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Shell Rock, IA
Full City Profile · Iowa · Butler County County
3.2
/5.0
B
Good
1,634
Population
1,021/sq mi density
$70,556
Median Income
$34,234 per capita
$159,100
Home Value
$217,091 Zillow
$750
Median Rent
26.5% income on rent
47°F
Avg Temperature
260 sunny days/yr
544
Violent Crime/100K
1,492 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$70,556 median income, 3.2% unemployment
A+
Affordability
5.0 / 5.0
$159,100 home value, $750/mo rent
F
Safety
1.0 / 5.0
544 violent crimes/100K (43% above avg)
C
Education
2.4 / 5.0
17.8% bachelor's degree or higher
Shell Rock experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 16°F in January while summers reach 73°F in July. The area gets 260 sunny days per year. Annual precipitation totals 35.4 inches. Air quality is rated Good with a median AQI of 43.
Temperature
16°F Jan (-9°C)
73°F Jul (23°C)
| Annual Average | 46.7°F |
| 14% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 906 ft (276 m) |
| Area | 1.7 sq mi (4.3 km²) |
| Population Density | 1,021/sq mi |
| Coordinates | 42.7123°N, 92.5817°W |
| Timezone | America/Chicago |
| County | Butler County County |
| Nearest Airport | Waterloo Regional (ALO) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 27.1 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 89.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very 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 | 16°F (-9°C) | 0.8 in | Coldest, Driest |
| February | 22°F (-6°C) | 0.9 in | |
| March | 34°F (1°C) | 2.1 in | |
| April | 48°F (9°C) | 3.3 in | |
| May | 60°F (16°C) | 4.1 in | |
| June | 69°F (21°C) | 4.7 in | |
| July | 73°F (23°C) | 4.7 in | Warmest, Wettest |
| August | 70°F (21°C) | 4.1 in | |
| September | 62°F (17°C) | 3.6 in | |
| October | 50°F (10°C) | 2.6 in | |
| November | 35°F (1°C) | 1.9 in | |
| December | 21°F (-6°C) | 1.2 in |
Shell Rock has a seasonal temperature swing of 57°F / from 16°F in January to 73°F in July. Total annual precipitation is 34.1 inches, with July being the wettest month (4.7") and January the driest (0.8").