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Andover, IA
Full City Profile · Iowa · Clinton County County
1.4
/5.0
F
Poor
120
Population
667/sq mi density
$115,000
Home Value
$147,479 Zillow
50°F
Avg Temperature
275 sunny days/yr
626
Violent Crime/100K
4,618 property/100K
F
Overall
1.4 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
626 violent crimes/100K (65% above avg)
D
Education
1.9 / 5.0
11.1% bachelor's degree or higher
Andover experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 21°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 34.3 inches. Air quality is rated Good with a median AQI of 43.
Temperature
21°F Jan (-6°C)
75°F Jul (24°C)
| Annual Average | 49.9°F |
| 8% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 727 ft (222 m) |
| Area | 0.2 sq mi (0.5 km²) |
| Population Density | 667/sq mi |
| Coordinates | 41.9801°N, 90.2528°W |
| Timezone | America/Chicago |
| County | Clinton County County |
| Nearest Airport | Dubuque Regional (DBQ) 37 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0477 ppm |
| SO₂ (Sulfur Dioxide) | 1.32 ppb |
| PM2.5 (Fine Particles) | 11.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 64.8 / 100 |
| Social Vulnerability | 34.6 / 100 |
| Community Resilience | 87.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively 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 | 21°F (-6°C) | 1.4 in | Coldest |
| February | 24°F (-4°C) | 1.3 in | Driest |
| March | 36°F (2°C) | 2.5 in | |
| April | 49°F (9°C) | 3.4 in | |
| May | 61°F (16°C) | 4.1 in | |
| June | 70°F (21°C) | 4.6 in | Wettest |
| July | 75°F (24°C) | 3.7 in | Warmest |
| August | 71°F (22°C) | 4.4 in | |
| September | 63°F (17°C) | 3.6 in | |
| October | 52°F (11°C) | 2.7 in | |
| November | 37°F (3°C) | 2.5 in | |
| December | 25°F (-4°C) | 1.9 in |
Andover has a seasonal temperature swing of 53°F / from 21°F in January to 75°F in July. Total annual precipitation is 36.2 inches, with June being the wettest month (4.6") and February the driest (1.3").