Rock Hall, MD
Full City Profile · Maryland · Kent County County
3.8
/5.0
B+
Good
1,286
Population
989/sq mi density
$68,906
Median Income
$45,105 per capita
$245,400
Home Value
$363,733 Zillow
$808
Median Rent
28.9% income on rent
58°F
Avg Temperature
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$68,906 median income, 1.3% unemployment
A+
Affordability
4.7 / 5.0
$245,400 home value, $808/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
B+
Education
3.5 / 5.0
31.4% bachelor's degree or higher
Rock Hall 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 44.0 inches. The area receives 16.7 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
37°F Jan (3°C)
79°F Jul (26°C)
| Annual Average | 57.7°F |
| 7% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 8 ft (2 m) |
| Area | 1.6 sq mi (4.0 km²) |
| Population Density | 989/sq mi |
| Coordinates | 39.1379°N, 76.2395°W |
| Timezone | America/New_York |
| County | Kent County County |
| Nearest Airport | Baltimore/Washington International Thurgood Marshall (BWI) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
| Good Days % | 79.8% |
| Unhealthy Days | 2 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0474 ppm |
| PM2.5 (Fine Particles) | 6.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 27.5 / 100 |
| Social Vulnerability | 50.3 / 100 |
| Community Resilience | 88.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Low |
| 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 High |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 116 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 2.8 in | Coldest |
| February | 38°F (4°C) | 2.4 in | Driest |
| March | 46°F (8°C) | 3.8 in | |
| April | 55°F (13°C) | 3.4 in | |
| May | 65°F (18°C) | 3.2 in | |
| June | 75°F (24°C) | 4.0 in | |
| July | 79°F (26°C) | 4.9 in | Warmest |
| August | 77°F (25°C) | 4.3 in | |
| September | 71°F (22°C) | 5.1 in | Wettest |
| October | 60°F (15°C) | 4.0 in | |
| November | 49°F (10°C) | 3.0 in | |
| December | 41°F (5°C) | 3.0 in |
Rock Hall has a seasonal temperature swing of 43°F / from 37°F in January to 79°F in July. Total annual precipitation is 44.0 inches, with September being the wettest month (5.1") and February the driest (2.4").