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Garden Grove city, CA

ZIP 92843 — Climate & Environment

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

Middle ClassLow Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 92843

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 Garden Grove city, CA as Very High (composite score 99.8), which is among the highest nationally. The strongest component scores on US5 are flood (99.8) and wildfire (99.8). 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 High
Risk index
99.8
Flood risk
99.8
Wildfire risk
99.8
Hurricane risk
0.0
Earthquake risk
99.9
Tornado risk
83.7
Winter weather risk
1.3
Hail risk
79.6
Air Quality (EPA AQI)

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

52
Median AQI
44.5%
Good Days

Air quality healthy to breathe

3.3%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 92843

Climate normals for Garden Grove city, CA show little to no average snow and around 12.5 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Very High) 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
10b
Annual Snow Days
0
Annual Precipitation
12.54 in
FEMA NRI rating
Very High

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone10b
Annual precip (in)12.54
Snow days0
Broadband access91.4%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery High
NRI risk index99.8
Flood risk (NRI)99.8
Wildfire risk (NRI)99.8
Hurricane risk (NRI)0.0
IRS net migration2291
Median AQI52
Good AQI days44.5%