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Sebastian CDP, TX

ZIP 78594 — Climate & Environment

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

Low Income AreaLow Snow AreaRemote Work Hub

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 78594

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 Sebastian CDP, TX as Relatively Low (composite score 77.5), which is elevated versus much of the country. The strongest component scores on US5 are hurricane (91.7) and flood (30.9). 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
77.5
Flood risk
30.9
Wildfire risk
28.7
Hurricane risk
91.7
Earthquake risk
15.2
Tornado risk
23.2
Winter weather risk
17.3
Hail risk
39.0

Climate & Weather in ZIP Code 78594

Climate normals for Sebastian CDP, TX show little to no average snow and around 24.6 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
10a
Annual Snow Days
0
Annual Precipitation
24.61 in
FEMA NRI rating
Relatively Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone10a
Annual precip (in)24.61
Snow days0
Broadband access69.5%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Low
NRI risk index77.5
Flood risk (NRI)30.9
Wildfire risk (NRI)28.7
Hurricane risk (NRI)91.7
IRS net migration61