Somerville, OH
Full City Profile · Ohio · Butler County County
1.5
/5.0
D
Poor
321
Population
1,235/sq mi density
$111,100
Home Value
$371,351 Zillow
54°F
Avg Temperature
D
Overall
1.5 / 5.0
Below average overall score based on economy, affordability, safety and education
D
Education
1.5 / 5.0
6.5% bachelor's degree or higher
Somerville experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 31°F in January while summers reach 76°F in July. Annual precipitation totals 43.6 inches. The area receives 9.7 inches of snow annually. Air quality is rated Moderate with a median AQI of 53.
Temperature
31°F Jan (-1°C)
76°F Jul (24°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 76°F (24°C) |
Geography
| Elevation | 767 ft (234 m) |
| Area | 0.2 sq mi (0.6 km²) |
| Population Density | 1,235/sq mi |
| Coordinates | 39.5638°N, 84.6393°W |
| Timezone | America/New_York |
| County | Butler County County |
| Nearest Airport | Middletown Regional/Hook Field (MWO) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 53.0 |
| Rating | Moderate |
| Good Days % | 42.1% |
| Unhealthy Days | 3 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0475 ppm |
| SO₂ (Sulfur Dioxide) | 0.67 ppb |
| PM2.5 (Fine Particles) | 11.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 91.5 / 100 |
| Social Vulnerability | 22.4 / 100 |
| Community Resilience | 74.1 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 3.4 in | Coldest |
| February | 34°F (1°C) | 2.7 in | Driest |
| March | 43°F (6°C) | 3.7 in | |
| April | 54°F (12°C) | 4.4 in | |
| May | 64°F (18°C) | 5.4 in | Wettest |
| June | 72°F (22°C) | 4.2 in | |
| July | 76°F (24°C) | 4.0 in | Warmest |
| August | 74°F (23°C) | 3.0 in | |
| September | 67°F (19°C) | 3.2 in | |
| October | 55°F (13°C) | 3.2 in | |
| November | 43°F (6°C) | 3.2 in | |
| December | 35°F (1°C) | 3.3 in |
Somerville has a seasonal temperature swing of 45°F / from 31°F in January to 76°F in July. Total annual precipitation is 43.6 inches, with May being the wettest month (5.4") and February the driest (2.7").