Occoquan, VA
Full City Profile · Virginia · Fairfax County County
4.2
/5.0
A
Great
1,089
Population
6,406/sq mi density
$142,083
Median Income
$85,348 per capita
$482,900
Home Value
$499,397 Zillow
$1,894
Median Rent
26.7% income on rent
58°F
Avg Temperature
A
Overall
4.2 / 5.0
Strong
A+
Economy
4.6 / 5.0
$142,083 median income, 4.8% unemployment
A+
Affordability
4.8 / 5.0
$482,900 home value, $1,894/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A+
Education
5.0 / 5.0
56.0% bachelor's degree or higher
Occoquan 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. 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 42.
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) |
Geography
| Elevation | 116 ft (35 m) |
| Area | 0.2 sq mi (0.4 km²) |
| Population Density | 6,406/sq mi |
| Coordinates | 38.6817°N, 77.2619°W |
| Timezone | America/New_York |
| County | Fairfax County County |
| Nearest Airport | Manassas Regional/Harry P Davis Field (MNZ) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
| Good Days % | 71.9% |
| Unhealthy Days | 3 |
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 | 37°F (3°C) | 2.7 in | Coldest |
| February | 39°F (4°C) | 2.4 in | Driest |
| March | 47°F (8°C) | 3.6 in | |
| April | 58°F (14°C) | 3.2 in | |
| May | 66°F (19°C) | 3.6 in | |
| June | 75°F (24°C) | 3.5 in | |
| July | 79°F (26°C) | 4.6 in | Warmest, Wettest |
| August | 78°F (25°C) | 4.2 in | |
| September | 71°F (22°C) | 3.4 in | |
| October | 59°F (15°C) | 3.3 in | |
| November | 49°F (9°C) | 3.1 in | |
| December | 40°F (5°C) | 3.3 in |
Occoquan has a seasonal temperature swing of 43°F / from 37°F in January to 79°F in July. Total annual precipitation is 41.0 inches, with July being the wettest month (4.6") and February the driest (2.4").