US5.com
  1. Home
  2. States
  3. Tennessee
  4. ZIP 37338
  5. Climate & Environment
Graysville town, TN

ZIP 37338 — 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 37338

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 Graysville town, TN as Very Low (composite score 24.1), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (57.0) and hurricane (35.3). 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
24.1
Flood risk
27.9
Wildfire risk
57.0
Hurricane risk
35.3
Earthquake risk
60.2
Tornado risk
55.0
Winter weather risk
38.5
Hail risk
20.5

Climate & Weather in ZIP Code 37338

Climate normals for Graysville town, TN show little to no average snow and around 63.1 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

Loading live forecast…

Sunrise, sunset & moon

Loading outdoor timing for Graysville town, TN (ZIP 37338)…

Monthly Temperature

30-year climate normals (avg. monthly temperature)

Climate Data
Hardiness Zone
7b
Annual Snow Days
0
Annual Precipitation
63.08 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone7b
Annual precip (in)63.08
Snow days0
Broadband access90.0%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index24.1
Flood risk (NRI)27.9
Wildfire risk (NRI)57.0
Hurricane risk (NRI)35.3
IRS net migration106