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Rochester, IA
Full City Profile · Iowa · Cedar County County
3.0
/5.0
B
Good
45
Population
47/sq mi density
49°F
Avg Temperature
275 sunny days/yr
31
Violent Crime/100K
1,973 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
31 violent crimes/100K
A+
Education
5.0 / 5.0
0.0% bachelor's degree or higher
Rochester experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 20°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 36.5 inches. Air quality is rated Good with a median AQI of 43.
Temperature
20°F Jan (-7°C)
74°F Jul (23°C)
| Annual Average | 49.3°F |
| 9% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 695 ft (212 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 47/sq mi |
| Coordinates | 41.6741°N, 91.1443°W |
| Timezone | America/Chicago |
| County | Cedar County County |
| Nearest Airport | The Eastern Iowa (CID) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 21.5 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 91.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 1.2 in | Coldest |
| February | 25°F (-4°C) | 1.2 in | Driest |
| March | 37°F (3°C) | 2.4 in | |
| April | 49°F (10°C) | 3.6 in | |
| May | 61°F (16°C) | 4.0 in | |
| June | 70°F (21°C) | 4.5 in | Wettest |
| July | 74°F (23°C) | 4.3 in | Warmest |
| August | 72°F (22°C) | 4.2 in | |
| September | 64°F (18°C) | 4.1 in | |
| October | 52°F (11°C) | 2.8 in | |
| November | 37°F (3°C) | 2.4 in | |
| December | 25°F (-4°C) | 1.9 in |
Rochester has a seasonal temperature swing of 54°F / from 20°F in January to 74°F in July. Total annual precipitation is 36.7 inches, with June being the wettest month (4.5") and February the driest (1.2").