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Cornwall-on-Hudson village, NY

ZIP 12520 — 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 12520

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 Cornwall-on-Hudson village, NY as Relatively Moderate (composite score 90.6), which is among the highest nationally. The strongest component scores on US5 are flood (93.4) and hurricane (90.8). 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 Moderate
Risk index
90.6
Flood risk
93.4
Wildfire risk
51.2
Hurricane risk
90.8
Earthquake risk
87.3
Tornado risk
81.9
Winter weather risk
93.7
Hail risk
35.9
Air Quality (EPA AQI)

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

28
Median AQI
85.4%
Good Days

Air quality healthy to breathe

0.4%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 12520

Climate normals for Cornwall-on-Hudson village, NY show little to no average snow and around 51.5 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively Moderate) 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
6b
Annual Snow Days
0
Annual Precipitation
51.47 in
FEMA NRI rating
Relatively Moderate

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone6b
Annual precip (in)51.47
Snow days0
Broadband access95.2%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Moderate
NRI risk index90.6
Flood risk (NRI)93.4
Wildfire risk (NRI)51.2
Hurricane risk (NRI)90.8
IRS net migration133
Median AQI28
Good AQI days85.4%