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Mammoth, PA
Full City Profile · Pennsylvania · Westmoreland County County
2.8
/5.0
C+
Fair
421
Population
208/sq mi density
$47,708
Median Income
$39,721 per capita
$164,900
Home Value
$180,329 Zillow
51°F
Avg Temperature
275 sunny days/yr
193
Violent Crime/100K
1,156 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$47,708 median income, 0.0% unemployment
A+
Affordability
4.7 / 5.0
$164,900 home value, /mo rent
F
Safety
1.0 / 5.0
193 violent crimes/100K
D
Education
2.0 / 5.0
12.1% bachelor's degree or higher
Mammoth experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 29°F in January while summers reach 71°F in July. The area gets 275 sunny days per year. Annual precipitation totals 43.9 inches. The area receives 29.8 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
29°F Jan (-2°C)
71°F Jul (22°C)
| Annual Average | 50.5°F |
| 6% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,127 ft (344 m) |
| Area | 2.0 sq mi (5.2 km²) |
| Population Density | 208/sq mi |
| Coordinates | 40.1987°N, 79.4629°W |
| Timezone | America/New_York |
| County | Westmoreland County County |
| Nearest Airport | Arnold Palmer Regional (LBE) 6 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 | 29°F (-2°C) | 2.8 in | Coldest |
| February | 29°F (-1°C) | 2.7 in | Driest |
| March | 38°F (4°C) | 3.6 in | |
| April | 48°F (9°C) | 3.7 in | |
| May | 59°F (15°C) | 4.1 in | |
| June | 67°F (19°C) | 4.2 in | |
| July | 71°F (22°C) | 4.4 in | Warmest, Wettest |
| August | 70°F (21°C) | 3.9 in | |
| September | 63°F (17°C) | 3.7 in | |
| October | 52°F (11°C) | 3.0 in | |
| November | 42°F (6°C) | 3.4 in | |
| December | 32°F (0°C) | 3.2 in |
Mammoth has a seasonal temperature swing of 42°F / from 29°F in January to 71°F in July. Total annual precipitation is 42.5 inches, with July being the wettest month (4.4") and February the driest (2.7").