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Del Rio city, TX

ZIP 78840 — 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 78840

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 Del Rio city, TX as Relatively Low (composite score 76.1), which is elevated versus much of the country. The strongest component scores on US5 are flood (87.3) and wildfire (85.0). 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 Low
Risk index
76.1
Flood risk
87.3
Wildfire risk
85.0
Hurricane risk
57.6
Earthquake risk
22.2
Tornado risk
41.1
Winter weather risk
83.8
Hail risk
81.8

Climate & Weather in ZIP Code 78840

Climate normals for Del Rio city, TX show little to no average snow and around 27.1 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively 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
8b
Annual Snow Days
0
Annual Precipitation
27.05 in
FEMA NRI rating
Relatively Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone8b
Annual precip (in)27.05
Snow days0
Broadband access75.6%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Low
NRI risk index76.1
Flood risk (NRI)87.3
Wildfire risk (NRI)85.0
Hurricane risk (NRI)57.6
IRS net migration2220