South New Castle, PA
Full City Profile · Pennsylvania · Lawrence County County
3.8
/5.0
B+
Good
849
Population
2,653/sq mi density
$62,321
Median Income
$29,752 per capita
$86,000
Home Value
$141,502 Zillow
$946
Median Rent
20.8% income on rent
51°F
Avg Temperature
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$62,321 median income, 3.9% unemployment
A+
Affordability
5.0 / 5.0
$86,000 home value, $946/mo rent
C
Education
2.3 / 5.0
16.8% bachelor's degree or higher
South New Castle experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 28°F in January while summers reach 73°F in July. Annual precipitation totals 41.8 inches. The area receives 27.5 inches of snow annually.
Temperature
28°F Jan (-2°C)
73°F Jul (23°C)
| Annual Average | 51.1°F |
| 5% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 1,015 ft (309 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 2,653/sq mi |
| Coordinates | 40.9747°N, 80.3456°W |
| Timezone | America/New_York |
| County | Lawrence County County |
| Nearest Airport | Pittsburgh/Butler Regional (BTP) 25 miles away |
Precipitation & Snow
Air Quality
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0414 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 66.1 / 100 |
| Social Vulnerability | 44.8 / 100 |
| Community Resilience | 72.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 2.9 in | Coldest |
| February | 30°F (-1°C) | 2.2 in | Driest |
| March | 38°F (3°C) | 3.1 in | |
| April | 49°F (10°C) | 3.7 in | |
| May | 60°F (16°C) | 3.9 in | |
| June | 69°F (20°C) | 4.5 in | |
| July | 73°F (23°C) | 4.6 in | Warmest, Wettest |
| August | 72°F (22°C) | 3.9 in | |
| September | 65°F (19°C) | 3.9 in | |
| October | 54°F (12°C) | 3.2 in | |
| November | 42°F (6°C) | 3.0 in | |
| December | 33°F (1°C) | 3.1 in |
South New Castle has a seasonal temperature swing of 45°F / from 28°F in January to 73°F in July. Total annual precipitation is 41.8 inches, with July being the wettest month (4.6") and February the driest (2.2").