Flower Hill, MD
Full City Profile · Maryland · Montgomery County County
4.3
/5.0
A
Great
13,743
Population
6,576/sq mi density
$107,987
Median Income
$41,740 per capita
$426,900
Home Value
$521,654 Zillow
$2,032
Median Rent
32.1% income on rent
56°F
Avg Temperature
A
Overall
4.3 / 5.0
Strong
A
Economy
4.3 / 5.0
$107,987 median income, 6.7% unemployment
A
Affordability
4.5 / 5.0
$426,900 home value, $2,032/mo rent
A
Education
4.1 / 5.0
39.0% bachelor's degree or higher
Flower Hill enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 35°F in January while summers reach 78°F in July. Annual precipitation totals 41.3 inches. The area receives 31.4 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
35°F Jan (1°C)
78°F Jul (26°C)
| Annual Average | 56.2°F |
| 4% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 78°F (26°C) |
Geography
| Elevation | 440 ft (134 m) |
| Area | 0.9 sq mi (2.4 km²) |
| Population Density | 6,576/sq mi |
| Coordinates | 39.1684°N, 77.1844°W |
| Timezone | America/New_York |
| County | Montgomery County County |
| Nearest Airport | Ronald Reagan Washington Ntl (DCA) 23 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 | 35°F (1°C) | 3.1 in | Coldest |
| February | 37°F (3°C) | 2.6 in | Driest |
| March | 45°F (7°C) | 3.7 in | |
| April | 56°F (13°C) | 3.2 in | |
| May | 65°F (18°C) | 3.6 in | |
| June | 73°F (23°C) | 4.0 in | |
| July | 78°F (26°C) | 4.0 in | Warmest |
| August | 76°F (24°C) | 3.1 in | |
| September | 69°F (20°C) | 4.0 in | Wettest |
| October | 57°F (14°C) | 3.5 in | |
| November | 47°F (8°C) | 3.3 in | |
| December | 39°F (4°C) | 3.4 in |
Flower Hill has a seasonal temperature swing of 44°F / from 35°F in January to 78°F in July. Total annual precipitation is 41.3 inches, with September being the wettest month (4.0") and February the driest (2.6").