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Unionville CDP (Butler County), PA
Full City Profile · Pennsylvania · Butler County County
2.4
/5.0
C
Fair
717
Population
279/sq mi density
$55,545
Median Income
$36,581 per capita
49°F
Avg Temperature
275 sunny days/yr
C
Overall
2.4 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$55,545 median income, 2.8% unemployment
C+
Safety
2.5 / 5.0
0 violent crimes/100K
D
Education
1.8 / 5.0
10.1% bachelor's degree or higher
Unionville CDP (Butler County) experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 26°F in January while summers reach 70°F in July. The area gets 275 sunny days per year. Annual precipitation totals 43.2 inches. The area receives 34.9 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
26°F Jan (-3°C)
70°F Jul (21°C)
| Annual Average | 48.5°F |
| 10% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,284 ft (391 m) |
| Area | 2.6 sq mi (6.7 km²) |
| Population Density | 279/sq mi |
| Coordinates | 40.9423°N, 79.9613°W |
| Timezone | America/New_York |
| County | Butler County County |
| Nearest Airport | Pittsburgh/Butler Regional (BTP) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 79.3 / 100 |
| Social Vulnerability | 20.8 / 100 |
| Community Resilience | 86.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 2.6 in | Coldest |
| February | 28°F (-2°C) | 2.3 in | Driest |
| March | 37°F (3°C) | 3.2 in | |
| April | 48°F (9°C) | 3.3 in | |
| May | 58°F (14°C) | 3.9 in | |
| June | 66°F (19°C) | 4.4 in | Wettest |
| July | 70°F (21°C) | 4.2 in | Warmest |
| August | 69°F (21°C) | 3.8 in | |
| September | 62°F (17°C) | 3.6 in | |
| October | 51°F (10°C) | 2.9 in | |
| November | 41°F (5°C) | 3.3 in | |
| December | 31°F (-1°C) | 3.1 in |
Unionville CDP (Butler County) has a seasonal temperature swing of 44°F / from 26°F in January to 70°F in July. Total annual precipitation is 40.6 inches, with June being the wettest month (4.4") and February the driest (2.3").