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Glassmanor, MD
Full City Profile · Maryland · Prince George's County County
2.9
/5.0
C+
Fair
17,687
Population
7,657/sq mi density
$69,778
Median Income
$34,989 per capita
$316,500
Home Value
$355,873 Zillow
$1,494
Median Rent
32.2% income on rent
57°F
Avg Temperature
293 sunny days/yr
237
Violent Crime/100K
2,210 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$69,778 median income, 3.6% unemployment
A
Affordability
4.1 / 5.0
$316,500 home value, $1,494/mo rent
F
Safety
1.0 / 5.0
237 violent crimes/100K
C+
Education
2.6 / 5.0
19.5% bachelor's degree or higher
Glassmanor enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 36°F in January while summers reach 78°F in July. The area gets 293 sunny days per year. Annual precipitation totals 46.8 inches. Air quality is rated Good with a median AQI of 41.
Temperature
36°F Jan (2°C)
78°F Jul (26°C)
| Annual Average | 57.1°F |
| 6% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 189 ft (58 m) |
| Area | 2.4 sq mi (6.1 km²) |
| Population Density | 7,657/sq mi |
| Coordinates | 38.8181°N, 76.9832°W |
| Timezone | America/New_York |
| County | Prince George's County County |
| Nearest Airport | Ronald Reagan Washington Ntl (DCA) 4 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0451 ppm |
| NO₂ (Nitrogen Dioxide) | 10.4 ppb |
| SO₂ (Sulfur Dioxide) | 0.08 ppb |
| CO (Carbon Monoxide) | 0.17 ppm |
| PM2.5 (Fine Particles) | 7.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.2 / 100 |
| Social Vulnerability | 49.4 / 100 |
| Community Resilience | 29.8 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 3.2 in | Coldest |
| February | 37°F (3°C) | 2.8 in | Driest |
| March | 45°F (7°C) | 3.7 in | |
| April | 55°F (13°C) | 3.2 in | |
| May | 64°F (18°C) | 4.1 in | Wettest |
| June | 72°F (22°C) | 3.6 in | |
| July | 78°F (26°C) | 4.0 in | Warmest |
| August | 75°F (24°C) | 3.9 in | |
| September | 69°F (20°C) | 3.8 in | |
| October | 57°F (14°C) | 3.4 in | |
| November | 47°F (9°C) | 3.4 in | |
| December | 39°F (4°C) | 3.2 in |
Glassmanor has a seasonal temperature swing of 43°F / from 36°F in January to 78°F in July. Total annual precipitation is 42.2 inches, with May being the wettest month (4.1") and February the driest (2.8").