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Higganum CDP, CT

ZIP 06438 — Climate & Environment

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 06438

Air Quality (EPA AQI)

County-level annual air quality from EPA. Good days = healthy to breathe; unhealthy = sensitive groups or worse.

42
Median AQI
77.9%
Good Days

Air quality healthy to breathe

1.6%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 06438

Climate normals for Higganum CDP, CT show little to no average snow and around 44.9 inches of annual precipitation.

7-day weather forecast

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Sunrise, sunset & moon

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Monthly Temperature

30-year climate normals (avg. monthly temperature)

Climate Data
Hardiness Zone
6b
Annual Snow Days
0
Annual Precipitation
44.86 in

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone6b
Annual precip (in)44.86
Snow days0
Broadband access92.2%
Risk & Air Quality statistics
Risk & Air Quality
IRS net migration166
Median AQI42
Good AQI days77.9%