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Weather & Climate in Napeague, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Napeague experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 31°F in January while summers reach 72°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 49.8 inches (wetter than the 38-inch national average). The area receives 26.8 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 2 feet.
Temperature
31°F Jan (-1°C)
72°F Jul (22°C)
| Annual Average | 50.8°F |
| 6% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 2 ft (1 m) |
| Area | 3.8 sq mi (9.7 km²) |
| Population Density | 54/sq mi |
| Coordinates | 40.9985°N, 72.0642°W |
| Timezone | America/New_York |
| County | Suffolk County County |
| Nearest Airport | Rhode Island Tf Green International (PVD) 60 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.3 / 100 |
| Social Vulnerability | 21.6 / 100 |
| Community Resilience | 94.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Relatively 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
12 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| Jan 12, 2015 | 0 km NE of Wauregan, Connecticut | M3.3 | 85 km | 5 km |
| Jun 16, 2000 | 5 km NE of Granville, Massachusetts | M3.3 | 138 km | 10 km |
| Mar 22, 1996 | 2 km NE of Bristol, Rhode Island | M3.1 | 103 km | 12 km |
| Apr 9, 2019 | 63 km SSE of Sagaponack, New York | M3.0 | 67 km | 7 km |
| Oct 28, 1991 | 3 km WNW of Stamford, Connecticut | M3.0 | 127 km | 10 km |
| Mar 10, 1992 | 2 km SW of Napeague, New York | M2.8 | 2 km | 10 km |
| Apr 12, 1991 | 2 km ENE of North Castle, New York | M2.7 | 134 km | 9 km |
| Aug 14, 2014 | 6 km SW of Deep River Center, Connecticut | M2.7 | 53 km | 4 km |
| Aug 22, 2000 | 2 km WSW of Brewster Hill, New York | M2.6 | 139 km | 7 km |
| Apr 22, 1996 | 3 km NE of North Westport, Massachusetts | M2.6 | 113 km | 5 km |
| Jan 13, 2015 | 2 km E of Wauregan, Connecticut | M2.6 | 84 km | 9 km |
| Jun 7, 2002 | 3 km NNW of Hopedale, Massachusetts | M2.5 | 136 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 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 | 199 km |
| 2014 | Arthur | Category 1 | 81 mph | 206 km |
| 1996 | Edouard | Category 1 | 92 mph | 262 km |
| 1991 | Bob | Category 2 | 109 mph | 45 km |
| 1985 | Gloria | Category 2 | 98 mph | 113 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
83 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 77 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 10, 1989 | EF4 | 82 km | 3.0 mi | 0 |
| Aug 21, 1951 | EF3 | 74 km | 0.1 mi | 0 |
| Aug 18, 2023 | EF2 | 98 km | 9.1 mi | 0 |
| Aug 8, 1999 | EF2 | 38 km | 4.0 mi | 0 |
| Jul 10, 1989 | EF2 | 63 km | 0.2 mi | 0 |
| Aug 7, 1986 | EF2 | 100 km | 4.0 mi | 0 |
| Sep 18, 1973 | EF2 | 97 km | 0.1 mi | 0 |
| Sep 6, 1973 | EF2 | 97 km | 3.3 mi | 0 |
| Aug 31, 1973 | EF2 | 99 km | 0.1 mi | 0 |
| Oct 24, 1955 | EF2 | 100 km | 0.5 mi | 0 |
| Aug 20, 1951 | EF2 | 98 km | 0.1 mi | 0 |
| Jul 12, 1950 | EF2 | 76 km | 10.0 mi | 0 |
| Sep 13, 2023 | EF1 | 93 km | 1.6 mi | 0 |
| Aug 18, 2023 | EF1 | 77 km | 2.7 mi | 0 |
| Nov 13, 2021 | EF1 | 47 km | 1.4 mi | 0 |
| Nov 13, 2021 | EF1 | 71 km | 5.3 mi | 0 |
| Aug 27, 2020 | EF1 | 92 km | 11.1 mi | 0 |
| Sep 4, 2019 | EF1 | 95 km | 3.2 mi | 0 |
| Oct 29, 2018 | EF1 | 29 km | 2.0 mi | 0 |
| May 15, 2018 | EF1 | 96 km | 7.4 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami 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 | — | 90 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: CRESCENT BOW FIRE (1,068 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | CRESCENT BOW FIRE | 1,068 | 65 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 4.2 in | Coldest |
| February | 32°F (-0°C) | 3.6 in | |
| March | 39°F (4°C) | 4.3 in | |
| April | 47°F (8°C) | 4.1 in | |
| May | 57°F (14°C) | 3.7 in | |
| June | 65°F (19°C) | 3.4 in | |
| July | 72°F (22°C) | 3.1 in | Warmest, Driest |
| August | 71°F (22°C) | 4.0 in | |
| September | 64°F (18°C) | 3.7 in | |
| October | 54°F (12°C) | 3.6 in | |
| November | 45°F (7°C) | 4.5 in | Wettest |
| December | 36°F (2°C) | 4.3 in |
Napeague has a seasonal temperature swing of 41°F / from 31°F in January to 72°F in July. Total annual precipitation is 46.5 inches, with November being the wettest month (4.5") and July the driest (3.1").