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Weather & Climate in Southport, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Southport experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 25°F in January while summers reach 71°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 38.1 inches. The area receives 41.8 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 1,077 feet.
Temperature
25°F Jan (-4°C)
71°F Jul (22°C)
| Annual Average | 48.2°F |
| 11% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,077 ft (328 m) |
| Area | 6.6 sq mi (17.1 km²) |
| Population Density | 1,009/sq mi |
| Coordinates | 42.0647°N, 76.8225°W |
| Timezone | America/New_York |
| County | Chemung County County |
| Nearest Airport | Elmira/Corning Regional (ELM) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 54.8 / 100 |
| Social Vulnerability | 41.0 / 100 |
| Community Resilience | 86.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| 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
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.2.
| Feb 3, 2001 | 6 km W of Bath, New York | M3.2 | 57 km | 0 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 145 km | 5 km |
| Jun 10, 2025 | 10 km NW of Forksville, Pennsylvania | M2.8 | 57 km | 8 km |
| Mar 15, 2022 | 5 km SSW of Warsaw, New York | M2.6 | 130 km | 5 km |
| Apr 11, 2007 | 6 km NNE of Sodus Point, New York | M2.6 | 141 km | 7 km |
| Jan 25, 1999 | New York | M2.5 | 112 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
145 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 7 fatalities, 58 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 21, 2003 | EF3 | 93 km | 2.5 mi | 0 |
| Jun 2, 1998 | EF3 | 81 km | 26.0 mi | 2 |
| May 31, 1998 | EF3 | 56 km | 62.0 mi | 0 |
| May 2, 1983 | EF3 | 12 km | 15.0 mi | 0 |
| May 2, 1983 | EF3 | 25 km | 2.0 mi | 0 |
| Aug 30, 1955 | EF3 | 31 km | 1.0 mi | 0 |
| Oct 2, 2018 | EF2 | 65 km | 2.2 mi | 0 |
| Jun 13, 2018 | EF2 | 40 km | 5.2 mi | 0 |
| Jul 8, 2014 | EF2 | 64 km | 6.7 mi | 0 |
| Apr 27, 2011 | EF2 | 16 km | 0.9 mi | 0 |
| Aug 28, 1990 | EF2 | 49 km | 2.5 mi | 0 |
| Oct 14, 1989 | EF2 | 99 km | 2.0 mi | 2 |
| Aug 28, 1988 | EF2 | 83 km | 1.5 mi | 0 |
| May 2, 1983 | EF2 | 54 km | 9.8 mi | 0 |
| Apr 14, 1974 | EF2 | 75 km | 12.8 mi | 0 |
| Aug 16, 1966 | EF2 | 86 km | 4.5 mi | 0 |
| Sep 19, 1954 | EF2 | 62 km | 12.8 mi | 0 |
| Sep 19, 1954 | EF2 | 59 km | 1.0 mi | 0 |
| Aug 7, 2023 | EF1 | 64 km | 9.7 mi | 0 |
| Sep 19, 2022 | EF1 | 86 km | 1.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
3 wildfires (100+ acres) recorded within 100 km. Largest: BULL RUN (2,003 acres, 2008).
| Year | Name | Acres Burned | Distance |
| 2008 | BULL RUN | 2,003 | 76 km |
| 2009 | WOODRUFF | 757 | 64 km |
| 2006 | OKOME ROAD | 573 | 89 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.0 in | Coldest, Driest |
| February | 25°F (-4°C) | 2.1 in | |
| March | 34°F (1°C) | 2.6 in | |
| April | 45°F (7°C) | 3.0 in | |
| May | 56°F (14°C) | 3.2 in | |
| June | 65°F (18°C) | 3.9 in | Wettest |
| July | 71°F (22°C) | 3.5 in | Warmest |
| August | 67°F (20°C) | 3.2 in | |
| September | 60°F (16°C) | 3.4 in | |
| October | 49°F (9°C) | 2.9 in | |
| November | 39°F (4°C) | 3.1 in | |
| December | 28°F (-2°C) | 2.5 in |
Southport has a seasonal temperature swing of 46°F / from 25°F in January to 71°F in July. Total annual precipitation is 35.2 inches, with June being the wettest month (3.9") and January the driest (2.0").