All Countries
Lorton, VA
Full City Profile · Virginia · Fairfax County County
4.7
/5.0
A+
Excellent
21,961
Population
4,120/sq mi density
$136,719
Median Income
$51,549 per capita
$583,900
Home Value
$650,502 Zillow
$2,537
Median Rent
30.0% income on rent
54°F
Avg Temperature
293 sunny days/yr
A+
Overall
4.7 / 5.0
Strong
A+
Economy
4.7 / 5.0
$136,719 median income, 3.4% unemployment
A
Affordability
4.3 / 5.0
$583,900 home value, $2,537/mo rent
A+
Education
5.0 / 5.0
58.2% bachelor's degree or higher
Lorton experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 33°F in January while summers reach 75°F in July. The area gets 293 sunny days per year. Annual precipitation totals 43.6 inches. The area receives 18.5 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
33°F Jan (0°C)
75°F Jul (24°C)
| Annual Average | 54.0°F |
| 0% below US avg | |
| January Average | 33°F (0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 101 ft (31 m) |
| Area | 5.4 sq mi (13.9 km²) |
| Population Density | 4,120/sq mi |
| Coordinates | 38.6987°N, 77.2166°W |
| Timezone | America/New_York |
| County | Fairfax County County |
| Nearest Airport | Ronald Reagan Washington Ntl (DCA) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0461 ppm |
| NO₂ (Nitrogen Dioxide) | 22.4 ppb |
| SO₂ (Sulfur Dioxide) | 0.23 ppb |
| CO (Carbon Monoxide) | 0.33 ppm |
| PM2.5 (Fine Particles) | 8.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 94.7 / 100 |
| Social Vulnerability | 11.4 / 100 |
| Community Resilience | 59.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 3.0 in | Coldest |
| February | 37°F (3°C) | 2.7 in | Driest |
| March | 45°F (7°C) | 3.4 in | |
| April | 55°F (13°C) | 3.1 in | |
| May | 64°F (18°C) | 3.9 in | Wettest |
| June | 73°F (23°C) | 3.5 in | |
| July | 75°F (24°C) | 3.6 in | |
| August | 76°F (24°C) | 3.8 in | Warmest |
| September | 69°F (21°C) | 3.6 in | |
| October | 57°F (14°C) | 3.2 in | |
| November | 48°F (9°C) | 3.3 in | |
| December | 39°F (4°C) | 3.2 in |
Lorton has a seasonal temperature swing of 43°F / from 33°F in January to 76°F in August. Total annual precipitation is 40.2 inches, with May being the wettest month (3.9") and February the driest (2.7").