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Dedham, IA
Full City Profile · Iowa · Audubon County County
3.2
/5.0
B
Good
262
Population
476/sq mi density
$87,083
Median Income
$30,550 per capita
$132,400
Home Value
$191,236 Zillow
47°F
Avg Temperature
275 sunny days/yr
130
Violent Crime/100K
941 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$87,083 median income, 1.0% unemployment
A+
Affordability
5.0 / 5.0
$132,400 home value, /mo rent
F
Safety
1.0 / 5.0
130 violent crimes/100K
C+
Education
2.5 / 5.0
18.8% bachelor's degree or higher
Dedham experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 18°F in January while summers reach 72°F in July. The area gets 275 sunny days per year. Annual precipitation totals 35.0 inches. Air quality is rated Good with a median AQI of 43.
Temperature
18°F Jan (-8°C)
72°F Jul (22°C)
| Annual Average | 47.0°F |
| 13% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,270 ft (387 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 476/sq mi |
| Coordinates | 41.9084°N, 94.8233°W |
| Timezone | America/Chicago |
| County | Audubon County County |
| Nearest Airport | Fort Dodge Regional (FOD) 55 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 38.6 / 100 |
| Social Vulnerability | 48.2 / 100 |
| Community Resilience | 90.8 / 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 | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively 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 | 25°F (-4°C) | 0.9 in | |
| March | 36°F (2°C) | 2.2 in | |
| April | 49°F (10°C) | 3.4 in | |
| May | 61°F (16°C) | 4.3 in | |
| June | 70°F (21°C) | 4.7 in | Wettest |
| July | 72°F (22°C) | 4.0 in | Warmest |
| August | 72°F (22°C) | 3.9 in | |
| September | 64°F (18°C) | 3.7 in | |
| October | 52°F (11°C) | 2.6 in | |
| November | 36°F (2°C) | 1.6 in | |
| December | 23°F (-5°C) | 1.1 in |
Dedham has a seasonal temperature swing of 54°F / from 18°F in January to 72°F in July. Total annual precipitation is 33.0 inches, with June being the wettest month (4.7") and January the driest (0.8").