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Winooski city, VT

ZIP 05446 — Climate & Environment

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

Middle ClassLow Snow AreaRemote Work Hub

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 05446

Disaster Risk (FEMA NRI)

County-linked natural hazard risk from FEMA National Risk Index — useful for comparing insurance and disaster exposure.

FEMA’s National Risk Index rates natural-hazard risk for Winooski city, VT as Relatively Low (composite score 63.9), which is near the middle of the national distribution. The strongest component scores on US5 are flood (76.4) and hurricane (65.9). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Overall rating
Relatively Low
Risk index
63.9
Flood risk
76.4
Wildfire risk
25.4
Hurricane risk
65.9
Earthquake risk
76.7
Tornado risk
29.5
Winter weather risk
84.9
Hail risk
16.7
Air Quality (EPA AQI)

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

40
Median AQI
91.2%
Good Days

Air quality healthy to breathe

1.1%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 05446

Climate normals for Winooski city, VT show little to no average snow and around 42.3 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively Low) when evaluating long-term housing and insurance exposure.

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
5b
Annual Snow Days
0
Annual Precipitation
42.31 in
FEMA NRI rating
Relatively Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone5b
Annual precip (in)42.31
Snow days0
Broadband access90.2%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Low
NRI risk index63.9
Flood risk (NRI)76.4
Wildfire risk (NRI)25.4
Hurricane risk (NRI)65.9
IRS net migration844
Median AQI40
Good AQI days91.2%