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Wilmington, OH
Full City Profile · Ohio · Clinton County County
3.0
/5.0
B
Good
12,637
Population
977/sq mi density
$52,661
Median Income
$28,874 per capita
$162,700
Home Value
$262,451 Zillow
$925
Median Rent
25.3% income on rent
54°F
Avg Temperature
293 sunny days/yr
210
Violent Crime/100K
5,254 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$52,661 median income, 2.9% unemployment
A+
Affordability
4.9 / 5.0
$162,700 home value, $925/mo rent
F
Safety
1.0 / 5.0
210 violent crimes/100K
C+
Education
2.9 / 5.0
23.7% bachelor's degree or higher
Wilmington experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 293 sunny days per year. Annual precipitation totals 44.7 inches. The area receives 26.6 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
30°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 1,045 ft (319 m) |
| Area | 10.9 sq mi (28.3 km²) |
| Population Density | 977/sq mi |
| Coordinates | 39.4291°N, 83.8162°W |
| Timezone | America/New_York |
| County | Clinton County County |
| Nearest Airport | Middletown Regional/Hook Field (MWO) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0477 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 34.0 / 100 |
| Social Vulnerability | 31.1 / 100 |
| Community Resilience | 81.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.8 in | Coldest |
| February | 30°F (-1°C) | 2.7 in | |
| March | 41°F (5°C) | 3.5 in | |
| April | 51°F (10°C) | 4.1 in | |
| May | 61°F (16°C) | 4.7 in | Wettest |
| June | 70°F (21°C) | 3.7 in | |
| July | 75°F (24°C) | 4.3 in | Warmest |
| August | 71°F (22°C) | 3.6 in | |
| September | 65°F (19°C) | 3.1 in | |
| October | 54°F (12°C) | 2.4 in | Driest |
| November | 43°F (6°C) | 3.2 in | |
| December | 33°F (0°C) | 3.0 in |
Wilmington has a seasonal temperature swing of 45°F / from 30°F in January to 75°F in July. Total annual precipitation is 40.9 inches, with May being the wettest month (4.7") and October the driest (2.4").