jersey M2.9 113 km 5 km
May 24, 2024 6 km E of Califon, New Jersey M2.9 113 km 7 km
Jan 16, 1994 0 km SSE of Sinking Spring, Pennsylvania M2.9 1 km 5 km
Sep 15, 2019 5 km ESE of East Berlin, Pennsylvania M2.8 90 km 5 km
Jun 10, 2025 10 km NW of Forksville, Pennsylvania M2.8 149 km 8 km
May 10, 1993 1 km NW of Whitfield, Pennsylvania M2.8 3 km 5 km
Jul 1, 2009 3 km ESE of Pennsville, New Jersey M2.8 88 km 5 km
Oct 25, 2009 4 km ENE of Franklintown, Pennsylvania M2.8 87 km 1 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

2 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 262 km
1985 Gloria Category 2 98 mph 207 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

411 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 9 fatalities, 266 injuries.

Date Rating Distance Path Fatalities
Sep 1, 2021 EF3 96 km 12.4 mi 0
Jul 29, 2021 EF3 87 km 3.4 mi 0
Jul 14, 2004 EF3 50 km 7.5 mi 0
May 31, 1998 EF3 19 km 8.3 mi 0
Jul 27, 1994 EF3 42 km 2.0 mi 3
Jul 27, 1994 EF3 69 km 4.0 mi 0
Jul 26, 1981 EF3 60 km 3.3 mi 0
Jun 7, 1980 EF3 98 km 1.5 mi 0
Mar 21, 1976 EF3 100 km 0.5 mi 0
Jun 18, 1970 EF3 27 km 1.9 mi 1
Apr 28, 1961 EF3 82 km 0.3 mi 0
Mar 22, 1955 EF3 51 km 9.6 mi 1
Nov 4, 1950 EF3 18 km 15.9 mi 0
Sep 1, 2021 EF2 69 km 8.3 mi 1
Sep 1, 2021 EF2 62 km 5.9 mi 0
Jul 29, 2021 EF2 89 km 6.3 mi 0
Aug 4, 2020 EF2 92 km 20.8 mi 0
Oct 31, 2019 EF2 61 km 0.5 mi 0
May 28, 2019 EF2 20 km 3.1 mi 0
Feb 24, 2016 EF2 36 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 — — 101 km
1840 PHILADELPHIA, PENNSYLVANIA Earthquake — — 90 km
Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

5 wildfires (100+ acres) recorded within 100 km. Largest: PENOBSCOT (2,091 acres, 2009).

Year Name Acres Burned Distance
2009 PENOBSCOT 2,091 97 km
2004 CRYSTAL LAKE 1,838 93 km
2012 HOPEWELL FIRE 812 24 km
2015 RAZOR FIRE 728 57 km
2015 PIPELINE 1 666 92 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 31°F (-1°C) 3.4 in
February 31°F (-1°C) 2.8 in Coldest, Driest
March 40°F (4°C) 3.5 in
April 50°F (10°C) 3.7 in
May 60°F (16°C) 4.4 in Wettest
June 69°F (20°C) 4.3 in
July 76°F (25°C) 4.3 in Warmest
August 72°F (22°C) 3.9 in
September 65°F (19°C) 4.1 in
October 54°F (12°C) 3.3 in
November 44°F (7°C) 3.8 in
December 34°F (1°C) 3.5 in

West Lawn has a seasonal temperature swing of 46°F / from 31°F in February to 76°F in July. Total annual precipitation is 45.0 inches, with May being the wettest month (4.4") and February the driest (2.8").

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