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Calmar, IA
Full City Profile · Iowa · Winneshiek County County
3.6
/5.0
B+
Good
980
Population
875/sq mi density
$81,583
Median Income
$35,865 per capita
$194,600
Home Value
$196,574 Zillow
$684
Median Rent
18.5% income on rent
49°F
Avg Temperature
260 sunny days/yr
12
Violent Crime/100K
1,201 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$81,583 median income, 0.3% unemployment
A+
Affordability
5.0 / 5.0
$194,600 home value, $684/mo rent
F
Safety
1.4 / 5.0
12 violent crimes/100K
B
Education
3.3 / 5.0
28.3% bachelor's degree or higher
Calmar experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 19°F in January while summers reach 74°F in July. The area gets 260 sunny days per year. Annual precipitation totals 37.6 inches. The area receives 37.5 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
19°F Jan (-7°C)
74°F Jul (23°C)
| Annual Average | 48.5°F |
| 10% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,248 ft (380 m) |
| Area | 1.1 sq mi (2.8 km²) |
| Population Density | 875/sq mi |
| Coordinates | 43.1811°N, 91.8680°W |
| Timezone | America/Chicago |
| County | Winneshiek County County |
| Nearest Airport | Northeast Iowa Regional (CCY) 38 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 36.2 / 100 |
| Social Vulnerability | 12.2 / 100 |
| Community Resilience | 91.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 0.9 in | Coldest, Driest |
| February | 20°F (-7°C) | 0.9 in | |
| March | 33°F (0°C) | 2.1 in | |
| April | 46°F (8°C) | 3.4 in | |
| May | 58°F (15°C) | 3.9 in | |
| June | 68°F (20°C) | 4.3 in | |
| July | 74°F (23°C) | 4.1 in | Warmest |
| August | 69°F (21°C) | 4.4 in | Wettest |
| September | 61°F (16°C) | 3.9 in | |
| October | 49°F (10°C) | 2.5 in | |
| November | 33°F (1°C) | 1.9 in | |
| December | 20°F (-7°C) | 1.3 in |
Calmar has a seasonal temperature swing of 55°F / from 19°F in January to 74°F in July. Total annual precipitation is 33.5 inches, with August being the wettest month (4.4") and January the driest (0.9").