Bayville, NY
Full City Profile · New York · Nassau County County
4.6
/5.0
A+
Excellent
6,744
Population
4,619/sq mi density
$143,571
Median Income
$70,556 per capita
$670,500
Home Value
$864,241 Zillow
$1,974
Median Rent
35.5% income on rent
52°F
Avg Temperature
A+
Overall
4.6 / 5.0
Strong
A+
Economy
4.7 / 5.0
$143,571 median income, 3.8% unemployment
A
Affordability
4.0 / 5.0
$670,500 home value, $1,974/mo rent
A+
Education
5.0 / 5.0
55.3% bachelor's degree or higher
Bayville experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 74°F in July. Annual precipitation totals 47.7 inches. The area receives 18.5 inches of snow annually. Air quality is rated Good with a median AQI of 31.
Temperature
30°F Jan (-1°C)
74°F Jul (23°C)
| Annual Average | 52.0°F |
| 4% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 99 ft (30 m) |
| Area | 1.6 sq mi (4.0 km²) |
| Population Density | 4,619/sq mi |
| Coordinates | 40.9073°N, 73.5612°W |
| Timezone | America/New_York |
| County | Nassau County County |
| Nearest Airport | Laguardia (LGA) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 31.0 |
| Rating | Good |
| Good Days % | 84.2% |
| Unhealthy Days | 0 |
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)
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 | - | 41 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 114 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.8 in | Coldest |
| February | 32°F (-0°C) | 3.2 in | Driest |
| March | 39°F (4°C) | 4.4 in | |
| April | 50°F (10°C) | 4.4 in | Wettest |
| May | 60°F (15°C) | 3.9 in | |
| June | 69°F (20°C) | 3.7 in | |
| July | 74°F (23°C) | 3.9 in | Warmest |
| August | 72°F (22°C) | 4.1 in | |
| September | 65°F (19°C) | 4.1 in | |
| October | 54°F (12°C) | 4.2 in | |
| November | 44°F (7°C) | 3.7 in | |
| December | 35°F (2°C) | 4.3 in |
Bayville has a seasonal temperature swing of 44°F / from 30°F in January to 74°F in July. Total annual precipitation is 47.7 inches, with April being the wettest month (4.4") and February the driest (3.2").