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Clermont, IA
Full City Profile · Iowa · Fayette County County
3.6
/5.0
B+
Good
452
Population
359/sq mi density
$73,906
Median Income
$41,010 per capita
$117,200
Home Value
$198,049 Zillow
$507
Median Rent
22.5% income on rent
45°F
Avg Temperature
260 sunny days/yr
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$73,906 median income, 1.5% unemployment
A+
Affordability
5.0 / 5.0
$117,200 home value, $507/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C
Education
2.2 / 5.0
15.5% bachelor's degree or higher
Clermont 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. The area gets 260 sunny days per year. Annual precipitation totals 39.5 inches. The area receives 41.1 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
15°F Jan (-9°C)
71°F Jul (21°C)
| Annual Average | 45.0°F |
| 17% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 71°F (21°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 851 ft (259 m) |
| Area | 1.2 sq mi (3.2 km²) |
| Population Density | 359/sq mi |
| Coordinates | 42.9996°N, 91.6523°W |
| Timezone | America/Chicago |
| County | Fayette County County |
| Nearest Airport | Northeast Iowa Regional (CCY) 49 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 50.9 / 100 |
| Social Vulnerability | 55.4 / 100 |
| Community Resilience | 73.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| 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 | 15°F (-9°C) | 1.0 in | Coldest, Driest |
| February | 22°F (-6°C) | 1.1 in | |
| March | 34°F (1°C) | 2.1 in | |
| April | 47°F (8°C) | 3.4 in | |
| May | 59°F (15°C) | 4.0 in | |
| June | 68°F (20°C) | 4.3 in | |
| July | 71°F (21°C) | 4.1 in | Warmest |
| August | 70°F (21°C) | 4.5 in | Wettest |
| September | 61°F (16°C) | 3.6 in | |
| October | 50°F (10°C) | 2.5 in | |
| November | 35°F (1°C) | 2.1 in | |
| December | 21°F (-6°C) | 1.4 in |
Clermont has a seasonal temperature swing of 55°F / from 15°F in January to 71°F in July. Total annual precipitation is 33.9 inches, with August being the wettest month (4.5") and January the driest (1.0").