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Rochester city, MN

ZIP 55904 — 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 55904

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 Rochester city, MN as Relatively Moderate (composite score 82.3), which is elevated versus much of the country. The strongest component scores on US5 are flood (86.9) and wildfire (20.5). 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
82.3
Flood risk
86.9
Wildfire risk
20.5
Hurricane risk
0.0
Earthquake risk
16.3
Tornado risk
89.3
Winter weather risk
83.3
Hail risk
83.4
Air Quality (EPA AQI)

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

36
Median AQI
83.1%
Good Days

Air quality healthy to breathe

0.0%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 55904

Climate normals for Rochester city, MN show little to no average snow and around 34.7 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
4b
Annual Snow Days
0
Annual Precipitation
34.67 in
FEMA NRI rating
Relatively Moderate

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone4b
Annual precip (in)34.67
Snow days0
Broadband access88.3%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Moderate
NRI risk index82.3
Flood risk (NRI)86.9
Wildfire risk (NRI)20.5
Hurricane risk (NRI)0.0
IRS net migration2107
Median AQI36
Good AQI days83.1%