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Weather & Climate in Emsworth, PA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Emsworth experiences four distinct seasons with an average annual temperature of 53°F (11°C). Winters average 30°F in January while summers reach 75°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 38.3 inches. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 797 feet.
Temperature
30°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 52.6°F |
| 3% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 797 ft (243 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 4,312/sq mi |
| Coordinates | 40.5109°N, 80.0962°W |
| Timezone | America/New_York |
| County | Beaver County County |
| Nearest Airport | Pittsburgh International (PIT) 7 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 75.3 / 100 |
| Social Vulnerability | 37.7 / 100 |
| Community Resilience | 91.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| 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 | 112 km | 5 km |
| Mar 12, 2007 | Ohio | M3.7 | 138 km | 5 km |
| Jun 3, 2017 | 1 km WNW of Batesville, Ohio | M3.4 | 121 km | 2 km |
| Apr 24, 2025 | 3 km S of Pleasant City, Ohio | M3.1 | 142 km | 6 km |
| Apr 22, 2025 | 3 km ESE of Buffalo, Ohio | M3.1 | 136 km | 5 km |
| Apr 2, 2017 | 5 km W of Graysville, Ohio | M3.0 | 136 km | 4 km |
| Mar 30, 2024 | 2 km SSW of Maple Ridge, Ohio | M3.0 | 92 km | 6 km |
| May 9, 2025 | 3 km S of Pleasant City, Ohio | M2.9 | 142 km | 5 km |
| Aug 7, 2000 | 2 km S of Limaville, Ohio | M2.9 | 102 km | 5 km |
| Apr 29, 2025 | 1 km SE of Pleasant City, Ohio | M2.8 | 140 km | 2 km |
| May 17, 2010 | 2 km S of Boston Heights, Ohio | M2.7 | 144 km | 5 km |
| Sep 11, 2024 | 4 km WNW of Claysville, Pennsylvania | M2.5 | 52 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
291 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 19 fatalities, 607 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 2, 1998 | EF4 | 90 km | 36.5 mi | 0 |
| Jun 3, 1980 | EF4 | 35 km | 11.8 mi | 0 |
| May 31, 1985 | EF3 | 47 km | 39.0 mi | 9 |
| Oct 12, 1978 | EF3 | 77 km | 7.3 mi | 0 |
| Jul 11, 1976 | EF3 | 54 km | 11.8 mi | 1 |
| May 8, 1969 | EF3 | 96 km | 2.0 mi | 1 |
| Aug 3, 1963 | EF3 | 28 km | 0.1 mi | 2 |
| Aug 5, 1956 | EF3 | 87 km | 0.1 mi | 2 |
| Mar 1, 1955 | EF3 | 97 km | 2.5 mi | 1 |
| Jun 26, 2024 | EF2 | 39 km | 10.8 mi | 0 |
| May 11, 2024 | EF2 | 27 km | 5.8 mi | 0 |
| May 7, 2024 | EF2 | 60 km | 15.3 mi | 0 |
| Aug 25, 2023 | EF2 | 82 km | 2.0 mi | 0 |
| Aug 1, 2022 | EF2 | 66 km | 1.8 mi | 0 |
| Mar 31, 2022 | EF2 | 71 km | 8.6 mi | 0 |
| Oct 21, 2021 | EF2 | 47 km | 15.7 mi | 0 |
| Jul 29, 2021 | EF2 | 85 km | 2.7 mi | 0 |
| Jul 29, 2021 | EF2 | 77 km | 6.2 mi | 0 |
| Oct 2, 2018 | EF2 | 72 km | 1.6 mi | 0 |
| Mar 23, 2011 | EF2 | 40 km | 9.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.5 in | Coldest |
| February | 30°F (-1°C) | 2.3 in | Driest |
| March | 39°F (4°C) | 3.2 in | |
| April | 49°F (10°C) | 3.2 in | |
| May | 60°F (15°C) | 3.9 in | |
| June | 68°F (20°C) | 4.0 in | Wettest |
| July | 75°F (24°C) | 4.0 in | Warmest |
| August | 71°F (21°C) | 3.5 in | |
| September | 64°F (18°C) | 3.2 in | |
| October | 52°F (11°C) | 2.6 in | |
| November | 42°F (6°C) | 3.1 in | |
| December | 32°F (0°C) | 3.0 in |
Emsworth has a seasonal temperature swing of 45°F / from 30°F in January to 75°F in July. Total annual precipitation is 38.4 inches, with June being the wettest month (4.0") and February the driest (2.3").