Aquasco, MD
Full City Profile · Maryland · Calvert County County
2.8
/5.0
C+
Fair
672
Population
34/sq mi density
$61,875
Median Income
$32,936 per capita
$491,700
Home Value
$601,979 Zillow
55°F
Avg Temperature
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$61,875 median income, 2.5% unemployment
C
Affordability
2.2 / 5.0
$491,700 home value, /mo rent
C+
Education
2.6 / 5.0
20.0% bachelor's degree or higher
Aquasco experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 35°F in January while summers reach 76°F in July. Annual precipitation totals 48.1 inches. The area receives 15.1 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
35°F Jan (1°C)
76°F Jul (24°C)
| Annual Average | 55.1°F |
| 2% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 76°F (24°C) |
Geography
| Elevation | 78 ft (24 m) |
| Area | 22.1 sq mi (57.3 km²) |
| Population Density | 34/sq mi |
| Coordinates | 38.5915°N, 76.6971°W |
| Timezone | America/New_York |
| County | Calvert County County |
| Nearest Airport | St Mary's County Regional (LTW) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
| Good Days % | 85.7% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0460 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 28.9 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 93.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 3.3 in | Coldest |
| February | 37°F (3°C) | 3.0 in | Driest |
| March | 44°F (7°C) | 4.2 in | |
| April | 55°F (13°C) | 3.3 in | |
| May | 63°F (17°C) | 4.3 in | |
| June | 71°F (22°C) | 4.2 in | |
| July | 76°F (24°C) | 4.6 in | Warmest |
| August | 74°F (23°C) | 4.8 in | |
| September | 67°F (20°C) | 4.9 in | Wettest |
| October | 56°F (13°C) | 4.2 in | |
| November | 46°F (8°C) | 3.3 in | |
| December | 38°F (4°C) | 4.0 in |
Aquasco has a seasonal temperature swing of 41°F / from 35°F in January to 76°F in July. Total annual precipitation is 48.1 inches, with September being the wettest month (4.9") and February the driest (3.0").