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North Irwin, PA
Full City Profile · Pennsylvania · Westmoreland County County
3.2
/5.0
B
Good
745
Population
3,725/sq mi density
$52,798
Median Income
$38,129 per capita
$151,800
Home Value
$166,017 Zillow
$785
Median Rent
24.0% income on rent
53°F
Avg Temperature
275 sunny days/yr
179
Violent Crime/100K
1,127 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$52,798 median income, 1.1% unemployment
A+
Affordability
5.0 / 5.0
$151,800 home value, $785/mo rent
F
Safety
1.0 / 5.0
179 violent crimes/100K
C+
Education
2.9 / 5.0
23.6% bachelor's degree or higher
North Irwin experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 43.6 inches. The area receives 25.0 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
30°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 52.5°F |
| 3% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 990 ft (302 m) |
| Area | 0.1 sq mi (0.2 km²) |
| Population Density | 3,725/sq mi |
| Coordinates | 40.3389°N, 79.7114°W |
| Timezone | America/New_York |
| County | Westmoreland County County |
| Nearest Airport | Arnold Palmer Regional (LBE) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0423 ppm |
| PM2.5 (Fine Particles) | 8.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.9 / 100 |
| Social Vulnerability | 30.2 / 100 |
| Community Resilience | 92.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.5 in | Coldest |
| February | 31°F (-1°C) | 2.4 in | Driest |
| March | 39°F (4°C) | 3.4 in | |
| April | 50°F (10°C) | 3.4 in | |
| May | 60°F (16°C) | 4.0 in | |
| June | 68°F (20°C) | 4.0 in | |
| July | 75°F (24°C) | 4.1 in | Warmest, Wettest |
| August | 71°F (22°C) | 3.7 in | |
| September | 64°F (18°C) | 3.4 in | |
| October | 53°F (12°C) | 2.7 in | |
| November | 43°F (6°C) | 3.2 in | |
| December | 33°F (1°C) | 2.9 in |
North Irwin has a seasonal temperature swing of 45°F / from 30°F in January to 75°F in July. Total annual precipitation is 39.6 inches, with July being the wettest month (4.1") and February the driest (2.4").