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Weather & Climate in Andover, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Andover has a cool climate with an average annual temperature of 45°F (7°C). Winters average 22°F in January while summers reach 67°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 39.7 inches. The area receives 54.1 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 1,660 feet.
Temperature
22°F Jan (-6°C)
67°F Jul (19°C)
| Annual Average | 44.9°F |
| 17% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,660 ft (506 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 968/sq mi |
| Coordinates | 42.1570°N, 77.7961°W |
| Timezone | America/New_York |
| County | Steuben County County |
| Nearest Airport | Elmira/Corning Regional (ELM) 46 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
11 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 | 113 km | 6 km |
| Feb 3, 2001 | 6 km W of Bath, New York | M3.2 | 39 km | 0 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 126 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 | 83 km | 5 km |
| Jun 10, 2025 | 10 km NW of Forksville, Pennsylvania | M2.8 | 114 km | 8 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 116 km | 6 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 148 km | 5 km |
| Mar 15, 2022 | 5 km SSW of Warsaw, New York | M2.6 | 66 km | 5 km |
| Apr 11, 2007 | 6 km NNE of Sodus Point, New York | M2.6 | 147 km | 7 km |
| Jan 25, 1999 | New York | M2.5 | 64 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
106 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 4 fatalities, 18 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 21, 2003 | EF3 | 29 km | 2.5 mi | 0 |
| May 2, 1983 | EF3 | 93 km | 15.0 mi | 0 |
| Jul 24, 1967 | EF3 | 78 km | 11.4 mi | 0 |
| May 15, 1961 | EF3 | 67 km | 3.0 mi | 0 |
| Aug 30, 1955 | EF3 | 75 km | 1.0 mi | 0 |
| Jul 28, 2022 | EF2 | 68 km | 10.0 mi | 0 |
| Oct 2, 2018 | EF2 | 85 km | 2.2 mi | 0 |
| Apr 27, 2011 | EF2 | 90 km | 0.9 mi | 0 |
| Apr 28, 2002 | EF2 | 33 km | 6.5 mi | 0 |
| Jun 2, 1998 | EF2 | 76 km | 15.0 mi | 0 |
| Sep 3, 1993 | EF2 | 24 km | 3.5 mi | 0 |
| Aug 28, 1990 | EF2 | 85 km | 2.5 mi | 0 |
| May 2, 1983 | EF2 | 38 km | 9.8 mi | 0 |
| May 2, 1972 | EF2 | 87 km | 12.0 mi | 0 |
| Jun 14, 1962 | EF2 | 47 km | 0.2 mi | 0 |
| Jun 12, 1954 | EF2 | 62 km | 0.2 mi | 0 |
| Sep 6, 2024 | EF1 | 31 km | 6.0 mi | 0 |
| Jul 10, 2024 | EF1 | 95 km | 2.8 mi | 0 |
| Sep 19, 2022 | EF1 | 49 km | 1.9 mi | 0 |
| Sep 12, 2021 | EF1 | 59 km | 0.8 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
5 wildfires (100+ acres) recorded within 100 km. Largest: BULL RUN (2,003 acres, 2008).
| Year | Name | Acres Burned | Distance |
| 2008 | BULL RUN | 2,003 | 72 km |
| 2009 | WOODRUFF | 757 | 50 km |
| 2006 | FIVE MILE FIRE | 658 | 92 km |
| 2006 | OKOME ROAD | 573 | 92 km |
| 2006 | BEAR TRAP | 561 | 100 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 2.2 in | Driest |
| February | 22°F (-6°C) | 2.2 in | Coldest |
| March | 31°F (-1°C) | 2.6 in | |
| April | 42°F (5°C) | 2.9 in | |
| May | 53°F (12°C) | 3.5 in | |
| June | 61°F (16°C) | 4.7 in | Wettest |
| July | 67°F (19°C) | 3.9 in | Warmest |
| August | 64°F (18°C) | 3.5 in | |
| September | 57°F (14°C) | 3.7 in | |
| October | 47°F (8°C) | 3.1 in | |
| November | 37°F (3°C) | 3.2 in | |
| December | 26°F (-4°C) | 2.7 in |
Andover has a seasonal temperature swing of 45°F / from 22°F in February to 67°F in July. Total annual precipitation is 37.9 inches, with June being the wettest month (4.7") and January the driest (2.2").