Weather & Climate in Aaronsburg CDP (Washington County), PA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Aaronsburg CDP (Washington County) experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 74°F in July. Annual precipitation totals 40.9 inches. The area receives 10.3 inches of snow annually. Air quality is rated Good with a median AQI of 44. 61% of days have good air quality. The city sits at an elevation of 1,045 feet.
Temperature
30°F Jan (-1°C)
74°F Jul (24°C)
| Annual Average | 52.9°F |
| 2% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 74°F (24°C) |
Geography
| Elevation | 1,045 ft (319 m) |
| Area | 0.6 sq mi (1.4 km²) |
| Population Density | 439/sq mi |
| Coordinates | 40.0108°N, 80.0009°W |
| Timezone | America/New_York |
| County | Washington County County |
| Nearest Airport | Pittsburgh International (PIT) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
| Good Days % | 61.2% |
| Unhealthy Days | 1 |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 83.1 / 100 |
| Social Vulnerability | 22.7 / 100 |
| Community Resilience | 87.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
16 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.4.
| Jun 3, 2017 | 1 km WNW of Batesville, Ohio | M3.4 | 111 km | 2 km |
| Apr 24, 2025 | 3 km S of Pleasant City, Ohio | M3.1 | 133 km | 6 km |
| Apr 22, 2025 | 3 km ESE of Buffalo, Ohio | M3.1 | 127 km | 5 km |
| Aug 31, 2011 | 3 km SE of Lowell, Ohio | M3.1 | 137 km | 5 km |
| Apr 2, 2017 | 5 km W of Graysville, Ohio | M3.0 | 113 km | 4 km |
| Mar 30, 2024 | 2 km SSW of Maple Ridge, Ohio | M3.0 | 133 km | 6 km |
| May 9, 2025 | 3 km S of Pleasant City, Ohio | M2.9 | 132 km | 5 km |
| Aug 7, 2000 | 2 km S of Limaville, Ohio | M2.9 | 143 km | 5 km |
| Apr 29, 2025 | 1 km SE of Pleasant City, Ohio | M2.8 | 131 km | 2 km |
| Feb 3, 2025 | 0 km NE of Reno, Ohio | M2.8 | 138 km | 10 km |
| Aug 31, 2011 | 2 km NNW of Belmont, West Virginia | M2.8 | 128 km | 5 km |
| Jul 20, 2013 | 6 km SW of Glenville, West Virginia | M2.7 | 146 km | 21 km |
| Sep 4, 2011 | 3 km N of Saint Marys, West Virginia | M2.6 | 122 km | 5 km |
| Sep 11, 2024 | 4 km WNW of Claysville, Pennsylvania | M2.5 | 41 km | 4 km |
| Aug 15, 2010 | 19 km ESE of Burnsville, West Virginia | M2.5 | 138 km | 17 km |
| Aug 21, 2010 | 19 km WNW of Helvetia, West Virginia | M2.5 | 140 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
235 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 15 fatalities, 527 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 2, 1998 | EF4 | 67 km | 36.5 mi | 0 |
| Jun 3, 1980 | EF4 | 75 km | 11.8 mi | 0 |
| May 31, 1998 | EF3 | 84 km | 13.0 mi | 1 |
| May 31, 1985 | EF3 | 98 km | 39.0 mi | 9 |
| Jun 3, 1980 | EF3 | 54 km | 29.8 mi | 0 |
| Jul 11, 1976 | EF3 | 57 km | 11.8 mi | 1 |
| May 19, 1967 | EF3 | 91 km | 0.3 mi | 1 |
| Aug 3, 1963 | EF3 | 36 km | 0.1 mi | 2 |
| Jun 26, 2024 | EF2 | 52 km | 10.8 mi | 0 |
| May 11, 2024 | EF2 | 29 km | 5.8 mi | 0 |
| May 7, 2024 | EF2 | 93 km | 15.3 mi | 0 |
| Feb 28, 2024 | EF2 | 100 km | 4.1 mi | 0 |
| Aug 25, 2023 | EF2 | 46 km | 2.0 mi | 0 |
| Aug 1, 2022 | EF2 | 46 km | 1.8 mi | 0 |
| Oct 21, 2021 | EF2 | 49 km | 15.7 mi | 0 |
| Jul 29, 2021 | EF2 | 88 km | 2.7 mi | 0 |
| Oct 2, 2018 | EF2 | 53 km | 1.6 mi | 0 |
| Mar 23, 2011 | EF2 | 37 km | 9.0 mi | 0 |
| Apr 28, 2002 | EF2 | 90 km | 5.0 mi | 0 |
| May 23, 2000 | EF2 | 99 km | 3.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.2 in | Coldest |
| February | 32°F (0°C) | 2.8 in | Driest |
| March | 40°F (5°C) | 3.4 in | |
| April | 52°F (11°C) | 3.5 in | |
| May | 62°F (17°C) | 3.9 in | |
| June | 70°F (21°C) | 4.3 in | Wettest |
| July | 74°F (24°C) | 4.1 in | Warmest |
| August | 73°F (23°C) | 3.5 in | |
| September | 67°F (19°C) | 3.3 in | |
| October | 55°F (13°C) | 2.9 in | |
| November | 44°F (7°C) | 2.9 in | |
| December | 35°F (2°C) | 3.3 in |
Aaronsburg CDP (Washington County) has a seasonal temperature swing of 44°F / from 30°F in January to 74°F in July. Total annual precipitation is 40.9 inches, with June being the wettest month (4.3") and February the driest (2.8").