Masonville, IA
Full City Profile · Iowa · Delaware County County
3.3
/5.0
B
Good
72
Population
218/sq mi density
$46,250
Median Income
$29,674 per capita
$63,800
Home Value
$319,305 Zillow
$688
Median Rent
25.8% income on rent
46°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$46,250 median income, 4.7% unemployment
A+
Affordability
5.0 / 5.0
$63,800 home value, $688/mo rent
F
Education
1.3 / 5.0
3.3% bachelor's degree or higher
Masonville experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 17°F in January while summers reach 72°F in July. Annual precipitation totals 38.6 inches. The area receives 34.7 inches of snow annually.
Temperature
17°F Jan (-8°C)
72°F Jul (22°C)
| Annual Average | 46.3°F |
| 14% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 1,018 ft (310 m) |
| Area | 0.3 sq mi (0.9 km²) |
| Population Density | 218/sq mi |
| Coordinates | 42.4798°N, 91.5915°W |
| Timezone | America/Chicago |
| County | Delaware County County |
| Nearest Airport | Monticello Regional (MXO) 28 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 49.8 / 100 |
| Social Vulnerability | 32.6 / 100 |
| Community Resilience | 90.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively 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 | 17°F (-8°C) | 1.1 in | Coldest, Driest |
| February | 21°F (-6°C) | 1.4 in | |
| March | 34°F (1°C) | 2.1 in | |
| April | 46°F (8°C) | 3.8 in | |
| May | 58°F (15°C) | 4.5 in | |
| June | 68°F (20°C) | 6.0 in | Wettest |
| July | 72°F (22°C) | 4.8 in | Warmest |
| August | 69°F (21°C) | 4.1 in | |
| September | 62°F (16°C) | 3.8 in | |
| October | 49°F (10°C) | 3.1 in | |
| November | 35°F (2°C) | 2.2 in | |
| December | 24°F (-5°C) | 1.6 in |
Masonville has a seasonal temperature swing of 54°F / from 17°F in January to 72°F in July. Total annual precipitation is 38.6 inches, with June being the wettest month (6.0") and January the driest (1.1").