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Summerville, PA
Full City Profile · Pennsylvania · Jefferson County County
2.9
/5.0
C+
Fair
458
Population
763/sq mi density
$50,625
Median Income
$26,066 per capita
$78,000
Home Value
$133,435 Zillow
$825
Median Rent
18.4% income on rent
48°F
Avg Temperature
275 sunny days/yr
102
Violent Crime/100K
1,382 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$50,625 median income, 4.6% unemployment
A+
Affordability
5.0 / 5.0
$78,000 home value, $825/mo rent
F
Safety
1.0 / 5.0
102 violent crimes/100K
C
Education
2.4 / 5.0
17.4% bachelor's degree or higher
Summerville experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 24°F in January while summers reach 70°F in July. The area gets 275 sunny days per year. Annual precipitation totals 46.9 inches. Air quality is rated Good with a median AQI of 40.
Temperature
24°F Jan (-4°C)
70°F Jul (21°C)
| Annual Average | 47.7°F |
| 12% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,158 ft (353 m) |
| Area | 0.2 sq mi (0.6 km²) |
| Population Density | 763/sq mi |
| Coordinates | 41.1164°N, 79.1883°W |
| Timezone | America/New_York |
| County | Jefferson County County |
| Nearest Airport | Dubois Regional (DUJ) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 57.9 / 100 |
| Social Vulnerability | 87.0 / 100 |
| Community Resilience | 77.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 2.8 in | Coldest |
| February | 27°F (-3°C) | 2.7 in | Driest |
| March | 36°F (2°C) | 3.6 in | |
| April | 47°F (8°C) | 3.6 in | |
| May | 57°F (14°C) | 4.1 in | |
| June | 65°F (18°C) | 4.7 in | Wettest |
| July | 70°F (21°C) | 4.5 in | Warmest |
| August | 68°F (20°C) | 4.1 in | |
| September | 61°F (16°C) | 3.9 in | |
| October | 50°F (10°C) | 3.2 in | |
| November | 40°F (4°C) | 3.7 in | |
| December | 29°F (-1°C) | 3.5 in |
Summerville has a seasonal temperature swing of 45°F / from 24°F in January to 70°F in July. Total annual precipitation is 44.4 inches, with June being the wettest month (4.7") and February the driest (2.7").