Welton, IA
Full City Profile · Iowa · Clinton County County
3.7
/5.0
B+
Good
139
Population
535/sq mi density
$76,250
Median Income
$29,499 per capita
$117,900
Home Value
$145,575 Zillow
$843
Median Rent
31.7% income on rent
48°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$76,250 median income, 1.4% unemployment
A+
Affordability
5.0 / 5.0
$117,900 home value, $843/mo rent
D
Education
1.6 / 5.0
7.8% bachelor's degree or higher
Welton experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 19°F in January while summers reach 73°F in July. Annual precipitation totals 37.9 inches. The area receives 28.7 inches of snow annually. Air quality is rated Good with a median AQI of 46.
Temperature
19°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 47.9°F |
| 11% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 694 ft (212 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 535/sq mi |
| Coordinates | 41.9079°N, 90.5969°W |
| Timezone | America/Chicago |
| County | Clinton County County |
| Nearest Airport | Quad Cities International (MLI) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 46.0 |
| Rating | Good |
| Good Days % | 63.0% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0477 ppm |
| SO₂ (Sulfur Dioxide) | 1.32 ppb |
| PM2.5 (Fine Particles) | 11.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 64.8 / 100 |
| Social Vulnerability | 34.6 / 100 |
| Community Resilience | 87.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 1.3 in | Coldest, Driest |
| February | 23°F (-5°C) | 1.6 in | |
| March | 36°F (2°C) | 2.4 in | |
| April | 48°F (9°C) | 3.9 in | |
| May | 60°F (15°C) | 4.7 in | |
| June | 70°F (21°C) | 4.8 in | Wettest |
| July | 73°F (23°C) | 4.2 in | Warmest |
| August | 71°F (21°C) | 4.5 in | |
| September | 63°F (17°C) | 3.7 in | |
| October | 51°F (10°C) | 2.8 in | |
| November | 37°F (3°C) | 2.3 in | |
| December | 25°F (-4°C) | 1.8 in |
Welton has a seasonal temperature swing of 54°F / from 19°F in January to 73°F in July. Total annual precipitation is 37.9 inches, with June being the wettest month (4.8") and January the driest (1.3").