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Miller, IA
Full City Profile · Iowa · Hancock County County
3.0
/5.0
B
Good
24
Population
12/sq mi density
45°F
Avg Temperature
260 sunny days/yr
302
Violent Crime/100K
1,260 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
302 violent crimes/100K
A+
Education
5.0 / 5.0
0.0% bachelor's degree or higher
Miller has a cool climate with an average annual temperature of 45°F (7°C). Winters average 14°F in January while summers reach 71°F in July. The area gets 260 sunny days per year. Annual precipitation totals 35.9 inches. Air quality is rated Good with a median AQI of 43.
Temperature
14°F Jan (-10°C)
71°F Jul (22°C)
| Annual Average | 44.9°F |
| 17% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,213 ft (370 m) |
| Area | 2.1 sq mi (5.3 km²) |
| Population Density | 12/sq mi |
| Coordinates | 43.1864°N, 93.6076°W |
| Timezone | America/Chicago |
| County | Hancock County County |
| Nearest Airport | Northeast Iowa Regional (CCY) 51 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 28.8 / 100 |
| Social Vulnerability | 19.7 / 100 |
| Community Resilience | 80.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 0.8 in | Coldest |
| February | 20°F (-7°C) | 0.8 in | Driest |
| March | 32°F (0°C) | 1.9 in | |
| April | 46°F (8°C) | 3.2 in | |
| May | 59°F (15°C) | 3.7 in | |
| June | 69°F (20°C) | 4.6 in | Wettest |
| July | 71°F (22°C) | 4.3 in | Warmest |
| August | 70°F (21°C) | 4.2 in | |
| September | 62°F (16°C) | 3.3 in | |
| October | 49°F (10°C) | 2.3 in | |
| November | 33°F (1°C) | 1.7 in | |
| December | 19°F (-7°C) | 1.0 in |
Miller has a seasonal temperature swing of 57°F / from 14°F in January to 71°F in July. Total annual precipitation is 31.7 inches, with June being the wettest month (4.6") and February the driest (0.8").