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Higganum, CT
Full City Profile · Connecticut · Lower Connecticut River Valley Planning Region County
4.0
/5.0
A
Great
1,549
Population
249/sq mi density
$134,750
Median Income
$61,558 per capita
$361,600
Home Value
$469,904 Zillow
$1,568
Median Rent
24.3% income on rent
52°F
Avg Temperature
271 sunny days/yr
32
Violent Crime/100K
667 property/100K
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$134,750 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$361,600 home value, $1,568/mo rent
F
Safety
1.0 / 5.0
32 violent crimes/100K
A+
Education
5.0 / 5.0
52.8% bachelor's degree or higher
Higganum 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 | 138 ft (42 m) |
| Area | 6.2 sq mi (16.1 km²) |
| Population Density | 249/sq mi |
| Coordinates | 41.4907°N, 72.5578°W |
| Timezone | America/New_York |
| County | Lower Connecticut River Valley Planning Region County |
| Nearest Airport | Bradley International (BDL) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| 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 | — | 89 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 4.1 in | |
| February | 29°F (-2°C) | 3.7 in | Coldest, Driest |
| March | 37°F (3°C) | 4.3 in | |
| April | 47°F (8°C) | 4.5 in | |
| May | 57°F (14°C) | 4.3 in | |
| June | 66°F (19°C) | 3.9 in | |
| July | 74°F (23°C) | 3.9 in | Warmest |
| August | 70°F (21°C) | 3.9 in | |
| September | 63°F (17°C) | 3.9 in | |
| October | 52°F (11°C) | 4.1 in | |
| November | 43°F (6°C) | 4.7 in | Wettest |
| December | 33°F (1°C) | 4.4 in |
Higganum has a seasonal temperature swing of 45°F / from 29°F in February to 74°F in July. Total annual precipitation is 49.4 inches, with November being the wettest month (4.7") and February the driest (3.7").