Chester, MD
Full City Profile · Maryland · Anne Arundel County County
4.2
/5.0
A
Great
4,539
Population
866/sq mi density
$90,938
Median Income
$59,887 per capita
$441,200
Home Value
$529,551 Zillow
$1,849
Median Rent
40.3% income on rent
57°F
Avg Temperature
A
Overall
4.2 / 5.0
Strong
A+
Economy
4.7 / 5.0
$90,938 median income, 2.3% unemployment
B+
Affordability
3.9 / 5.0
$441,200 home value, $1,849/mo rent
A
Education
4.0 / 5.0
37.6% bachelor's degree or higher
Chester enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 35°F in January while summers reach 80°F in July. Annual precipitation totals 46.9 inches. The area receives 14.1 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
35°F Jan (2°C)
80°F Jul (26°C)
| Annual Average | 57.1°F |
| 6% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 80°F (26°C) |
Geography
| Elevation | 12 ft (4 m) |
| Area | 6.8 sq mi (17.6 km²) |
| Population Density | 866/sq mi |
| Coordinates | 38.9601°N, 76.2876°W |
| Timezone | America/New_York |
| County | Anne Arundel County County |
| Nearest Airport | Baltimore/Washington International Thurgood Marshall (BWI) 25 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
| Good Days % | 80.5% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0446 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 81.9 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 89.0 / 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 Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Coastal Flood | Relatively Moderate |
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 | - | - | 132 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 3.0 in | Coldest, Driest |
| February | 37°F (3°C) | 3.1 in | |
| March | 44°F (7°C) | 4.0 in | |
| April | 55°F (13°C) | 3.4 in | |
| May | 65°F (18°C) | 4.2 in | |
| June | 75°F (24°C) | 4.1 in | |
| July | 80°F (26°C) | 4.7 in | Warmest, Wettest |
| August | 77°F (25°C) | 4.4 in | |
| September | 71°F (21°C) | 4.5 in | |
| October | 59°F (15°C) | 4.5 in | |
| November | 48°F (9°C) | 3.3 in | |
| December | 40°F (4°C) | 3.8 in |
Chester has a seasonal temperature swing of 44°F / from 35°F in January to 80°F in July. Total annual precipitation is 46.9 inches, with July being the wettest month (4.7") and January the driest (3.0").