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Top-of-the-World CDP, AZ

ZIP 85539 — 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 85539

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 Top-of-the-World CDP, AZ as Relatively Moderate (composite score 90.2), which is among the highest nationally. The strongest component scores on US5 are wildfire (99.1) and flood (93.1). 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
90.2
Flood risk
93.1
Wildfire risk
99.1
Hurricane risk
7.7
Earthquake risk
59.0
Tornado risk
13.4
Winter weather risk
86.0
Hail risk
29.3
Air Quality (EPA AQI)

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

50
Median AQI
52.0%
Good Days

Air quality healthy to breathe

5.5%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 85539

Climate normals for Top-of-the-World CDP, AZ show little to no average snow and around 17.2 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
8a
Annual Snow Days
0
Annual Precipitation
17.22 in
FEMA NRI rating
Relatively Moderate

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone8a
Annual precip (in)17.22
Snow days0
Broadband access76.4%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Moderate
NRI risk index90.2
Flood risk (NRI)93.1
Wildfire risk (NRI)99.1
Hurricane risk (NRI)7.7
IRS net migration103
Median AQI50
Good AQI days52.0%