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Dearborn city, MO

ZIP 64439 — 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 64439

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 Dearborn city, MO as Relatively Low (composite score 71.4), which is elevated versus much of the country. The strongest component scores on US5 are flood (65.9) and wildfire (60.6). 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
71.4
Flood risk
65.9
Wildfire risk
60.6
Hurricane risk
0.0
Earthquake risk
42.1
Tornado risk
88.0
Winter weather risk
87.3
Hail risk
90.0

Climate & Weather in ZIP Code 64439

Climate normals for Dearborn city, MO show little to no average snow and around 40.0 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
6a
Annual Snow Days
0
Annual Precipitation
40.03 in
FEMA NRI rating
Relatively Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone6a
Annual precip (in)40.03
Snow days0
Broadband access93.8%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Low
NRI risk index71.4
Flood risk (NRI)65.9
Wildfire risk (NRI)60.6
Hurricane risk (NRI)0.0
IRS net migration69