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Shelter Island Heights, NY
Full City Profile · New York · Lower Connecticut River Valley Planning Region County
2.9
/5.0
C+
Fair
998
Population
185/sq mi density
$103,884
Median Income
$79,490 per capita
$1,041,300
Home Value
$973,800 Zillow
53°F
Avg Temperature
282 sunny days/yr
22
Violent Crime/100K
356 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$103,884 median income, 0.3% unemployment
F
Affordability
1.0 / 5.0
$1,041,300 home value, /mo rent
F
Safety
1.0 / 5.0
22 violent crimes/100K
A+
Education
5.0 / 5.0
59.2% bachelor's degree or higher
Shelter Island Heights experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 32°F in January while summers reach 75°F in July. The area gets 282 sunny days per year. Air quality is rated Good with a median AQI of 36.
Temperature
32°F Jan (0°C)
75°F Jul (24°C)
| Annual Average | 53.0°F |
| 2% below US avg | |
| January Average | 32°F (0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 282 days/yr |
Geography
| Elevation | 22 ft (7 m) |
| Area | 5.7 sq mi (14.6 km²) |
| Population Density | 185/sq mi |
| Coordinates | 41.0555°N, 72.3604°W |
| Timezone | America/New_York |
| County | Lower Connecticut River Valley Planning Region County |
| Nearest Airport | Bradley International (BDL) 63 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 83.8 / 100 |
| Social Vulnerability | 17.9 / 100 |
| Community Resilience | 90.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Coastal Flood | Relatively Moderate |
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 | — | 68 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 4.1 in | |
| February | 31°F (-0°C) | 3.7 in | Coldest |
| March | 38°F (4°C) | 4.3 in | |
| April | 47°F (8°C) | 4.2 in | |
| May | 57°F (14°C) | 3.7 in | |
| June | 66°F (19°C) | 3.4 in | |
| July | 75°F (24°C) | 3.3 in | Warmest, Driest |
| August | 72°F (22°C) | 4.0 in | |
| September | 65°F (18°C) | 3.7 in | |
| October | 55°F (13°C) | 3.7 in | |
| November | 46°F (8°C) | 4.4 in | Wettest |
| December | 36°F (2°C) | 4.3 in |
Shelter Island Heights has a seasonal temperature swing of 43°F / from 31°F in February to 75°F in July. Total annual precipitation is 46.8 inches, with November being the wettest month (4.4") and July the driest (3.3").