Unionville, NY
Full City Profile · New York · Sussex County County
4.7
/5.0
A+
Excellent
684
Population
2,206/sq mi density
$104,615
Median Income
$49,264 per capita
$319,600
Home Value
$348,049 Zillow
$1,532
Median Rent
19.3% income on rent
50°F
Avg Temperature
A+
Overall
4.7 / 5.0
Strong
A+
Economy
4.7 / 5.0
$104,615 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$319,600 home value, $1,532/mo rent
A+
Education
4.6 / 5.0
44.4% bachelor's degree or higher
Unionville experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 72°F in July. Annual precipitation totals 40.9 inches. The area receives 38.7 inches of snow annually.
Temperature
27°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 50.1°F |
| 7% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 521 ft (159 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 2,206/sq mi |
| Coordinates | 41.3015°N, 74.5622°W |
| Timezone | America/New_York |
| County | Sussex County County |
| Nearest Airport | New York Stewart International (SWF) 28 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.5 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 84.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Avalanche | Very Low |
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 | - | 135 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 76 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 2.6 in | Coldest |
| February | 29°F (-1°C) | 2.2 in | Driest |
| March | 38°F (3°C) | 3.2 in | |
| April | 49°F (9°C) | 3.4 in | |
| May | 59°F (15°C) | 3.7 in | |
| June | 68°F (20°C) | 3.7 in | |
| July | 72°F (22°C) | 4.1 in | Warmest |
| August | 71°F (22°C) | 3.9 in | |
| September | 63°F (17°C) | 3.8 in | |
| October | 52°F (11°C) | 4.2 in | Wettest |
| November | 41°F (5°C) | 3.0 in | |
| December | 32°F (0°C) | 3.1 in |
Unionville has a seasonal temperature swing of 45°F / from 27°F in January to 72°F in July. Total annual precipitation is 41.0 inches, with October being the wettest month (4.2") and February the driest (2.2").