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North Haven, CT
Full City Profile · Connecticut · South Central Connecticut Planning Region County
3.9
/5.0
B+
Good
24,177
Population
1,162/sq mi density
$126,807
Median Income
$59,243 per capita
$360,100
Home Value
$448,747 Zillow
$1,578
Median Rent
25.2% income on rent
52°F
Avg Temperature
271 sunny days/yr
47
Violent Crime/100K
1,527 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$126,807 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$360,100 home value, $1,578/mo rent
F
Safety
1.0 / 5.0
47 violent crimes/100K
A+
Education
4.8 / 5.0
47.4% bachelor's degree or higher
North Haven experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 29°F in January while summers reach 74°F in July. The area gets 271 sunny days per year. Annual precipitation totals 50.4 inches. Air quality is rated Good with a median AQI of 39.
Temperature
29°F Jan (-2°C)
74°F Jul (23°C)
| Annual Average | 51.7°F |
| 4% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 38 ft (12 m) |
| Area | 20.8 sq mi (53.9 km²) |
| Population Density | 1,162/sq mi |
| Coordinates | 41.3815°N, 72.8564°W |
| Timezone | America/New_York |
| County | South Central Connecticut Planning Region County |
| Nearest Airport | Bradley International (BDL) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.1 / 100 |
| Social Vulnerability | 45.2 / 100 |
| Community Resilience | 79.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Coastal Flood | Relatively High |
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 | 29°F (-2°C) | 3.8 in | Coldest |
| February | 29°F (-1°C) | 3.5 in | Driest |
| March | 38°F (3°C) | 4.1 in | |
| April | 48°F (9°C) | 4.4 in | Wettest |
| May | 59°F (15°C) | 4.3 in | |
| June | 67°F (20°C) | 3.9 in | |
| July | 74°F (23°C) | 3.9 in | Warmest |
| August | 71°F (22°C) | 3.9 in | |
| September | 63°F (17°C) | 3.9 in | |
| October | 53°F (11°C) | 3.9 in | |
| November | 43°F (6°C) | 4.3 in | |
| December | 33°F (0°C) | 4.1 in |
North Haven has a seasonal temperature swing of 45°F / from 29°F in January to 74°F in July. Total annual precipitation is 48.0 inches, with April being the wettest month (4.4") and February the driest (3.5").