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Downieville-Lawson-Dumont CDP, CO

ZIP 80436 — Climate & Environment

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

Working ClassLow Snow AreaRemote Work Hub

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 80436

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 Downieville-Lawson-Dumont CDP, CO as Relatively Low (composite score 46.7), which is near the middle of the national distribution. The strongest component scores on US5 are wildfire (94.0) and flood (40.0). 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
46.7
Flood risk
40.0
Wildfire risk
94.0
Earthquake risk
25.7
Tornado risk
18.7
Winter weather risk
32.6
Hail risk
74.6
Air Quality (EPA AQI)

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

48
Median AQI
64.4%
Good Days

Air quality healthy to breathe

0.0%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 80436

Climate normals for Downieville-Lawson-Dumont CDP, CO show little to no average snow and around 18.3 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
5b
Annual Snow Days
0
Annual Precipitation
18.29 in
FEMA NRI rating
Relatively Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone5b
Annual precip (in)18.29
Snow days0
Broadband access95.9%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Low
NRI risk index46.7
Flood risk (NRI)40.0
Wildfire risk (NRI)94.0
IRS net migration16
Median AQI48
Good AQI days64.4%