Weather & Climate in Avonmore, PA

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

Avonmore experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 71°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 47.9 inches (wetter than the 38-inch national average). The area receives 45.8 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 870 feet.

Temperature

27°F Jan (-3°C) 71°F Jul (22°C)

Annual Average	49.5°F
	8% below US avg
January Average	27°F (-3°C)
July Average	71°F (22°C)
Sunny Days	275 days/yr

Geography

Elevation	870 ft (265 m)
Area	0.6 sq mi (1.6 km²)
Population Density	686/sq mi
Coordinates	40.5272°N, 79.4698°W
Timezone	America/New_York
County	Westmoreland County County
Nearest Airport	Arnold Palmer Regional (LBE) 18 miles away

Precipitation & Snow

Annual Rainfall 47.9"

26% above US avg

Snowfall 45.8"

Wettest Month (Jul) 4.37"

Driest Month (Feb) 2.52"

Air Quality

AQI Median	40.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	87.9 / 100
Social Vulnerability	30.2 / 100
Community Resilience	92.8 / 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

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

Sep 25, 1998	2 km SW of Adamsville, Pennsylvania	M4.5	132 km	5 km
Mar 30, 2024	2 km SSW of Maple Ridge, Ohio	M3.0	140 km	6 km
Aug 7, 2000	2 km S of Limaville, Ohio	M2.9	150 km	5 km
Sep 11, 2024	4 km WNW of Claysville, Pennsylvania	M2.5	94 km	4 km

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

Tornado History

266 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 16 fatalities, 534 injuries.

Date	Rating	Distance	Path	Fatalities
Jun 2, 1998	EF4	57 km	36.5 mi	0
May 31, 1985	EF4	99 km	69.0 mi	0
Jun 3, 1980	EF4	26 km	11.8 mi	0
May 31, 1998	EF3	93 km	13.0 mi	1
May 31, 1985	EF3	90 km	39.0 mi	9
Jul 11, 1976	EF3	20 km	11.8 mi	1
Aug 3, 1963	EF3	42 km	0.1 mi	2
Jun 26, 2024	EF2	22 km	10.8 mi	0
May 11, 2024	EF2	58 km	5.8 mi	0
Aug 25, 2023	EF2	63 km	2.0 mi	0
Mar 31, 2022	EF2	35 km	8.6 mi	0
Oct 21, 2021	EF2	94 km	15.7 mi	0
Oct 2, 2018	EF2	73 km	4.1 mi	0
Oct 2, 2018	EF2	43 km	1.6 mi	0
Mar 23, 2011	EF2	36 km	9.0 mi	0
Apr 28, 2002	EF2	21 km	5.0 mi	0
Jun 2, 1998	EF2	88 km	12.0 mi	0
Jun 2, 1998	EF2	78 km	15.0 mi	0
Aug 15, 1997	EF2	25 km	3.5 mi	0
Jul 19, 1996	EF2	63 km	10.0 mi	0

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

Wildfire History

1 wildfire (100+ acres) recorded within 100 km. Largest: UNNAMED (510 acres, 2005).

Year	Name	Acres Burned	Distance
2005	UNNAMED	510	96 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	27°F (-3°C)	2.6 in	Coldest
February	29°F (-2°C)	2.5 in	Driest
March	38°F (3°C)	3.4 in
April	48°F (9°C)	3.4 in
May	58°F (15°C)	4.1 in
June	67°F (19°C)	4.3 in
July	71°F (22°C)	4.4 in	Warmest, Wettest
August	69°F (21°C)	3.9 in
September	63°F (17°C)	3.6 in
October	52°F (11°C)	2.9 in
November	42°F (5°C)	3.4 in
December	32°F (-0°C)	3.0 in

Avonmore has a seasonal temperature swing of 44°F / from 27°F in January to 71°F in July. Total annual precipitation is 41.5 inches, with July being the wettest month (4.4") and February the driest (2.5").

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