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South New Castle, PA
Full City Profile · Pennsylvania · Lawrence County County
3.1
/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
50°F
Avg Temperature
275 sunny days/yr
508
Violent Crime/100K
3,836 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$62,321 median income, 2.7% unemployment
A+
Affordability
5.0 / 5.0
$86,000 home value, $946/mo rent
F
Safety
1.0 / 5.0
508 violent crimes/100K (34% above avg)
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 50°F (10°C). Winters average 28°F in January while summers reach 72°F in July. The area gets 275 sunny days per year. Annual precipitation totals 40.3 inches. Air quality is rated Good with a median AQI of 40.
Temperature
28°F Jan (-2°C)
72°F Jul (22°C)
| Annual Average | 50.4°F |
| 7% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
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
| AQI Median | 40.0 |
| Rating | Good |
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) | 2.4 in | Coldest |
| February | 28°F (-2°C) | 2.1 in | Driest |
| March | 38°F (3°C) | 3.0 in | |
| April | 48°F (9°C) | 3.2 in | |
| May | 59°F (15°C) | 3.7 in | |
| June | 67°F (19°C) | 4.2 in | Wettest |
| July | 72°F (22°C) | 4.2 in | Warmest |
| August | 70°F (21°C) | 3.5 in | |
| September | 63°F (17°C) | 3.5 in | |
| October | 51°F (11°C) | 2.7 in | |
| November | 41°F (5°C) | 3.2 in | |
| December | 31°F (-0°C) | 2.9 in |
South New Castle has a seasonal temperature swing of 45°F / from 28°F in January to 72°F in July. Total annual precipitation is 38.7 inches, with June being the wettest month (4.2") and February the driest (2.1").