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Weather & Climate in Fire Island, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fire Island experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 32°F in January while summers reach 75°F in July. The area gets 275 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 49.9 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 2 feet.
Temperature
32°F Jan (0°C)
75°F Jul (24°C)
| Annual Average | 53.1°F |
| 2% below US avg | |
| January Average | 32°F (0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 2 ft (1 m) |
| Area | 38.3 sq mi (99.1 km²) |
| Population Density | 49/sq mi |
| Coordinates | 40.6371°N, 73.2033°W |
| Timezone | America/New_York |
| County | Nassau County County |
| Nearest Airport | John F Kennedy International (JFK) 30 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.1 / 100 |
| Social Vulnerability | 25.9 / 100 |
| Community Resilience | 97.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Very High |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Coastal Flood | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Apr 5, 2024 | 2024 Tewksbury, New Jersey Earthquake | M4.8 | 131 km | 3 km |
| Apr 5, 2024 | 7 km WSW of Gladstone, New Jersey | M3.7 | 130 km | 4 km |
| Jan 9, 1992 | 4 km WNW of Robertsville, New Jersey | M3.1 | 101 km | 8 km |
| Apr 9, 2019 | 63 km SSE of Sagaponack, New York | M3.0 | 106 km | 7 km |
| Aug 3, 2025 | 0 km W of Little Ferry, New Jersey | M3.0 | 75 km | 10 km |
| Oct 28, 1991 | 3 km WNW of Stamford, Connecticut | M3.0 | 58 km | 10 km |
| Feb 3, 2009 | 1 km ESE of Victory Gardens, New Jersey | M3.0 | 114 km | 0 km |
| Apr 27, 2024 | 7 km WSW of Gladstone, New Jersey | M2.9 | 131 km | 5 km |
| May 24, 2024 | 6 km E of Califon, New Jersey | M2.9 | 131 km | 7 km |
| Aug 5, 2025 | 1 km N of Hillsdale, New Jersey | M2.8 | 82 km | 12 km |
| Mar 10, 1992 | 2 km SW of Napeague, New York | M2.8 | 102 km | 10 km |
| Apr 12, 1991 | 2 km ENE of North Castle, New York | M2.7 | 69 km | 9 km |
| Aug 14, 2014 | 6 km SW of Deep River Center, Connecticut | M2.7 | 99 km | 4 km |
| Apr 10, 2024 | 5 km WSW of Gladstone, New Jersey | M2.6 | 128 km | 9 km |
| May 1, 2024 | 1 km NW of Gladstone, New Jersey | M2.6 | 125 km | 5 km |
| Aug 14, 2015 | 3 km SE of Mendham, New Jersey | M2.6 | 116 km | 8 km |
| Oct 27, 2001 | 1 km NNW of Manhattan, New York | M2.6 | 67 km | 5 km |
| Aug 22, 2000 | 2 km WSW of Brewster Hill, New York | M2.6 | 94 km | 7 km |
| Apr 5, 2024 | 6 km ESE of Califon, New Jersey | M2.6 | 132 km | 6 km |
| Jan 15, 1992 | 5 km NNE of Tuxedo Park, New York | M2.5 | 105 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
6 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Henri | Category 1 | 75 mph | 233 km |
| 2014 | Arthur | Category 1 | 81 mph | 233 km |
| 2012 | Sandy | Category 1 | 92 mph | 260 km |
| 2010 | Earl | Category 1 | — | 298 km |
| 1991 | Bob | Category 2 | 109 mph | 93 km |
| 1985 | Gloria | Category 2 | 98 mph | 9 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
134 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 2 fatalities, 105 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 10, 1989 | EF4 | 86 km | 3.0 mi | 0 |
| Apr 1, 2023 | EF2 | 91 km | 0.1 mi | 0 |
| Aug 8, 2007 | EF2 | 77 km | 5.9 mi | 0 |
| Jul 12, 2006 | EF2 | 74 km | 10.1 mi | 0 |
| Aug 8, 1999 | EF2 | 70 km | 4.0 mi | 0 |
| Sep 7, 1998 | EF2 | 40 km | 0.2 mi | 0 |
| Jul 10, 1989 | EF2 | 41 km | 0.2 mi | 0 |
| Jul 10, 1989 | EF2 | 96 km | 0.5 mi | 0 |
| Sep 18, 1973 | EF2 | 25 km | 1.9 mi | 0 |
| Jul 29, 1971 | EF2 | 95 km | 4.5 mi | 0 |
| Jul 19, 1971 | EF2 | 55 km | 1.5 mi | 0 |
| Sep 27, 1970 | EF2 | 26 km | 0.5 mi | 0 |
| Jul 15, 1970 | EF2 | 68 km | 2.0 mi | 0 |
| Aug 7, 1962 | EF2 | 80 km | 2.5 mi | 0 |
| Sep 6, 1956 | EF2 | 88 km | 0.1 mi | 0 |
| Oct 24, 1955 | EF2 | 97 km | 0.5 mi | 0 |
| Oct 16, 1955 | EF2 | 83 km | 3.8 mi | 0 |
| Jul 14, 1950 | EF2 | 75 km | 5.0 mi | 0 |
| Nov 13, 2021 | EF1 | 33 km | 5.3 mi | 0 |
| Aug 27, 2020 | EF1 | 92 km | 11.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 0.3 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1964 | LONG ISLAND, NY | Meteorological | 0.3 m | — | 20 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 142 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
3 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (23,000 acres, 1985).
| Year | Name | Acres Burned | Distance |
| 1985 | UNNAMED | 23,000 | 99 km |
| 2012 | CRESCENT BOW FIRE | 1,068 | 42 km |
| 2016 | SHERWOOD | 642 | 96 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 3.4 in | Coldest |
| February | 34°F (1°C) | 3.1 in | |
| March | 39°F (4°C) | 4.1 in | Wettest |
| April | 48°F (9°C) | 3.7 in | |
| May | 57°F (14°C) | 3.4 in | |
| June | 67°F (19°C) | 2.7 in | Driest |
| July | 75°F (24°C) | 3.0 in | Warmest |
| August | 73°F (23°C) | 4.0 in | |
| September | 67°F (19°C) | 3.1 in | |
| October | 57°F (14°C) | 3.1 in | |
| November | 48°F (9°C) | 3.7 in | |
| December | 38°F (4°C) | 3.6 in |
Fire Island has a seasonal temperature swing of 42°F / from 32°F in January to 75°F in July. Total annual precipitation is 40.8 inches, with March being the wettest month (4.1") and June the driest (2.7").