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Weather & Climate in Greenville CDP (Greene County), NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Greenville CDP (Greene County) experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 25°F in January while summers reach 72°F in July. The area gets 261 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 36. The city sits at an elevation of 700 feet.
Temperature
25°F Jan (-4°C)
72°F Jul (22°C)
| Annual Average | 48.9°F |
| 9% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 700 ft (213 m) |
| Area | 3.5 sq mi (8.9 km²) |
| Population Density | 178/sq mi |
| Coordinates | 42.4138°N, 74.0203°W |
| Timezone | America/New_York |
| County | Greene County County |
| Nearest Airport | Albany International (ALB) 26 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 68.3 / 100 |
| Social Vulnerability | 50.4 / 100 |
| Community Resilience | 74.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Coastal Flood | Very Low |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
21 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jun 17, 1991 | 7 km NE of Worcester, New York | M4.0 | 59 km | 5 km |
| Oct 2, 1994 | 6 km W of Hardwick, Massachusetts | M3.7 | 143 km | 10 km |
| Oct 2, 1994 | 1 km NW of Hardwick, Massachusetts | M3.3 | 148 km | 10 km |
| Jun 16, 2000 | 5 km NE of Granville, Massachusetts | M3.3 | 105 km | 10 km |
| Dec 13, 2009 | 15 km N of Medusa, New York | M3.2 | 19 km | 10 km |
| Mar 11, 2020 | 0 km SSW of South Glens Falls, New York | M3.1 | 103 km | 13 km |
| Jul 24, 2007 | 12 km SSW of Altamont, New York | M3.1 | 23 km | 15 km |
| May 18, 2009 | 15 km N of Medusa, New York | M3.1 | 19 km | 9 km |
| Oct 21, 2009 | 15 km N of Medusa, New York | M2.9 | 19 km | 7 km |
| Sep 29, 1994 | 13 km WNW of North Creek, New York | M2.9 | 148 km | 16 km |
| Mar 22, 2009 | 9 km SW of Altamont, New York | M2.8 | 26 km | 16 km |
| Aug 27, 2011 | 5 km WSW of Altamont, New York | M2.8 | 31 km | 22 km |
| Apr 12, 1991 | 2 km ENE of North Castle, New York | M2.7 | 144 km | 9 km |
| Aug 25, 2011 | 5 km WSW of Altamont, New York | M2.7 | 31 km | 18 km |
| Feb 18, 2009 | 15 km N of Medusa, New York | M2.7 | 19 km | 9 km |
| Feb 20, 2009 | 15 km SSW of Altamont, New York | M2.7 | 19 km | 8 km |
| Feb 27, 2008 | 2 km SW of Central Bridge, New York | M2.7 | 42 km | 6 km |
| Aug 22, 2000 | 2 km WSW of Brewster Hill, New York | M2.6 | 115 km | 7 km |
| Jul 24, 2007 | 13 km SSW of Altamont, New York | M2.6 | 22 km | 14 km |
| Dec 13, 2009 | 14 km N of Medusa, New York | M2.6 | 19 km | 10 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 | 104 mph | 242 km |
| 1985 | Gloria | Category 1 | 86 mph | 116 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
167 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 8 fatalities, 217 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 29, 1995 | EF4 | 54 km | 11.5 mi | 3 |
| Jul 10, 1989 | EF4 | 62 km | 42.0 mi | 0 |
| Aug 28, 1973 | EF4 | 49 km | 9.8 mi | 4 |
| May 22, 2014 | EF3 | 47 km | 6.8 mi | 0 |
| May 31, 1998 | EF3 | 60 km | 30.5 mi | 0 |
| May 31, 1998 | EF3 | 90 km | 5.0 mi | 0 |
| Jun 16, 1974 | EF3 | 24 km | 49.1 mi | 0 |
| Jun 24, 1960 | EF3 | 45 km | 16.0 mi | 0 |
| May 29, 2013 | EF2 | 50 km | 12.8 mi | 0 |
| Jul 21, 2003 | EF2 | 24 km | 1.5 mi | 0 |
| Jul 21, 2003 | EF2 | 26 km | 1.3 mi | 0 |
| May 18, 2000 | EF2 | 66 km | 0.2 mi | 0 |
| May 31, 1998 | EF2 | 36 km | 8.0 mi | 0 |
| Jul 3, 1997 | EF2 | 75 km | 3.7 mi | 0 |
| Jul 3, 1997 | EF2 | 71 km | 4.5 mi | 0 |
| Jul 3, 1997 | EF2 | 49 km | 1.5 mi | 0 |
| May 29, 1995 | EF2 | 31 km | 15.0 mi | 0 |
| Jul 10, 1989 | EF2 | 86 km | 10.0 mi | 0 |
| Oct 1, 1986 | EF2 | 48 km | 0.1 mi | 0 |
| Jul 26, 1986 | EF2 | 98 km | 0.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
6 wildfires (100+ acres) recorded within 100 km. Largest: ROOSA GAP (2,747 acres, 2015).
| Year | Name | Acres Burned | Distance |
| 2015 | ROOSA GAP | 2,747 | 92 km |
| 2008 | UNNAMED | 2,224 | 79 km |
| 2016 | SAMS POINT FIRE-VERKEERDER FIRE | 1,929 | 86 km |
| 2021 | EAST MOUNTAIN | 964 | 79 km |
| 2006 | CHERRYTOWN FIRE | 943 | 68 km |
| 2024 | WHITEHOUSE | 607 | 67 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.6 in | |
| February | 24°F (-5°C) | 2.4 in | Coldest, Driest |
| March | 33°F (0°C) | 3.1 in | |
| April | 45°F (7°C) | 3.4 in | |
| May | 56°F (13°C) | 4.0 in | Wettest |
| June | 64°F (18°C) | 3.9 in | |
| July | 72°F (22°C) | 3.7 in | Warmest |
| August | 67°F (20°C) | 3.5 in | |
| September | 59°F (15°C) | 3.5 in | |
| October | 48°F (9°C) | 3.1 in | |
| November | 38°F (3°C) | 3.6 in | |
| December | 27°F (-3°C) | 3.1 in |
Greenville CDP (Greene County) has a seasonal temperature swing of 48°F / from 24°F in February to 72°F in July. Total annual precipitation is 39.9 inches, with May being the wettest month (4.0") and February the driest (2.4").