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West Amana, IA
Full City Profile · Iowa · Johnson County County
2.6
/5.0
C+
Fair
45
Population
167/sq mi density
$82,813
Median Income
$36,622 per capita
48°F
Avg Temperature
275 sunny days/yr
199
Violent Crime/100K
239 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$82,813 median income, 0.0% unemployment
F
Safety
1.0 / 5.0
199 violent crimes/100K
C
Education
2.2 / 5.0
15.6% bachelor's degree or higher
West Amana experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 19°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 37.7 inches. The area receives 28.1 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
19°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 48.2°F |
| 11% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 790 ft (241 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 167/sq mi |
| Coordinates | 41.8085°N, 91.9655°W |
| Timezone | America/Chicago |
| County | Johnson County County |
| Nearest Airport | The Eastern Iowa (CID) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 10.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.4 / 100 |
| Social Vulnerability | 11.4 / 100 |
| Community Resilience | 96.7 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 1.0 in | Coldest |
| February | 25°F (-4°C) | 0.9 in | Driest |
| March | 37°F (3°C) | 2.2 in | |
| April | 50°F (10°C) | 3.5 in | |
| May | 61°F (16°C) | 4.1 in | |
| June | 71°F (21°C) | 4.6 in | Wettest |
| July | 73°F (23°C) | 4.4 in | Warmest |
| August | 72°F (22°C) | 4.4 in | |
| September | 64°F (18°C) | 4.1 in | |
| October | 52°F (11°C) | 2.6 in | |
| November | 38°F (3°C) | 2.2 in | |
| December | 25°F (-4°C) | 1.5 in |
West Amana has a seasonal temperature swing of 54°F / from 19°F in January to 73°F in July. Total annual precipitation is 35.6 inches, with June being the wettest month (4.6") and February the driest (0.9").