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Armstrong, IA
Full City Profile · Iowa · Emmet County County
2.9
/5.0
C+
Fair
709
Population
806/sq mi density
$52,279
Median Income
$33,455 per capita
$86,400
Home Value
$166,959 Zillow
$632
Median Rent
17.5% income on rent
44°F
Avg Temperature
260 sunny days/yr
580
Violent Crime/100K
1,134 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$52,279 median income, 3.9% unemployment
A+
Affordability
5.0 / 5.0
$86,400 home value, $632/mo rent
F
Safety
1.0 / 5.0
580 violent crimes/100K (53% above avg)
D
Education
1.9 / 5.0
11.7% bachelor's degree or higher
Armstrong has a cool climate with an average annual temperature of 44°F (7°C). Winters average 13°F in January while summers reach 70°F in July. The area gets 260 sunny days per year. Annual precipitation totals 32.9 inches. The area receives 39.7 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
13°F Jan (-10°C)
70°F Jul (21°C)
| Annual Average | 43.8°F |
| 19% below US avg | |
| January Average | 13°F (-10°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,235 ft (376 m) |
| Area | 0.9 sq mi (2.3 km²) |
| Population Density | 806/sq mi |
| Coordinates | 43.3944°N, 94.4834°W |
| Timezone | America/Chicago |
| County | Emmet County County |
| Nearest Airport | Fort Dodge Regional (FOD) 60 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 42.8 / 100 |
| Social Vulnerability | 33.6 / 100 |
| Community Resilience | 67.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| 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 | Relatively Low |
| Ice Storm | Relatively 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 | 13°F (-10°C) | 0.7 in | Coldest, Driest |
| February | 20°F (-7°C) | 0.7 in | |
| March | 32°F (0°C) | 1.9 in | |
| April | 46°F (8°C) | 3.0 in | |
| May | 59°F (15°C) | 3.7 in | |
| June | 69°F (21°C) | 4.3 in | Wettest |
| July | 70°F (21°C) | 4.0 in | Warmest |
| August | 70°F (21°C) | 3.9 in | |
| September | 62°F (16°C) | 3.1 in | |
| October | 49°F (10°C) | 2.2 in | |
| November | 33°F (0°C) | 1.6 in | |
| December | 19°F (-7°C) | 0.9 in |
Armstrong has a seasonal temperature swing of 57°F / from 13°F in January to 70°F in July. Total annual precipitation is 30.0 inches, with June being the wettest month (4.3") and January the driest (0.7").