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Weather & Climate in Leechburg, PA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Leechburg experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 28°F in January while summers reach 73°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 43.5 inches. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 900 feet.
Temperature
28°F Jan (-2°C)
73°F Jul (23°C)
| Annual Average | 51.8°F |
| 4% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 900 ft (274 m) |
| Area | 0.2 sq mi (0.5 km²) |
| Population Density | 4,664/sq mi |
| Coordinates | 40.6304°N, 79.6022°W |
| Timezone | America/New_York |
| County | Armstrong County County |
| Nearest Airport | Pittsburgh/Butler Regional (BTP) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 69.3 / 100 |
| Social Vulnerability | 42.9 / 100 |
| Community Resilience | 86.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| 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 | 117 km | 5 km |
| Mar 30, 2024 | 2 km SSW of Maple Ridge, Ohio | M3.0 | 126 km | 6 km |
| Aug 7, 2000 | 2 km S of Limaville, Ohio | M2.9 | 135 km | 5 km |
| Sep 11, 2024 | 4 km WNW of Claysville, Pennsylvania | M2.5 | 91 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
277 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 15 fatalities, 545 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 2, 1998 | EF4 | 72 km | 36.5 mi | 0 |
| May 31, 1985 | EF4 | 99 km | 69.0 mi | 0 |
| Jun 3, 1980 | EF4 | 11 km | 11.8 mi | 0 |
| May 31, 1985 | EF3 | 76 km | 39.0 mi | 9 |
| Jul 11, 1976 | EF3 | 32 km | 11.8 mi | 1 |
| Aug 3, 1963 | EF3 | 42 km | 0.1 mi | 2 |
| Jun 26, 2024 | EF2 | 27 km | 10.8 mi | 0 |
| May 11, 2024 | EF2 | 56 km | 5.8 mi | 0 |
| Aug 25, 2023 | EF2 | 76 km | 2.0 mi | 0 |
| Mar 31, 2022 | EF2 | 30 km | 8.6 mi | 0 |
| Oct 21, 2021 | EF2 | 89 km | 15.7 mi | 0 |
| Oct 2, 2018 | EF2 | 68 km | 4.1 mi | 0 |
| Oct 2, 2018 | EF2 | 57 km | 1.6 mi | 0 |
| Mar 23, 2011 | EF2 | 41 km | 9.0 mi | 0 |
| Apr 28, 2002 | EF2 | 32 km | 5.0 mi | 0 |
| Apr 9, 2001 | EF2 | 90 km | 4.0 mi | 0 |
| Jun 2, 1998 | EF2 | 92 km | 15.0 mi | 0 |
| Jun 2, 1998 | EF2 | 98 km | 12.0 mi | 0 |
| Aug 15, 1997 | EF2 | 41 km | 3.5 mi | 0 |
| Jul 19, 1996 | EF2 | 55 km | 10.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 2.5 in | Coldest |
| February | 29°F (-2°C) | 2.4 in | Driest |
| March | 38°F (3°C) | 3.4 in | |
| April | 48°F (9°C) | 3.4 in | |
| May | 59°F (15°C) | 4.1 in | |
| June | 67°F (19°C) | 4.1 in | |
| July | 73°F (23°C) | 4.3 in | Warmest, Wettest |
| August | 70°F (21°C) | 3.8 in | |
| September | 63°F (17°C) | 3.5 in | |
| October | 52°F (11°C) | 2.8 in | |
| November | 42°F (5°C) | 3.2 in | |
| December | 32°F (0°C) | 2.9 in |
Leechburg has a seasonal temperature swing of 45°F / from 28°F in January to 73°F in July. Total annual precipitation is 40.4 inches, with July being the wettest month (4.3") and February the driest (2.4").