Marysville, IA
Full City Profile · Iowa · Monroe County County
4.6
/5.0
A+
Excellent
52
Population
96/sq mi density
$168,800
Home Value
$145,161 Zillow
50°F
Avg Temperature
A+
Overall
4.6 / 5.0
Strong
A+
Education
4.6 / 5.0
0.0% bachelor's degree or higher
Marysville experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 75°F in July. Annual precipitation totals 36.5 inches. The area receives 30.0 inches of snow annually.
Temperature
22°F Jan (-5°C)
75°F Jul (24°C)
| Annual Average | 50.0°F |
| 7% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 744 ft (227 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 96/sq mi |
| Coordinates | 41.1808°N, 92.9538°W |
| Timezone | America/Chicago |
| County | Monroe County County |
| Nearest Airport | Ottumwa Regional (OTM) 27 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 10.3 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 56.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Very 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 | 22°F (-5°C) | 1.1 in | Coldest, Driest |
| February | 26°F (-3°C) | 1.5 in | |
| March | 38°F (3°C) | 2.0 in | |
| April | 50°F (10°C) | 3.8 in | |
| May | 61°F (16°C) | 4.9 in | |
| June | 70°F (21°C) | 5.2 in | Wettest |
| July | 75°F (24°C) | 4.0 in | Warmest |
| August | 73°F (23°C) | 4.0 in | |
| September | 65°F (18°C) | 3.6 in | |
| October | 53°F (11°C) | 2.8 in | |
| November | 39°F (4°C) | 2.1 in | |
| December | 28°F (-2°C) | 1.5 in |
Marysville has a seasonal temperature swing of 52°F / from 22°F in January to 75°F in July. Total annual precipitation is 36.5 inches, with June being the wettest month (5.2") and January the driest (1.1").