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Weather & Climate in Hemlock Farms, PA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hemlock Farms experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 23°F in January while summers reach 69°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 45.1 inches. The area receives 47.1 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 1,552 feet.
Temperature
23°F Jan (-5°C)
69°F Jul (21°C)
| Annual Average | 46.6°F |
| 14% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,552 ft (473 m) |
| Area | 8.2 sq mi (21.1 km²) |
| Population Density | 476/sq mi |
| Coordinates | 41.3158°N, 75.0498°W |
| Timezone | America/New_York |
| County | Pike County County |
| Nearest Airport | Pocono Mountains Regional (MPO) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 65.9 / 100 |
| Social Vulnerability | 40.9 / 100 |
| Community Resilience | 17.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
27 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Apr 5, 2024 | 2024 Tewksbury, New Jersey Earthquake | M4.8 | 73 km | 3 km |
| Jan 16, 1994 | 2 km W of Sinking Spring, Pennsylvania | M4.6 | 138 km | 5 km |
| Jan 16, 1994 | 0 km E of Sinking Spring, Pennsylvania | M4.2 | 136 km | 5 km |
| Jun 17, 1991 | 7 km NE of Worcester, New York | M4.0 | 149 km | 5 km |
| Apr 5, 2024 | 7 km WSW of Gladstone, New Jersey | M3.7 | 74 km | 4 km |
| Jan 9, 1992 | 4 km WNW of Robertsville, New Jersey | M3.1 | 122 km | 8 km |
| Aug 26, 2003 | 4 km NNW of Milford, New Jersey | M3.1 | 79 km | 3 km |
| Aug 3, 2025 | 0 km W of Little Ferry, New Jersey | M3.0 | 98 km | 10 km |
| Oct 28, 1991 | 3 km WNW of Stamford, Connecticut | M3.0 | 126 km | 10 km |
| Feb 3, 2009 | 1 km ESE of Victory Gardens, New Jersey | M3.0 | 66 km | 0 km |
| May 24, 2024 | 6 km E of Califon, New Jersey | M2.9 | 71 km | 7 km |
| Apr 27, 2024 | 7 km WSW of Gladstone, New Jersey | M2.9 | 74 km | 5 km |
| Jan 16, 1994 | 0 km SSE of Sinking Spring, Pennsylvania | M2.9 | 137 km | 5 km |
| Aug 5, 2025 | 1 km N of Hillsdale, New Jersey | M2.8 | 91 km | 12 km |
| May 10, 1993 | 1 km NW of Whitfield, Pennsylvania | M2.8 | 135 km | 5 km |
| Jun 10, 2025 | 10 km NW of Forksville, Pennsylvania | M2.8 | 138 km | 8 km |
| Apr 12, 1991 | 2 km ENE of North Castle, New York | M2.7 | 118 km | 9 km |
| Apr 5, 2024 | 6 km ESE of Califon, New Jersey | M2.6 | 74 km | 6 km |
| Apr 10, 2024 | 5 km WSW of Gladstone, New Jersey | M2.6 | 74 km | 9 km |
| May 1, 2024 | 1 km NW of Gladstone, New Jersey | M2.6 | 73 km | 5 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 | 265 km |
| 1985 | Gloria | Category 1 | 86 mph | 167 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
210 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 12 fatalities, 113 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 2, 1998 | EF3 | 90 km | 26.0 mi | 2 |
| May 31, 1998 | EF3 | 5 km | 20.0 mi | 0 |
| Oct 18, 1990 | EF3 | 96 km | 0.5 mi | 0 |
| Jul 14, 1988 | EF3 | 43 km | 7.2 mi | 0 |
| Jul 26, 1981 | EF3 | 75 km | 3.3 mi | 0 |
| Mar 21, 1976 | EF3 | 39 km | 0.5 mi | 0 |
| May 28, 1973 | EF3 | 74 km | 0.4 mi | 0 |
| May 28, 1973 | EF3 | 59 km | 0.4 mi | 0 |
| Apr 22, 2023 | EF2 | 55 km | 10.0 mi | 0 |
| Jun 13, 2018 | EF2 | 67 km | 2.9 mi | 0 |
| Feb 25, 2017 | EF2 | 60 km | 12.5 mi | 0 |
| Jul 23, 2010 | EF2 | 48 km | 25.7 mi | 0 |
| Jul 29, 2009 | EF2 | 33 km | 7.4 mi | 0 |
| Jul 29, 2009 | EF2 | 46 km | 4.6 mi | 0 |
| Dec 1, 2006 | EF2 | 90 km | 20.0 mi | 0 |
| May 31, 1998 | EF2 | 12 km | 3.0 mi | 0 |
| May 31, 1998 | EF2 | 13 km | 2.0 mi | 0 |
| Nov 8, 1996 | EF2 | 70 km | 2.0 mi | 0 |
| Jul 15, 1992 | EF2 | 93 km | 1.5 mi | 0 |
| Sep 18, 1991 | EF2 | 65 km | 4.0 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 | — | — | 74 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
17 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (23,000 acres, 1985).
| Year | Name | Acres Burned | Distance |
| 1985 | UNNAMED | 23,000 | 79 km |
| 2016 | 16 MILE | 7,896 | 15 km |
| 2024 | JENNINGS CREEK | 5,069 | 65 km |
| 2015 | ROOSA GAP | 2,747 | 64 km |
| 2008 | UNNAMED | 2,224 | 79 km |
| 2009 | PENOBSCOT | 2,091 | 69 km |
| 2016 | SAMS POINT FIRE-VERKEERDER FIRE | 1,929 | 72 km |
| 2004 | CRYSTAL LAKE | 1,838 | 68 km |
| 2006 | CHERRYTOWN FIRE | 943 | 83 km |
| 1988 | UNNAMED | 833 | 77 km |
| 2020 | SEVEN PINES | 790 | 29 km |
| 2015 | RAZOR FIRE | 728 | 80 km |
| 2015 | PIPELINE 1 | 666 | 57 km |
| 2016 | BEAR TOWN | 649 | 21 km |
| 2016 | SHERWOOD | 642 | 81 km |
| 2024 | WHITEHOUSE | 607 | 82 km |
| 1999 | WORTHINGTO | 514 | 37 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 | 24°F (-4°C) | 3.0 in | Driest |
| March | 33°F (1°C) | 3.4 in | |
| April | 44°F (7°C) | 3.7 in | |
| May | 55°F (13°C) | 4.5 in | Wettest |
| June | 63°F (17°C) | 4.2 in | |
| July | 69°F (21°C) | 4.1 in | Warmest |
| August | 67°F (20°C) | 4.1 in | |
| September | 60°F (16°C) | 4.0 in | |
| October | 49°F (10°C) | 3.4 in | |
| November | 39°F (4°C) | 3.8 in | |
| December | 29°F (-2°C) | 3.5 in |
Hemlock Farms has a seasonal temperature swing of 46°F / from 23°F in January to 69°F in July. Total annual precipitation is 45.0 inches, with May being the wettest month (4.5") and February the driest (3.0").