US5.com
  1. Home
  2. States
  3. Colorado
  4. ZIP 81638
  5. Climate & Environment
, CO

ZIP 81638 — Climate & Environment

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

Low Snow AreaRemote Work Hub

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 81638

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 CO as Very Low (composite score 12.1), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (87.5) and flood (30.7). 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 Low
Risk index
12.1
Flood risk
30.7
Wildfire risk
87.5
Earthquake risk
49.7
Tornado risk
2.7
Winter weather risk
69.0
Hail risk
4.3

Climate & Weather in ZIP Code 81638

Climate normals for CO show little to no average snow and around 17.4 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Very Low) when evaluating long-term housing and insurance exposure.

7-day weather forecast

Loading live forecast…

Sunrise, sunset & moon

Loading outdoor timing for ZIP 81638…

Monthly Temperature

30-year climate normals (avg. monthly temperature)

Climate Data
Hardiness Zone
5b
Annual Snow Days
0
Annual Precipitation
17.35 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone5b
Annual precip (in)17.35
Snow days0
Broadband access81.8%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index12.1
Flood risk (NRI)30.7
Wildfire risk (NRI)87.5
IRS net migration4