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Deer Lake, PA
Full City Profile · Pennsylvania · Fayette County County
3.7
/5.0
B+
Good
730
Population
480/sq mi density
$107,917
Median Income
$45,501 per capita
$223,000
Home Value
$181,484 Zillow
47°F
Avg Temperature
290 sunny days/yr
98
Violent Crime/100K
98 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$107,917 median income, 2.8% unemployment
A+
Affordability
5.0 / 5.0
$223,000 home value, /mo rent
F
Safety
1.0 / 5.0
98 violent crimes/100K
B+
Education
4.0 / 5.0
37.2% bachelor's degree or higher
Deer Lake experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 25°F in January while summers reach 67°F in July. The area gets 290 sunny days per year. Annual precipitation totals 55.7 inches. The area receives 88.8 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
25°F Jan (-4°C)
67°F Jul (20°C)
| Annual Average | 46.9°F |
| 13% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 1,932 ft (589 m) |
| Area | 1.6 sq mi (4.2 km²) |
| Population Density | 480/sq mi |
| Coordinates | 39.8473°N, 79.5895°W |
| Timezone | America/New_York |
| County | Fayette County County |
| Nearest Airport | Arnold Palmer Regional (LBE) 31 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 | 25°F (-4°C) | 3.0 in | Coldest |
| February | 30°F (-1°C) | 2.8 in | Driest |
| March | 38°F (3°C) | 3.8 in | |
| April | 48°F (9°C) | 3.9 in | |
| May | 58°F (14°C) | 4.3 in | |
| June | 65°F (19°C) | 4.3 in | |
| July | 67°F (20°C) | 4.6 in | Wettest |
| August | 68°F (20°C) | 4.1 in | Warmest |
| September | 62°F (17°C) | 3.6 in | |
| October | 51°F (11°C) | 3.0 in | |
| November | 42°F (5°C) | 3.5 in | |
| December | 32°F (0°C) | 3.5 in |
Deer Lake has a seasonal temperature swing of 44°F / from 25°F in January to 68°F in August. Total annual precipitation is 44.4 inches, with July being the wettest month (4.6") and February the driest (2.8").