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Petros CDP, TN

ZIP 37845 — Climate & Environment

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

Low Income AreaLow Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 37845

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 Petros CDP, TN as Very Low (composite score 19.1), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (63.5) and hurricane (33.4). 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
19.1
Flood risk
25.7
Wildfire risk
63.5
Hurricane risk
33.4
Earthquake risk
58.3
Tornado risk
39.3
Winter weather risk
59.1
Hail risk
11.6

Climate & Weather in ZIP Code 37845

Climate normals for Petros CDP, TN show little to no average snow and around 55.5 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
7a
Annual Snow Days
0
Annual Precipitation
55.53 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone7a
Annual precip (in)55.53
Snow days0
Broadband access61.0%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index19.1
Flood risk (NRI)25.7
Wildfire risk (NRI)63.5
Hurricane risk (NRI)33.4
IRS net migration4