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Southport CDP, CT

ZIP 06890 — Climate & Environment

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

Wealthy AreaLow Snow AreaRemote Work Hub

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 06890

Air Quality (EPA AQI)

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

44
Median AQI
66.8%
Good Days

Air quality healthy to breathe

5.0%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 06890

Climate normals for Southport CDP, CT show little to no average snow and around 44.1 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
7a
Annual Snow Days
0
Annual Precipitation
44.09 in

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone7a
Annual precip (in)44.09
Snow days0
Broadband access95.5%
Risk & Air Quality statistics
Risk & Air Quality
IRS net migration252
Median AQI44
Good AQI days66.8%