Ellicott City, MD
Full City Profile · Maryland · Howard County County
4.8
/5.0
A+
Excellent
73,737
Population
2,457/sq mi density
$157,891
Median Income
$67,397 per capita
$644,300
Home Value
$735,463 Zillow
$2,001
Median Rent
32.0% income on rent
56°F
Avg Temperature
A+
Overall
4.8 / 5.0
Strong
A+
Economy
4.9 / 5.0
$157,891 median income, 2.9% unemployment
A
Affordability
4.4 / 5.0
$644,300 home value, $2,001/mo rent
A+
Education
5.0 / 5.0
69.6% bachelor's degree or higher
Ellicott City enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 34°F in January while summers reach 78°F in July. Annual precipitation totals 45.0 inches. The area receives 19.3 inches of snow annually. Air quality is rated Good with a median AQI of 32.
Temperature
34°F Jan (1°C)
78°F Jul (26°C)
| Annual Average | 56.2°F |
| 4% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 78°F (26°C) |
Geography
| Elevation | 384 ft (117 m) |
| Area | 30.0 sq mi (77.7 km²) |
| Population Density | 2,457/sq mi |
| Coordinates | 39.2767°N, 76.8340°W |
| Timezone | America/New_York |
| County | Howard County County |
| Nearest Airport | Baltimore/Washington International Thurgood Marshall (BWI) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
| Good Days % | 83.9% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| NO₂ (Nitrogen Dioxide) | 20.7 ppb |
| CO (Carbon Monoxide) | 0.26 ppm |
| PM2.5 (Fine Particles) | 8.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 72.4 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 92.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.1 in | Coldest |
| February | 37°F (3°C) | 2.9 in | Driest |
| March | 44°F (7°C) | 4.0 in | |
| April | 55°F (13°C) | 3.4 in | |
| May | 64°F (18°C) | 3.9 in | |
| June | 74°F (23°C) | 4.0 in | |
| July | 78°F (26°C) | 4.5 in | Warmest, Wettest |
| August | 76°F (25°C) | 4.1 in | |
| September | 69°F (21°C) | 4.4 in | |
| October | 57°F (14°C) | 3.9 in | |
| November | 47°F (8°C) | 3.1 in | |
| December | 39°F (4°C) | 3.7 in |
Ellicott City has a seasonal temperature swing of 44°F / from 34°F in January to 78°F in July. Total annual precipitation is 45.0 inches, with July being the wettest month (4.5") and February the driest (2.9").