Napeague, NY
Full City Profile · New York · Suffolk County County
4.9
/5.0
A+
Excellent
197
Population
54/sq mi density
$85,912
Median Income
$27,668 per capita
53°F
Avg Temperature
A+
Overall
4.9 / 5.0
Strong
A+
Economy
4.7 / 5.0
$85,912 median income, 0.0% unemployment
A+
Education
5.0 / 5.0
64.0% bachelor's degree or higher
Napeague experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 34°F in January while summers reach 73°F in July. Annual precipitation totals 44.3 inches. The area receives 26.8 inches of snow annually. Air quality is rated Good with a median AQI of 38.
Temperature
34°F Jan (1°C)
73°F Jul (23°C)
| Annual Average | 53.0°F |
| 2% below US avg | |
| January Average | 34°F (1°C) |
| July Average | 73°F (23°C) |
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 | 38.0 |
| Rating | Good |
| Good Days % | 79.5% |
| Unhealthy Days | 6 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0454 ppm |
| NO₂ (Nitrogen Dioxide) | 5.8 ppb |
| CO (Carbon Monoxide) | 0.19 ppm |
| PM2.5 (Fine Particles) | 7.6 μg/m³ |
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)
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. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.6 in | Coldest |
| February | 34°F (1°C) | 3.2 in | |
| March | 40°F (4°C) | 4.2 in | |
| April | 48°F (9°C) | 3.7 in | |
| May | 57°F (14°C) | 3.2 in | |
| June | 67°F (19°C) | 3.5 in | |
| July | 73°F (23°C) | 2.8 in | Warmest, Driest |
| August | 73°F (23°C) | 4.0 in | |
| September | 67°F (19°C) | 3.6 in | |
| October | 57°F (14°C) | 4.2 in | |
| November | 48°F (9°C) | 3.9 in | |
| December | 39°F (4°C) | 4.4 in | Wettest |
Napeague has a seasonal temperature swing of 40°F / from 34°F in January to 73°F in July. Total annual precipitation is 44.3 inches, with December being the wettest month (4.4") and July the driest (2.8").