Armstrong, IA
Full City Profile · Iowa · Emmet County County
3.3
/5.0
B
Good
709
Population
806/sq mi density
$52,279
Median Income
$33,455 per capita
$86,400
Home Value
$168,135 Zillow
$632
Median Rent
17.5% income on rent
45°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$52,279 median income, 7.8% unemployment
A+
Affordability
5.0 / 5.0
$86,400 home value, $632/mo rent
D
Education
1.9 / 5.0
11.7% bachelor's degree or higher
Armstrong has a cool climate with an average annual temperature of 45°F (7°C). Winters average 15°F in January while summers reach 71°F in July. Annual precipitation totals 29.3 inches. The area receives 39.7 inches of snow annually.
Temperature
15°F Jan (-10°C)
71°F Jul (21°C)
| Annual Average | 44.6°F |
| 17% below US avg | |
| January Average | 15°F (-10°C) |
| July Average | 71°F (21°C) |
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
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 | 15°F (-10°C) | 0.6 in | Coldest |
| February | 19°F (-7°C) | 0.5 in | Driest |
| March | 32°F (-0°C) | 1.5 in | |
| April | 45°F (7°C) | 3.1 in | |
| May | 58°F (14°C) | 4.5 in | |
| June | 68°F (20°C) | 4.6 in | Wettest |
| July | 71°F (21°C) | 3.8 in | Warmest |
| August | 68°F (20°C) | 3.3 in | |
| September | 61°F (16°C) | 3.1 in | |
| October | 47°F (9°C) | 2.5 in | |
| November | 33°F (0°C) | 1.4 in | |
| December | 20°F (-7°C) | 0.5 in |
Armstrong has a seasonal temperature swing of 56°F / from 15°F in January to 71°F in July. Total annual precipitation is 29.3 inches, with June being the wettest month (4.6") and February the driest (0.5").