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Lynbrook, NY
Full City Profile · New York · Nassau County County
3.6
/5.0
B+
Good
20,251
Population
10,075/sq mi density
$138,866
Median Income
$58,511 per capita
$592,400
Home Value
$726,411 Zillow
$2,122
Median Rent
26.7% income on rent
53°F
Avg Temperature
275 sunny days/yr
119
Violent Crime/100K
785 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$138,866 median income, 3.1% unemployment
A
Affordability
4.3 / 5.0
$592,400 home value, $2,122/mo rent
F
Safety
1.0 / 5.0
119 violent crimes/100K
A+
Education
4.5 / 5.0
43.9% bachelor's degree or higher
Lynbrook experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 33°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 48.6 inches. The area receives 25.5 inches of snow annually. Air quality is rated Good with a median AQI of 36.
Temperature
33°F Jan (0°C)
75°F Jul (24°C)
| Annual Average | 53.4°F |
| 1% below US avg | |
| January Average | 33°F (0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 17 ft (5 m) |
| Area | 2.0 sq mi (5.2 km²) |
| Population Density | 10,075/sq mi |
| Coordinates | 40.6579°N, 73.6742°W |
| Timezone | America/New_York |
| County | Nassau County County |
| Nearest Airport | John F Kennedy International (JFK) 6 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)
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 | — | 51 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 102 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 3.4 in | Coldest |
| February | 34°F (1°C) | 3.1 in | |
| March | 42°F (5°C) | 4.1 in | |
| April | 51°F (11°C) | 3.7 in | |
| May | 61°F (16°C) | 3.9 in | |
| June | 70°F (21°C) | 3.0 in | Driest |
| July | 75°F (24°C) | 3.8 in | |
| August | 75°F (24°C) | 4.5 in | Warmest, Wettest |
| September | 67°F (20°C) | 3.4 in | |
| October | 56°F (14°C) | 3.3 in | |
| November | 47°F (8°C) | 3.7 in | |
| December | 37°F (3°C) | 3.7 in |
Lynbrook has a seasonal temperature swing of 42°F / from 33°F in January to 75°F in August. Total annual precipitation is 43.3 inches, with August being the wettest month (4.5") and June the driest (3.0").