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Weather & Climate in Rouzerville, PA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rouzerville experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 74°F in July. The area gets 297 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 727 feet.
Temperature
30°F Jan (-1°C)
74°F Jul (23°C)
| Annual Average | 52.3°F |
| 3% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 297 days/yr |
Geography
| Elevation | 727 ft (222 m) |
| Area | 0.7 sq mi (1.7 km²) |
| Population Density | 894/sq mi |
| Coordinates | 39.7341°N, 77.5280°W |
| Timezone | America/New_York |
| County | Franklin County County |
| Nearest Airport | Hagerstown Regional/Richard A Henson Field (HGR) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.4 / 100 |
| Social Vulnerability | 32.4 / 100 |
| Community Resilience | 63.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
24 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Jan 16, 1994 | 2 km W of Sinking Spring, Pennsylvania | M4.6 | 143 km | 5 km |
| Jan 16, 1994 | 0 km E of Sinking Spring, Pennsylvania | M4.2 | 145 km | 5 km |
| Jul 16, 2010 | 5 km NNW of Barnesville, Maryland | M3.6 | 54 km | 7 km |
| Jun 13, 2019 | 9 km N of Blain, Pennsylvania | M3.4 | 77 km | 27 km |
| Jun 3, 2010 | 4 km ENE of Franklintown, Pennsylvania | M3.1 | 61 km | 2 km |
| Jan 17, 2016 | 3 km NE of Ranson, West Virginia | M3.0 | 53 km | 5 km |
| Nov 14, 1997 | 0 km S of Rothsville, Pennsylvania | M3.0 | 118 km | 5 km |
| Apr 24, 2009 | 1 km S of Franklintown, Pennsylvania | M2.9 | 56 km | 1 km |
| Jan 16, 1994 | 0 km SSE of Sinking Spring, Pennsylvania | M2.9 | 145 km | 5 km |
| Sep 15, 2019 | 5 km ESE of East Berlin, Pennsylvania | M2.8 | 57 km | 5 km |
| May 10, 1993 | 1 km NW of Whitfield, Pennsylvania | M2.8 | 146 km | 5 km |
| Oct 25, 2009 | 4 km ENE of Franklintown, Pennsylvania | M2.8 | 62 km | 1 km |
| Oct 28, 1994 | 1 km E of Mount Vernon, Maryland | M2.7 | 93 km | — |
| Mar 11, 1995 | 0 km ENE of Landisville, Pennsylvania | M2.7 | 104 km | 5 km |
| Mar 15, 1993 | 5 km W of Columbia, Maryland | M2.7 | 78 km | 5 km |
| Jan 13, 1990 | 6 km ENE of Eldersburg, Maryland | M2.6 | 65 km | 5 km |
| Jun 25, 2021 | 2 km SE of Woodlawn, Maryland | M2.6 | 85 km | 3 km |
| Jan 18, 1994 | 3 km SE of Clay, Pennsylvania | M2.6 | 122 km | 5 km |
| Oct 28, 1996 | 2 km W of Reinholds, Pennsylvania | M2.6 | 132 km | 5 km |
| Jan 8, 1995 | 1 km WSW of Montrose Manor, Pennsylvania | M2.5 | 145 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2011 | Irene | Category 1 | 75 mph | 284 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
379 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 3 fatalities, 149 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 19, 1996 | EF3 | 54 km | 2.2 mi | 0 |
| May 22, 1983 | EF3 | 24 km | 2.0 mi | 0 |
| Jun 7, 1980 | EF3 | 49 km | 1.5 mi | 0 |
| Jun 9, 1961 | EF3 | 98 km | 0.1 mi | 0 |
| Apr 16, 1961 | EF3 | 35 km | 0.1 mi | 0 |
| Apr 5, 1952 | EF3 | 47 km | 17.5 mi | 0 |
| Apr 19, 2019 | EF2 | 33 km | 2.9 mi | 0 |
| Apr 19, 2019 | EF2 | 89 km | 4.9 mi | 0 |
| Nov 2, 2018 | EF2 | 53 km | 5.5 mi | 0 |
| Apr 28, 2011 | EF2 | 66 km | 2.6 mi | 0 |
| Sep 18, 2004 | EF2 | 99 km | 2.0 mi | 0 |
| Sep 17, 2004 | EF2 | 84 km | 5.0 mi | 0 |
| Sep 17, 2004 | EF2 | 59 km | 2.0 mi | 0 |
| Sep 17, 2004 | EF2 | 37 km | 3.0 mi | 0 |
| Sep 24, 2001 | EF2 | 47 km | 5.0 mi | 0 |
| Jul 19, 1996 | EF2 | 42 km | 2.0 mi | 0 |
| Jun 24, 1996 | EF2 | 98 km | 20.0 mi | 0 |
| May 29, 1995 | EF2 | 99 km | 2.5 mi | 0 |
| Apr 30, 1994 | EF2 | 13 km | 6.0 mi | 0 |
| Oct 9, 1992 | EF2 | 65 km | 2.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: BEAR DEN (945 acres, 2014).
| Year | Name | Acres Burned | Distance |
| 2014 | BEAR DEN | 945 | 98 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.9 in | Coldest |
| February | 32°F (-0°C) | 2.7 in | Driest |
| March | 40°F (5°C) | 3.4 in | |
| April | 51°F (10°C) | 3.5 in | |
| May | 61°F (16°C) | 4.1 in | Wettest |
| June | 69°F (21°C) | 4.0 in | |
| July | 74°F (23°C) | 3.5 in | Warmest |
| August | 72°F (22°C) | 3.4 in | |
| September | 66°F (19°C) | 3.6 in | |
| October | 54°F (12°C) | 3.4 in | |
| November | 44°F (7°C) | 3.5 in | |
| December | 34°F (1°C) | 3.0 in |
Rouzerville has a seasonal temperature swing of 44°F / from 30°F in January to 74°F in July. Total annual precipitation is 41.1 inches, with May being the wettest month (4.1") and February the driest (2.7").