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Potomac Mills, VA
Full City Profile · Virginia · Prince William County County
4.0
/5.0
A
Great
6,122
Population
1,440/sq mi density
$102,464
Median Income
$42,079 per capita
$553,200
Home Value
$499,397 Zillow
$2,025
Median Rent
51.0% income on rent
58°F
Avg Temperature
293 sunny days/yr
A
Overall
4.0 / 5.0
Strong
A
Economy
4.4 / 5.0
$102,464 median income, 2.5% unemployment
B+
Affordability
3.6 / 5.0
$553,200 home value, $2,025/mo rent
A
Education
4.0 / 5.0
37.5% bachelor's degree or higher
Potomac Mills enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 37°F in January while summers reach 79°F in July. The area gets 293 sunny days per year. Annual precipitation totals 41.0 inches. The area receives 12.4 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
37°F Jan (3°C)
79°F Jul (26°C)
| Annual Average | 58.1°F |
| 8% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 256 ft (78 m) |
| Area | 4.0 sq mi (10.5 km²) |
| Population Density | 1,440/sq mi |
| Coordinates | 38.6565°N, 77.2988°W |
| Timezone | America/New_York |
| County | Prince William County County |
| Nearest Airport | Manassas Regional/Harry P Davis Field (MNZ) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0458 ppm |
| NO₂ (Nitrogen Dioxide) | 5.8 ppb |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 83.2 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 40.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 3.0 in | Coldest |
| February | 38°F (3°C) | 2.7 in | Driest |
| March | 46°F (8°C) | 3.4 in | |
| April | 55°F (13°C) | 3.1 in | |
| May | 65°F (18°C) | 3.7 in | |
| June | 73°F (23°C) | 3.4 in | |
| July | 79°F (26°C) | 3.6 in | Warmest |
| August | 76°F (24°C) | 3.9 in | Wettest |
| September | 69°F (21°C) | 3.5 in | |
| October | 58°F (14°C) | 3.2 in | |
| November | 48°F (9°C) | 3.2 in | |
| December | 39°F (4°C) | 3.2 in |
Potomac Mills has a seasonal temperature swing of 43°F / from 37°F in January to 79°F in July. Total annual precipitation is 39.9 inches, with August being the wettest month (3.9") and February the driest (2.7").