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Smithville city, TN

ZIP 37166 — Climate & Environment

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

Working ClassLow Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 37166

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 Smithville city, TN as Very Low (composite score 25.5), which is relatively lower than many U.S. communities. The strongest component scores on US5 are hurricane (47.7) and flood (34.5). 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
25.5
Flood risk
34.5
Wildfire risk
7.7
Hurricane risk
47.7
Earthquake risk
69.0
Tornado risk
48.9
Winter weather risk
58.7
Hail risk
48.7
Air Quality (EPA AQI)

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

35
Median AQI
95.4%
Good Days

Air quality healthy to breathe

0.0%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 37166

Climate normals for Smithville city, TN show little to no average snow and around 57.0 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
7b
Annual Snow Days
0
Annual Precipitation
56.97 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone7b
Annual precip (in)56.97
Snow days0
Broadband access77.4%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index25.5
Flood risk (NRI)34.5
Wildfire risk (NRI)7.7
Hurricane risk (NRI)47.7
IRS net migration536
Median AQI35
Good AQI days95.4%