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Weather & Climate in Gastonville, PA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gastonville 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 41.3 inches. The area receives 31.9 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 1,024 feet.
Temperature
28°F Jan (-2°C)
73°F Jul (23°C)
| Annual Average | 51.5°F |
| 5% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,024 ft (312 m) |
| Area | 2.7 sq mi (7.0 km²) |
| Population Density | 990/sq mi |
| Coordinates | 40.2668°N, 80.0096°W |
| Timezone | America/New_York |
| County | Washington County County |
| Nearest Airport | Pittsburgh International (PIT) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
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
12 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 | 140 km | 5 km |
| Jun 3, 2017 | 1 km WNW of Batesville, Ohio | M3.4 | 116 km | 2 km |
| Apr 24, 2025 | 3 km S of Pleasant City, Ohio | M3.1 | 138 km | 6 km |
| Apr 22, 2025 | 3 km ESE of Buffalo, Ohio | M3.1 | 132 km | 5 km |
| Apr 2, 2017 | 5 km W of Graysville, Ohio | M3.0 | 125 km | 4 km |
| Mar 30, 2024 | 2 km SSW of Maple Ridge, Ohio | M3.0 | 113 km | 6 km |
| May 9, 2025 | 3 km S of Pleasant City, Ohio | M2.9 | 138 km | 5 km |
| Aug 7, 2000 | 2 km S of Limaville, Ohio | M2.9 | 123 km | 5 km |
| Apr 29, 2025 | 1 km SE of Pleasant City, Ohio | M2.8 | 136 km | 2 km |
| Aug 31, 2011 | 2 km NNW of Belmont, West Virginia | M2.8 | 145 km | 5 km |
| Sep 4, 2011 | 3 km N of Saint Marys, West Virginia | M2.6 | 139 km | 5 km |
| Sep 11, 2024 | 4 km WNW of Claysville, Pennsylvania | M2.5 | 41 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, 578 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 2, 1998 | EF4 | 71 km | 36.5 mi | 0 |
| Jun 3, 1980 | EF4 | 49 km | 11.8 mi | 0 |
| May 31, 1998 | EF3 | 98 km | 13.0 mi | 1 |
| May 31, 1985 | EF3 | 73 km | 39.0 mi | 9 |
| Jun 3, 1980 | EF3 | 83 km | 29.8 mi | 0 |
| Oct 12, 1978 | EF3 | 97 km | 7.3 mi | 0 |
| Jul 11, 1976 | EF3 | 44 km | 11.8 mi | 1 |
| Aug 3, 1963 | EF3 | 13 km | 0.1 mi | 2 |
| Jun 26, 2024 | EF2 | 33 km | 10.8 mi | 0 |
| May 11, 2024 | EF2 | 4 km | 5.8 mi | 0 |
| May 7, 2024 | EF2 | 76 km | 15.3 mi | 0 |
| Aug 25, 2023 | EF2 | 58 km | 2.0 mi | 0 |
| Aug 1, 2022 | EF2 | 52 km | 1.8 mi | 0 |
| Mar 31, 2022 | EF2 | 83 km | 8.6 mi | 0 |
| Oct 21, 2021 | EF2 | 42 km | 15.7 mi | 0 |
| Jul 29, 2021 | EF2 | 85 km | 2.7 mi | 0 |
| Jul 29, 2021 | EF2 | 93 km | 6.2 mi | 0 |
| Oct 2, 2018 | EF2 | 54 km | 1.6 mi | 0 |
| Mar 23, 2011 | EF2 | 23 km | 9.0 mi | 0 |
| Apr 28, 2002 | EF2 | 74 km | 5.0 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 | 30°F (-1°C) | 2.3 in | Driest |
| March | 40°F (4°C) | 3.4 in | |
| April | 50°F (10°C) | 3.2 in | |
| May | 60°F (15°C) | 4.0 in | Wettest |
| June | 68°F (20°C) | 3.9 in | |
| July | 73°F (23°C) | 3.9 in | Warmest |
| August | 71°F (22°C) | 3.6 in | |
| September | 64°F (18°C) | 3.1 in | |
| October | 53°F (11°C) | 2.5 in | |
| November | 42°F (6°C) | 3.0 in | |
| December | 33°F (0°C) | 2.8 in |
Gastonville has a seasonal temperature swing of 44°F / from 28°F in January to 73°F in July. Total annual precipitation is 38.3 inches, with May being the wettest month (4.0") and February the driest (2.3").