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Weather & Climate in Hartwick, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hartwick has a cool climate with an average annual temperature of 43°F (6°C). Winters average 18°F in January while summers reach 66°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 47.6 inches (wetter than the 38-inch national average). The area receives 85.5 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 1,380 feet.
Temperature
18°F Jan (-8°C)
66°F Jul (19°C)
| Annual Average | 42.8°F |
| 21% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 1,380 ft (421 m) |
| Area | 3.5 sq mi (9.0 km²) |
| Population Density | 102/sq mi |
| Coordinates | 42.6586°N, 75.0611°W |
| Timezone | America/New_York |
| County | Otsego County County |
| Nearest Airport | Albert S Nader Regional (ONH) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 75.8 / 100 |
| Social Vulnerability | 56.8 / 100 |
| Community Resilience | 87.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
16 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 | 32 km | 5 km |
| Jul 31, 1997 | 0 km WSW of Lyons Falls, New York | M3.2 | 110 km | 5 km |
| Dec 13, 2009 | 15 km N of Medusa, New York | M3.2 | 79 km | 10 km |
| Mar 11, 2020 | 0 km SSW of South Glens Falls, New York | M3.1 | 136 km | 13 km |
| Jul 24, 2007 | 12 km SSW of Altamont, New York | M3.1 | 77 km | 15 km |
| May 18, 2009 | 15 km N of Medusa, New York | M3.1 | 78 km | 9 km |
| Sep 29, 1994 | 13 km WNW of North Creek, New York | M2.9 | 142 km | 16 km |
| Oct 21, 2009 | 15 km N of Medusa, New York | M2.9 | 79 km | 7 km |
| Mar 22, 2009 | 9 km SW of Altamont, New York | M2.8 | 78 km | 16 km |
| Aug 27, 2011 | 5 km WSW of Altamont, New York | M2.8 | 79 km | 22 km |
| Aug 25, 2011 | 5 km WSW of Altamont, New York | M2.7 | 79 km | 18 km |
| Feb 18, 2009 | 15 km N of Medusa, New York | M2.7 | 79 km | 9 km |
| Feb 27, 2008 | 2 km SW of Central Bridge, New York | M2.7 | 57 km | 6 km |
| Feb 20, 2009 | 15 km SSW of Altamont, New York | M2.7 | 80 km | 8 km |
| Jul 24, 2007 | 13 km SSW of Altamont, New York | M2.6 | 77 km | 14 km |
| Dec 13, 2009 | 14 km N of Medusa, New York | M2.6 | 79 km | 10 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 |
| 1985 | Gloria | Category 1 | 86 mph | 204 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
148 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 8 fatalities, 66 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 10, 1989 | EF4 | 47 km | 42.0 mi | 0 |
| Aug 7, 2023 | EF3 | 96 km | 16.0 mi | 0 |
| May 22, 2014 | EF3 | 73 km | 6.8 mi | 0 |
| May 31, 1998 | EF3 | 15 km | 5.0 mi | 0 |
| May 2, 1983 | EF3 | 95 km | 3.0 mi | 0 |
| Jun 24, 1960 | EF3 | 98 km | 16.0 mi | 0 |
| Jul 16, 2024 | EF2 | 71 km | 5.3 mi | 0 |
| Apr 22, 2023 | EF2 | 96 km | 10.0 mi | 0 |
| Jul 8, 2014 | EF2 | 60 km | 2.5 mi | 4 |
| May 29, 2013 | EF2 | 73 km | 12.8 mi | 0 |
| Apr 28, 2011 | EF2 | 60 km | 7.4 mi | 0 |
| May 16, 2009 | EF2 | 72 km | 5.7 mi | 0 |
| May 31, 1998 | EF2 | 44 km | 1.0 mi | 0 |
| Jul 23, 1990 | EF2 | 67 km | 17.0 mi | 0 |
| Oct 14, 1989 | EF2 | 61 km | 2.0 mi | 2 |
| Oct 1, 1986 | EF2 | 58 km | 0.1 mi | 0 |
| Sep 18, 1977 | EF2 | 56 km | 2.0 mi | 0 |
| Jun 16, 1976 | EF2 | 4 km | 0.1 mi | 0 |
| May 9, 1961 | EF2 | 98 km | 6.8 mi | 0 |
| Jul 16, 2024 | EF1 | 74 km | 1.4 mi | 1 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: WHITEHOUSE (607 acres, 2024).
| Year | Name | Acres Burned | Distance |
| 2024 | WHITEHOUSE | 607 | 98 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 2.8 in | Coldest |
| February | 21°F (-6°C) | 2.4 in | Driest |
| March | 31°F (-1°C) | 3.2 in | |
| April | 42°F (6°C) | 3.5 in | |
| May | 54°F (12°C) | 3.9 in | |
| June | 62°F (17°C) | 4.2 in | Wettest |
| July | 66°F (19°C) | 3.8 in | Warmest |
| August | 65°F (18°C) | 3.7 in | |
| September | 58°F (14°C) | 3.9 in | |
| October | 47°F (8°C) | 3.4 in | |
| November | 37°F (3°C) | 3.6 in | |
| December | 25°F (-4°C) | 3.2 in |
Hartwick has a seasonal temperature swing of 47°F / from 18°F in January to 66°F in July. Total annual precipitation is 41.7 inches, with June being the wettest month (4.2") and February the driest (2.4").