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Sibley city, IA

ZIP 51249 — 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 51249

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 Sibley city, IA as Very Low (composite score 14.9), which is relatively lower than many U.S. communities. The strongest component scores on US5 are flood (14.9) and wildfire (12.9). 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
14.9
Flood risk
14.9
Wildfire risk
12.9
Earthquake risk
9.3
Tornado risk
42.7
Winter weather risk
66.7
Hail risk
86.3

Climate & Weather in ZIP Code 51249

Climate normals for Sibley city, IA show little to no average snow and around 30.2 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

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Sunrise, sunset & moon

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Monthly Temperature

30-year climate normals (avg. monthly temperature)

Climate Data
Hardiness Zone
4b
Annual Snow Days
0
Annual Precipitation
30.23 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone4b
Annual precip (in)30.23
Snow days0
Broadband access87.8%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index14.9
Flood risk (NRI)14.9
Wildfire risk (NRI)12.9
IRS net migration206