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Weather & Climate in Westfield, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Westfield experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 27°F in January while summers reach 73°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 43.5 inches. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 748 feet.
Temperature
27°F Jan (-3°C)
73°F Jul (23°C)
| Annual Average | 50.6°F |
| 6% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 748 ft (228 m) |
| Area | 3.8 sq mi (9.8 km²) |
| Population Density | 777/sq mi |
| Coordinates | 42.3218°N, 79.5748°W |
| Timezone | America/New_York |
| County | Chautauqua County County |
| Nearest Airport | Erie International/Tom Ridge Field (ERI) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.6 / 100 |
| Social Vulnerability | 70.3 / 100 |
| Community Resilience | 89.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
29 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Sep 25, 1998 | 2 km SW of Adamsville, Pennsylvania | M4.5 | 114 km | 5 km |
| Jan 26, 2001 | 8 km NNW of Edgewood, Ohio | M3.9 | 110 km | 5 km |
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 88 km | 6 km |
| Jun 30, 2003 | 6 km NW of Perry, Ohio | M3.6 | 146 km | 5 km |
| Aug 28, 2023 | 7 km SE of Madison, Ohio | M3.6 | 133 km | 5 km |
| Oct 16, 1993 | 8 km SSE of Madison, Ohio | M3.6 | 138 km | 5 km |
| Jun 20, 2006 | 9 km WNW of North Perry, Ohio | M3.5 | 147 km | 5 km |
| Mar 15, 1992 | 15 km NW of North Perry, Ohio | M3.5 | 145 km | 5 km |
| Jun 3, 2001 | 3 km N of Edgewood, Ohio | M3.4 | 109 km | 5 km |
| Jun 30, 2004 | 2 km WNW of Madison, Ohio | M3.3 | 138 km | 5 km |
| Apr 25, 2010 | 2 km WNW of Madison, Ohio | M3.0 | 138 km | 5 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 96 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 63 km | 6 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 122 km | 5 km |
| Feb 23, 1995 | 3 km W of Ashtabula, Ohio | M2.9 | 115 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 113 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 114 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 143 km | 8 km |
| Jun 1, 2024 | 1 km E of Madison, Ohio | M2.6 | 135 km | 5 km |
| Jan 20, 2001 | 0 km NNW of Edgewood, Ohio | M2.6 | 111 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
143 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 27 fatalities, 227 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 31, 1985 | EF4 | 53 km | 28.0 mi | 0 |
| May 31, 1985 | EF4 | 97 km | 14.0 mi | 12 |
| May 31, 1985 | EF4 | 86 km | 29.0 mi | 7 |
| May 31, 1985 | EF4 | 89 km | 29.0 mi | 4 |
| May 31, 1985 | EF3 | 70 km | 8.0 mi | 0 |
| May 31, 1985 | EF3 | 84 km | 23.0 mi | 2 |
| May 31, 1985 | EF3 | 43 km | 13.0 mi | 0 |
| May 31, 1985 | EF3 | 72 km | 17.0 mi | 0 |
| May 2, 1983 | EF3 | 20 km | 28.0 mi | 2 |
| Jun 2, 1971 | EF3 | 68 km | 29.3 mi | 0 |
| Aug 19, 1970 | EF3 | 69 km | 2.3 mi | 0 |
| Jun 20, 1969 | EF3 | 34 km | 84.1 mi | 0 |
| Jul 24, 1967 | EF3 | 75 km | 11.4 mi | 0 |
| May 15, 1961 | EF3 | 84 km | 3.0 mi | 0 |
| Jul 10, 2024 | EF2 | 67 km | 3.2 mi | 0 |
| Apr 14, 2019 | EF2 | 64 km | 18.0 mi | 0 |
| Oct 2, 2018 | EF2 | 90 km | 4.1 mi | 0 |
| Jul 20, 2017 | EF2 | 75 km | 6.1 mi | 0 |
| Nov 14, 2011 | EF2 | 19 km | 4.1 mi | 0 |
| Nov 14, 2011 | EF2 | 3 km | 2.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | — | 117 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (628 acres, 1990).
| Year | Name | Acres Burned | Distance |
| 1990 | UNNAMED | 628 | 89 km |
| 2021 | UNNAMED | 586 | 80 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 2.7 in | |
| February | 24°F (-4°C) | 2.5 in | Coldest, Driest |
| March | 33°F (0°C) | 3.0 in | |
| April | 44°F (7°C) | 3.5 in | |
| May | 55°F (13°C) | 3.7 in | |
| June | 64°F (18°C) | 4.3 in | |
| July | 73°F (23°C) | 4.1 in | Warmest |
| August | 67°F (20°C) | 4.4 in | |
| September | 60°F (16°C) | 4.8 in | Wettest |
| October | 50°F (10°C) | 4.4 in | |
| November | 39°F (4°C) | 4.7 in | |
| December | 29°F (-2°C) | 3.8 in |
Westfield has a seasonal temperature swing of 49°F / from 24°F in February to 73°F in July. Total annual precipitation is 45.9 inches, with September being the wettest month (4.8") and February the driest (2.5").