Jennerstown, PA

Full City Profile · Pennsylvania · Westmoreland County County

3.3 /5.0
B Good
1,153 Population 601/sq mi density
$61,410 Median Income $41,354 per capita
$192,400 Home Value $150,948 Zillow
$872 Median Rent 51.0% income on rent
46°F Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$61,410 median income, 5.5% unemployment
A+
Affordability
4.9 / 5.0
$192,400 home value, $872/mo rent
D
Education
1.6 / 5.0
7.9% bachelor's degree or higher
Jennerstown experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 23°F in January while summers reach 66°F in July. Annual precipitation totals 45.1 inches. The area receives 64.6 inches of snow annually. Air quality is rated Good with a median AQI of 39.

Temperature

23°F Jan (-5°C) 66°F Jul (19°C)
Annual Average45.6°F
16% below US avg
January Average23°F (-5°C)
July Average66°F (19°C)

Geography

Elevation1,877 ft (572 m)
Area1.9 sq mi (5.0 km²)
Population Density601/sq mi
Coordinates40.1633°N, 79.0610°W
TimezoneAmerica/New_York
CountyWestmoreland County County
Nearest AirportArnold Palmer Regional (LBE)
20 miles away

Precipitation & Snow

Annual Rainfall 45.1"
19% above US avg
Snowfall 64.6"
Wettest Month (Jun) 4.64"
Driest Month (Feb) 2.59"

Air Quality

AQI Median39.0
RatingGood
Good Days %76.6%
Unhealthy Days0

Air Pollutants (EPA 2023)

Ozone (O₃)0.0423 ppm
PM2.5 (Fine Particles)8.3 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score87.9 / 100
Social Vulnerability30.2 / 100
Community Resilience92.8 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Relatively Low
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively High
Hail Relatively Moderate
Strong Wind Relatively High
Heat Wave Relatively Low
Winter Weather Relatively Moderate
Lightning Relatively High
Ice Storm Relatively Moderate
Drought Very Low
Cold Wave Very Low
Landslide Relatively Moderate
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

3 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.4. Most recent: M2.5 on Sep 11, 2024.

Jun 13, 2019 9 km N of Blain, Pennsylvania M3.4 135 km
Jan 17, 2016 3 km NE of Ranson, West Virginia M3.0 141 km
Sep 11, 2024 4 km WNW of Claysville, Pennsylvania M2.5 119 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

210 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 6 fatalities, 376 injuries.

Date Rating Distance Fatalities
Jun 2, 1998 EF4 19 km 0
Jun 3, 1980 EF4 78 km 0
May 31, 1998 EF3 46 km 1
Jul 11, 1976 EF3 43 km 1
May 19, 1967 EF3 90 km 1
Aug 3, 1963 EF3 72 km 2
Jun 26, 2024 EF2 57 km 0
May 11, 2024 EF2 86 km 0
Aug 25, 2023 EF2 41 km 0
Mar 31, 2022 EF2 79 km 0
Oct 2, 2018 EF2 29 km 0
Mar 23, 2011 EF2 59 km 0
Apr 28, 2002 EF2 47 km 0
Jun 2, 1998 EF2 87 km 0
Jun 2, 1998 EF2 68 km 0
Jun 2, 1998 EF2 38 km 0
Aug 15, 1997 EF2 29 km 0
Jul 19, 1996 EF2 86 km 0
Jul 19, 1996 EF2 50 km 0
Sep 26, 1994 EF2 70 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

2 wildfires (100+ acres) within 100 km. Largest: BEAR DEN (945 ac, 2014).

Year Name Acres Distance
2014 BEAR DEN 945 49 km
2005 UNNAMED 510 43 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 23°F (-5°C) 3.4 in Coldest
February 25°F (-4°C) 2.6 in Driest
March 33°F (0°C) 3.6 in
April 45°F (7°C) 4.1 in
May 55°F (13°C) 4.4 in
June 62°F (17°C) 4.6 in Wettest
July 66°F (19°C) 3.7 in Warmest
August 65°F (19°C) 4.2 in
September 59°F (15°C) 3.7 in
October 48°F (9°C) 3.6 in
November 37°F (3°C) 3.4 in
December 28°F (-2°C) 3.7 in

Jennerstown has a seasonal temperature swing of 44°F / from 23°F in January to 66°F in July. Total annual precipitation is 45.1 inches, with June being the wettest month (4.6") and February the driest (2.6").

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