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Long Hill CDP (Southeastern Connecticut County), CT
Full City Profile · Connecticut · Southeastern Connecticut Planning Region County
3.8
/5.0
B+
Good
4,292
Population
2,787/sq mi density
$84,338
Median Income
$47,035 per capita
$169,200
Home Value
$411,359 Zillow
$1,646
Median Rent
26.8% income on rent
52°F
Avg Temperature
275 sunny days/yr
161
Violent Crime/100K
1,681 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$84,338 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$169,200 home value, $1,646/mo rent
F
Safety
1.0 / 5.0
161 violent crimes/100K
A+
Education
4.9 / 5.0
49.1% bachelor's degree or higher
Long Hill CDP (Southeastern Connecticut County) experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 31°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 48.9 inches. The area receives 24.5 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
31°F Jan (-0°C)
73°F Jul (23°C)
| Annual Average | 52.3°F |
| 3% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 25 ft (8 m) |
| Area | 1.6 sq mi (4.1 km²) |
| Population Density | 2,787/sq mi |
| Coordinates | 41.3496°N, 72.0505°W |
| Timezone | America/New_York |
| County | Southeastern Connecticut Planning Region County |
| Nearest Airport | Rhode Island Tf Green International (PVD) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.7 / 100 |
| Social Vulnerability | 26.8 / 100 |
| Community Resilience | 86.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively 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 | — | 107 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 4.3 in | |
| February | 29°F (-2°C) | 3.6 in | Coldest |
| March | 37°F (3°C) | 4.4 in | |
| April | 47°F (8°C) | 4.3 in | |
| May | 57°F (14°C) | 3.9 in | |
| June | 65°F (18°C) | 3.7 in | |
| July | 73°F (23°C) | 3.5 in | Warmest, Driest |
| August | 71°F (22°C) | 4.1 in | |
| September | 64°F (18°C) | 4.0 in | |
| October | 53°F (12°C) | 4.1 in | |
| November | 44°F (7°C) | 4.7 in | Wettest |
| December | 34°F (1°C) | 4.4 in |
Long Hill CDP (Southeastern Connecticut County) has a seasonal temperature swing of 44°F / from 29°F in February to 73°F in July. Total annual precipitation is 48.9 inches, with November being the wettest month (4.7") and July the driest (3.5").