Largo, MD
Full City Profile · Maryland · Prince George's County County
4.6
/5.0
A+
Excellent
11,753
Population
3,841/sq mi density
$106,875
Median Income
$55,622 per capita
$362,200
Home Value
$416,889 Zillow
$2,138
Median Rent
29.7% income on rent
56°F
Avg Temperature
A+
Overall
4.6 / 5.0
Strong
A
Economy
4.1 / 5.0
$106,875 median income, 7.7% unemployment
A+
Affordability
4.8 / 5.0
$362,200 home value, $2,138/mo rent
A+
Education
5.0 / 5.0
50.3% bachelor's degree or higher
Largo enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 34°F in January while summers reach 78°F in July. Annual precipitation totals 45.0 inches. The area receives 15.9 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
34°F Jan (1°C)
78°F Jul (25°C)
| Annual Average | 56.0°F |
| 4% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 78°F (25°C) |
Geography
| Elevation | 93 ft (28 m) |
| Area | 3.1 sq mi (7.9 km²) |
| Population Density | 3,841/sq mi |
| Coordinates | 38.8804°N, 76.8293°W |
| Timezone | America/New_York |
| County | Prince George's County County |
| Nearest Airport | Ronald Reagan Washington Ntl (DCA) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 76.5% |
| Unhealthy Days | 3 |
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 | 34°F (1°C) | 3.0 in | Coldest |
| February | 36°F (2°C) | 2.7 in | Driest |
| March | 44°F (7°C) | 3.9 in | |
| April | 55°F (13°C) | 3.4 in | |
| May | 64°F (18°C) | 4.1 in | |
| June | 73°F (23°C) | 4.2 in | |
| July | 78°F (25°C) | 4.2 in | Warmest |
| August | 76°F (24°C) | 4.1 in | |
| September | 69°F (21°C) | 4.5 in | Wettest |
| October | 57°F (14°C) | 4.1 in | |
| November | 47°F (8°C) | 3.3 in | |
| December | 38°F (4°C) | 3.6 in |
Largo has a seasonal temperature swing of 43°F / from 34°F in January to 78°F in July. Total annual precipitation is 45.0 inches, with September being the wettest month (4.5") and February the driest (2.7").