Kemp Mill, MD
Full City Profile · Maryland · Montgomery County County
4.6
/5.0
A+
Excellent
14,437
Population
5,752/sq mi density
$160,750
Median Income
$62,328 per capita
$567,300
Home Value
$540,988 Zillow
$2,105
Median Rent
27.2% income on rent
56°F
Avg Temperature
A+
Overall
4.6 / 5.0
Strong
A
Economy
4.2 / 5.0
$160,750 median income, 6.7% unemployment
A+
Affordability
4.7 / 5.0
$567,300 home value, $2,105/mo rent
A+
Education
5.0 / 5.0
62.5% bachelor's degree or higher
Kemp Mill enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 34°F in January while summers reach 77°F in July. Annual precipitation totals 44.0 inches. The area receives 15.8 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
34°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 55.8°F |
| 3% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 357 ft (109 m) |
| Area | 2.5 sq mi (6.5 km²) |
| Population Density | 5,752/sq mi |
| Coordinates | 39.0411°N, 77.0220°W |
| Timezone | America/New_York |
| County | Montgomery County County |
| Nearest Airport | Ronald Reagan Washington Ntl (DCA) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
| Good Days % | 76.1% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0449 ppm |
| PM2.5 (Fine Particles) | 6.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 91.7 / 100 |
| Social Vulnerability | 19.9 / 100 |
| Community Resilience | 63.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| 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 | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively 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) | 2.9 in | Coldest |
| February | 36°F (2°C) | 2.4 in | Driest |
| March | 44°F (7°C) | 3.7 in | |
| April | 55°F (13°C) | 3.3 in | |
| May | 64°F (18°C) | 4.3 in | |
| June | 73°F (23°C) | 4.2 in | |
| July | 77°F (25°C) | 4.5 in | Warmest, Wettest |
| August | 76°F (24°C) | 3.9 in | |
| September | 69°F (21°C) | 4.4 in | |
| October | 57°F (14°C) | 4.0 in | |
| November | 47°F (8°C) | 2.9 in | |
| December | 38°F (4°C) | 3.5 in |
Kemp Mill has a seasonal temperature swing of 43°F / from 34°F in January to 77°F in July. Total annual precipitation is 44.0 inches, with July being the wettest month (4.5") and February the driest (2.4").