All Countries
Allison, PA
Full City Profile · Pennsylvania · Fayette County County
2.5
/5.0
C+
Fair
468
Population
699/sq mi density
$34,300
Home Value
$45,158 Zillow
52°F
Avg Temperature
293 sunny days/yr
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C
Education
2.4 / 5.0
18.1% bachelor's degree or higher
Allison experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 73°F in July. The area gets 293 sunny days per year. Annual precipitation totals 44.4 inches. The area receives 28.1 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
30°F Jan (-1°C)
73°F Jul (23°C)
| Annual Average | 52.1°F |
| 4% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 921 ft (281 m) |
| Area | 0.7 sq mi (1.7 km²) |
| Population Density | 699/sq mi |
| Coordinates | 39.9853°N, 79.8731°W |
| Timezone | America/New_York |
| County | Fayette County County |
| Nearest Airport | Arnold Palmer Regional (LBE) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0474 ppm |
| PM2.5 (Fine Particles) | 6.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 82.2 / 100 |
| Social Vulnerability | 73.5 / 100 |
| Community Resilience | 67.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| 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 | 30°F (-1°C) | 2.6 in | Coldest |
| February | 31°F (-0°C) | 2.4 in | Driest |
| March | 40°F (5°C) | 3.6 in | |
| April | 50°F (10°C) | 3.5 in | |
| May | 60°F (15°C) | 4.0 in | |
| June | 68°F (20°C) | 3.9 in | |
| July | 73°F (23°C) | 4.1 in | Warmest, Wettest |
| August | 71°F (22°C) | 3.8 in | |
| September | 64°F (18°C) | 3.2 in | |
| October | 53°F (12°C) | 2.6 in | |
| November | 43°F (6°C) | 3.1 in | |
| December | 34°F (1°C) | 3.0 in |
Allison has a seasonal temperature swing of 43°F / from 30°F in January to 73°F in July. Total annual precipitation is 39.7 inches, with July being the wettest month (4.1") and February the driest (2.4").