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, TX

ZIP 77973 — Climate & Environment

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

Low Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 77973

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 TX as Relatively Moderate (composite score 86.5), which is elevated versus much of the country. The strongest component scores on US5 are hurricane (96.2) and wildfire (76.5). 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
Relatively Moderate
Risk index
86.5
Flood risk
71.2
Wildfire risk
76.5
Hurricane risk
96.2
Earthquake risk
26.5
Tornado risk
85.2
Winter weather risk
51.8
Hail risk
55.9
Air Quality (EPA AQI)

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

31
Median AQI
91.6%
Good Days

Air quality healthy to breathe

0.0%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 77973

Climate normals for TX show little to no average snow and around 41.9 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively Moderate) 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
9b
Annual Snow Days
0
Annual Precipitation
41.89 in
FEMA NRI rating
Relatively Moderate

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone9b
Annual precip (in)41.89
Snow days0
Broadband access100.0%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Moderate
NRI risk index86.5
Flood risk (NRI)71.2
Wildfire risk (NRI)76.5
Hurricane risk (NRI)96.2
IRS net migration1
Median AQI31
Good AQI days91.6%