Hempstead, NY
Full City Profile · New York · Nassau County County
3.1
/5.0
B
Good
58,569
Population
15,872/sq mi density
$82,454
Median Income
$33,415 per capita
$442,100
Home Value
$646,638 Zillow
$1,649
Median Rent
34.4% income on rent
56°F
Avg Temperature
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$82,454 median income, 9.5% unemployment
B+
Affordability
3.7 / 5.0
$442,100 home value, $1,649/mo rent
C+
Education
2.6 / 5.0
20.5% bachelor's degree or higher
Hempstead enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 34°F in January while summers reach 77°F in July. Annual precipitation totals 45.3 inches. The area receives 18.5 inches of snow annually. Air quality is rated Good with a median AQI of 31.
Temperature
34°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 55.5°F |
| 3% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 62 ft (19 m) |
| Area | 3.7 sq mi (9.6 km²) |
| Population Density | 15,872/sq mi |
| Coordinates | 40.7044°N, 73.6194°W |
| Timezone | America/New_York |
| County | Nassau County County |
| Nearest Airport | John F Kennedy International (JFK) 9 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 | - | 45 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 107 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.7 in | Coldest |
| February | 36°F (2°C) | 3.0 in | Driest |
| March | 43°F (6°C) | 4.4 in | Wettest |
| April | 53°F (12°C) | 3.8 in | |
| May | 62°F (17°C) | 3.1 in | |
| June | 71°F (22°C) | 3.8 in | |
| July | 77°F (25°C) | 4.0 in | Warmest |
| August | 75°F (24°C) | 3.9 in | |
| September | 69°F (20°C) | 4.1 in | |
| October | 58°F (14°C) | 4.0 in | |
| November | 48°F (9°C) | 3.4 in | |
| December | 40°F (4°C) | 4.2 in |
Hempstead has a seasonal temperature swing of 43°F / from 34°F in January to 77°F in July. Total annual precipitation is 45.3 inches, with March being the wettest month (4.4") and February the driest (3.0").