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Weather & Climate in Mountainhome, PA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mountainhome experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 23°F in January while summers reach 68°F in July. The area gets 271 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 50.2 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 1,239 feet.
Temperature
23°F Jan (-5°C)
68°F Jul (20°C)
| Annual Average | 45.8°F |
| 15% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 1,239 ft (378 m) |
| Area | 1.9 sq mi (4.9 km²) |
| Population Density | 463/sq mi |
| Coordinates | 41.1779°N, 75.2633°W |
| Timezone | America/New_York |
| County | Monroe County County |
| Nearest Airport | Pocono Mountains Regional (MPO) 7 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 85.1 / 100 |
| Social Vulnerability | 34.5 / 100 |
| Community Resilience | 21.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
31 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Apr 5, 2024 | 2024 Tewksbury, New Jersey Earthquake | M4.8 | 68 km | 3 km |
| Jan 16, 1994 | 2 km W of Sinking Spring, Pennsylvania | M4.6 | 115 km | 5 km |
| Jan 16, 1994 | 0 km E of Sinking Spring, Pennsylvania | M4.2 | 114 km | 5 km |
| Apr 5, 2024 | 7 km WSW of Gladstone, New Jersey | M3.7 | 70 km | 4 km |
| Jan 9, 1992 | 4 km WNW of Robertsville, New Jersey | M3.1 | 119 km | 8 km |
| Aug 26, 2003 | 4 km NNW of Milford, New Jersey | M3.1 | 65 km | 3 km |
| Nov 14, 1997 | 0 km S of Rothsville, Pennsylvania | M3.0 | 142 km | 5 km |
| Oct 28, 1991 | 3 km WNW of Stamford, Connecticut | M3.0 | 142 km | 10 km |
| Aug 3, 2025 | 0 km W of Little Ferry, New Jersey | M3.0 | 108 km | 10 km |
| Feb 3, 2009 | 1 km ESE of Victory Gardens, New Jersey | M3.0 | 71 km | 0 km |
| Jan 16, 1994 | 0 km SSE of Sinking Spring, Pennsylvania | M2.9 | 114 km | 5 km |
| Apr 27, 2024 | 7 km WSW of Gladstone, New Jersey | M2.9 | 69 km | 5 km |
| May 24, 2024 | 6 km E of Califon, New Jersey | M2.9 | 67 km | 7 km |
| Aug 5, 2025 | 1 km N of Hillsdale, New Jersey | M2.8 | 104 km | 12 km |
| Jun 10, 2025 | 10 km NW of Forksville, Pennsylvania | M2.8 | 125 km | 8 km |
| May 10, 1993 | 1 km NW of Whitfield, Pennsylvania | M2.8 | 112 km | 5 km |
| Apr 12, 1991 | 2 km ENE of North Castle, New York | M2.7 | 135 km | 9 km |
| Jan 25, 2015 | 4 km ESE of Downingtown, Pennsylvania | M2.6 | 135 km | 2 km |
| Apr 5, 2024 | 6 km ESE of Califon, New Jersey | M2.6 | 68 km | 6 km |
| Jul 5, 1996 | 2 km NW of Chester Heights, Pennsylvania | M2.6 | 143 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 1991 | Bob | Category 2 | 109 mph | 276 km |
| 1985 | Gloria | Category 1 | 86 mph | 177 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
222 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 11 fatalities, 120 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 2, 1998 | EF3 | 82 km | 26.0 mi | 2 |
| May 31, 1998 | EF3 | 94 km | 8.3 mi | 0 |
| May 31, 1998 | EF3 | 19 km | 20.0 mi | 0 |
| Oct 18, 1990 | EF3 | 88 km | 0.5 mi | 0 |
| Jul 14, 1988 | EF3 | 64 km | 7.2 mi | 0 |
| Jul 26, 1981 | EF3 | 53 km | 3.3 mi | 0 |
| Mar 21, 1976 | EF3 | 23 km | 0.5 mi | 0 |
| May 28, 1973 | EF3 | 77 km | 0.4 mi | 0 |
| May 28, 1973 | EF3 | 58 km | 0.4 mi | 0 |
| Apr 22, 2023 | EF2 | 75 km | 10.0 mi | 0 |
| Jul 29, 2021 | EF2 | 96 km | 6.3 mi | 0 |
| Apr 14, 2019 | EF2 | 96 km | 3.7 mi | 0 |
| Jun 13, 2018 | EF2 | 49 km | 2.9 mi | 0 |
| Feb 25, 2017 | EF2 | 43 km | 12.5 mi | 0 |
| Jul 23, 2010 | EF2 | 55 km | 25.7 mi | 0 |
| Jul 29, 2009 | EF2 | 50 km | 7.4 mi | 0 |
| Jul 29, 2009 | EF2 | 28 km | 4.6 mi | 0 |
| Dec 1, 2006 | EF2 | 69 km | 20.0 mi | 0 |
| May 31, 1998 | EF2 | 23 km | 3.0 mi | 0 |
| May 31, 1998 | EF2 | 18 km | 2.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 65 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
14 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (23,000 acres, 1985).
| Year | Name | Acres Burned | Distance |
| 1985 | UNNAMED | 23,000 | 96 km |
| 2016 | 16 MILE | 7,896 | 10 km |
| 2024 | JENNINGS CREEK | 5,069 | 81 km |
| 2015 | ROOSA GAP | 2,747 | 87 km |
| 2009 | PENOBSCOT | 2,091 | 50 km |
| 2016 | SAMS POINT FIRE-VERKEERDER FIRE | 1,929 | 95 km |
| 2004 | CRYSTAL LAKE | 1,838 | 48 km |
| 1988 | UNNAMED | 833 | 95 km |
| 2020 | SEVEN PINES | 790 | 6 km |
| 2015 | RAZOR FIRE | 728 | 57 km |
| 2015 | PIPELINE 1 | 666 | 35 km |
| 2016 | BEAR TOWN | 649 | 4 km |
| 2016 | SHERWOOD | 642 | 98 km |
| 1999 | WORTHINGTO | 514 | 25 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 3.3 in | Coldest |
| February | 23°F (-5°C) | 3.1 in | Driest |
| March | 32°F (0°C) | 3.4 in | |
| April | 43°F (6°C) | 3.8 in | |
| May | 54°F (12°C) | 4.5 in | Wettest |
| June | 62°F (17°C) | 4.2 in | |
| July | 68°F (20°C) | 4.1 in | Warmest |
| August | 67°F (19°C) | 4.0 in | |
| September | 60°F (16°C) | 4.1 in | |
| October | 49°F (9°C) | 3.5 in | |
| November | 39°F (4°C) | 4.0 in | |
| December | 29°F (-2°C) | 3.5 in |
Mountainhome has a seasonal temperature swing of 45°F / from 23°F in January to 68°F in July. Total annual precipitation is 45.6 inches, with May being the wettest month (4.5") and February the driest (3.1").