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Weather & Climate in Hornell, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hornell has a cool climate with an average annual temperature of 45°F (7°C). Winters average 21°F in January while summers reach 68°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 38.4 inches. The area receives 62.1 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 1,157 feet.
Temperature
21°F Jan (-6°C)
68°F Jul (20°C)
| Annual Average | 45.0°F |
| 17% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,157 ft (353 m) |
| Area | 2.8 sq mi (7.3 km²) |
| Population Density | 2,492/sq mi |
| Coordinates | 42.3330°N, 77.6632°W |
| Timezone | America/New_York |
| County | Steuben County County |
| Nearest Airport | Elmira/Corning Regional (ELM) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.9 / 100 |
| Social Vulnerability | 54.9 / 100 |
| Community Resilience | 70.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 109 km | 6 km |
| Feb 3, 2001 | 6 km W of Bath, New York | M3.2 | 22 km | 0 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 121 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 125 km | 6 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 73 km | 5 km |
| Jun 10, 2025 | 10 km NW of Forksville, Pennsylvania | M2.8 | 119 km | 8 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 107 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 146 km | 8 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 134 km | 5 km |
| Mar 15, 2022 | 5 km SSW of Warsaw, New York | M2.6 | 57 km | 5 km |
| Apr 11, 2007 | 6 km NNE of Sodus Point, New York | M2.6 | 124 km | 7 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 144 km | 5 km |
| Jan 25, 1999 | New York | M2.5 | 47 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
104 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 4 fatalities, 16 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 21, 2003 | EF3 | 51 km | 2.5 mi | 0 |
| May 2, 1983 | EF3 | 88 km | 15.0 mi | 0 |
| Jul 24, 1967 | EF3 | 83 km | 11.4 mi | 0 |
| May 15, 1961 | EF3 | 81 km | 3.0 mi | 0 |
| Aug 30, 1955 | EF3 | 61 km | 1.0 mi | 0 |
| Jul 28, 2022 | EF2 | 63 km | 10.0 mi | 0 |
| Oct 2, 2018 | EF2 | 96 km | 2.2 mi | 0 |
| Apr 27, 2011 | EF2 | 81 km | 0.9 mi | 0 |
| Apr 28, 2002 | EF2 | 38 km | 6.5 mi | 0 |
| Jun 2, 1998 | EF2 | 67 km | 15.0 mi | 0 |
| Sep 3, 1993 | EF2 | 30 km | 3.5 mi | 0 |
| Aug 28, 1990 | EF2 | 68 km | 2.5 mi | 0 |
| May 2, 1983 | EF2 | 48 km | 9.8 mi | 0 |
| May 2, 1972 | EF2 | 83 km | 12.0 mi | 0 |
| Jun 14, 1962 | EF2 | 69 km | 0.2 mi | 0 |
| Jun 12, 1954 | EF2 | 84 km | 0.2 mi | 0 |
| Sep 6, 2024 | EF1 | 48 km | 6.0 mi | 0 |
| Jul 10, 2024 | EF1 | 94 km | 2.8 mi | 0 |
| Sep 19, 2022 | EF1 | 27 km | 1.9 mi | 0 |
| Sep 12, 2021 | EF1 | 38 km | 0.8 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: BULL RUN (2,003 acres, 2008).
| Year | Name | Acres Burned | Distance |
| 2008 | BULL RUN | 2,003 | 87 km |
| 2009 | WOODRUFF | 757 | 64 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 2.0 in | Coldest |
| February | 23°F (-5°C) | 1.9 in | Driest |
| March | 32°F (-0°C) | 2.4 in | |
| April | 43°F (6°C) | 2.9 in | |
| May | 54°F (12°C) | 3.3 in | |
| June | 62°F (17°C) | 4.4 in | Wettest |
| July | 68°F (20°C) | 3.7 in | Warmest |
| August | 65°F (18°C) | 3.3 in | |
| September | 58°F (15°C) | 3.5 in | |
| October | 48°F (9°C) | 2.9 in | |
| November | 38°F (3°C) | 3.0 in | |
| December | 27°F (-3°C) | 2.5 in |
Hornell has a seasonal temperature swing of 47°F / from 21°F in January to 68°F in July. Total annual precipitation is 35.8 inches, with June being the wettest month (4.4") and February the driest (1.9").