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Deemston, PA
Full City Profile · Pennsylvania · Washington County County
3.5
/5.0
B+
Good
617
Population
64/sq mi density
$81,667
Median Income
$47,545 per capita
$223,200
Home Value
$126,275 Zillow
52°F
Avg Temperature
275 sunny days/yr
459
Violent Crime/100K
1,405 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$81,667 median income, 1.8% unemployment
A+
Affordability
5.0 / 5.0
$223,200 home value, /mo rent
F
Safety
1.0 / 5.0
459 violent crimes/100K (21% above avg)
B
Education
3.3 / 5.0
28.6% bachelor's degree or higher
Deemston experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 28°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 41.3 inches. The area receives 31.9 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
28°F Jan (-2°C)
73°F Jul (23°C)
| Annual Average | 51.5°F |
| 5% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,125 ft (343 m) |
| Area | 9.6 sq mi (24.8 km²) |
| Population Density | 64/sq mi |
| Coordinates | 40.0273°N, 80.0334°W |
| Timezone | America/New_York |
| County | Washington County County |
| Nearest Airport | Pittsburgh International (PIT) 34 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0454 ppm |
| NO₂ (Nitrogen Dioxide) | 11.5 ppb |
| SO₂ (Sulfur Dioxide) | 0.96 ppb |
| PM2.5 (Fine Particles) | 8.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 83.1 / 100 |
| Social Vulnerability | 22.7 / 100 |
| Community Resilience | 87.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively 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 | 28°F (-2°C) | 2.6 in | Coldest |
| February | 30°F (-1°C) | 2.4 in | Driest |
| March | 40°F (4°C) | 3.5 in | |
| April | 50°F (10°C) | 3.4 in | |
| May | 59°F (15°C) | 4.0 in | Wettest |
| June | 68°F (20°C) | 3.9 in | |
| July | 73°F (23°C) | 4.0 in | Warmest |
| August | 70°F (21°C) | 3.7 in | |
| September | 64°F (18°C) | 3.2 in | |
| October | 52°F (11°C) | 2.6 in | |
| November | 43°F (6°C) | 3.1 in | |
| December | 33°F (0°C) | 2.8 in |
Deemston has a seasonal temperature swing of 44°F / from 28°F in January to 73°F in July. Total annual precipitation is 38.9 inches, with May being the wettest month (4.0") and February the driest (2.4").