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Grantsville town, MD

ZIP 21536 — Climate & Environment

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

Middle ClassLow Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 21536

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 Grantsville town, MD as Very Low (composite score 16.0), which is relatively lower than many U.S. communities. The strongest component scores on US5 are hurricane (63.8) and flood (34.7). 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
Very Low
Risk index
16.0
Flood risk
34.7
Wildfire risk
31.9
Hurricane risk
63.8
Earthquake risk
32.4
Tornado risk
21.2
Winter weather risk
64.3
Hail risk
48.3
Air Quality (EPA AQI)

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

41
Median AQI
84.5%
Good Days

Air quality healthy to breathe

0.0%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 21536

Climate normals for Grantsville town, MD show little to no average snow and around 41.4 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Very 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
6a
Annual Snow Days
0
Annual Precipitation
41.41 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone6a
Annual precip (in)41.41
Snow days0
Broadband access85.2%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index16.0
Flood risk (NRI)34.7
Wildfire risk (NRI)31.9
Hurricane risk (NRI)63.8
IRS net migration225
Median AQI41
Good AQI days84.5%