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Colo, IA
Full City Profile · Iowa · Story County County
3.2
/5.0
B
Good
751
Population
702/sq mi density
$73,125
Median Income
$38,750 per capita
$147,400
Home Value
$248,788 Zillow
$1,200
Median Rent
29.2% income on rent
48°F
Avg Temperature
260 sunny days/yr
270
Violent Crime/100K
540 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$73,125 median income, 3.4% unemployment
A+
Affordability
5.0 / 5.0
$147,400 home value, $1,200/mo rent
F
Safety
1.0 / 5.0
270 violent crimes/100K
C+
Education
2.5 / 5.0
19.3% bachelor's degree or higher
Colo experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 18°F in January while summers reach 73°F in July. The area gets 260 sunny days per year. Annual precipitation totals 36.5 inches. The area receives 30.6 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
18°F Jan (-8°C)
73°F Jul (23°C)
| Annual Average | 47.8°F |
| 11% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,030 ft (314 m) |
| Area | 1.1 sq mi (2.8 km²) |
| Population Density | 702/sq mi |
| Coordinates | 42.0145°N, 93.3186°W |
| Timezone | America/Chicago |
| County | Story County County |
| Nearest Airport | Des Moines International (DSM) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 68.8 / 100 |
| Social Vulnerability | 13.0 / 100 |
| Community Resilience | 86.8 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 0.8 in | Coldest, Driest |
| February | 23°F (-5°C) | 1.0 in | |
| March | 35°F (2°C) | 2.2 in | |
| April | 48°F (9°C) | 3.3 in | |
| May | 60°F (16°C) | 4.3 in | |
| June | 70°F (21°C) | 4.9 in | Wettest |
| July | 73°F (23°C) | 4.3 in | Warmest |
| August | 71°F (22°C) | 4.3 in | |
| September | 63°F (17°C) | 3.5 in | |
| October | 51°F (11°C) | 2.6 in | |
| November | 36°F (2°C) | 1.7 in | |
| December | 22°F (-6°C) | 1.1 in |
Colo has a seasonal temperature swing of 55°F / from 18°F in January to 73°F in July. Total annual precipitation is 34.0 inches, with June being the wettest month (4.9") and January the driest (0.8").