Darnestown, MD
Full City Profile · Maryland · Montgomery County County
4.7
/5.0
A+
Excellent
6,835
Population
417/sq mi density
$217,679
Median Income
$99,655 per capita
$908,400
Home Value
$1,014,157 Zillow
$3,501
Median Rent
14.3% income on rent
56°F
Avg Temperature
A+
Overall
4.7 / 5.0
Strong
A+
Economy
4.8 / 5.0
$217,679 median income, 3.5% unemployment
A
Affordability
4.3 / 5.0
$908,400 home value, $3,501/mo rent
A+
Education
5.0 / 5.0
71.5% bachelor's degree or higher
Darnestown 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 44.7 inches. The area receives 21.0 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 | 55.7°F |
| 3% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 337 ft (103 m) |
| Area | 17.7 sq mi (45.8 km²) |
| Population Density | 417/sq mi |
| Coordinates | 39.0887°N, 77.3118°W |
| Timezone | America/New_York |
| County | Montgomery County County |
| Nearest Airport | Washington Dulles International (IAD) 16 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) | 3.1 in | Coldest |
| February | 36°F (2°C) | 2.7 in | Driest |
| March | 44°F (7°C) | 3.8 in | |
| April | 55°F (13°C) | 4.0 in | |
| May | 64°F (18°C) | 4.3 in | Wettest |
| June | 73°F (23°C) | 4.2 in | |
| July | 77°F (25°C) | 4.2 in | Warmest |
| August | 76°F (24°C) | 3.8 in | |
| September | 69°F (20°C) | 4.1 in | |
| October | 57°F (14°C) | 3.9 in | |
| November | 46°F (8°C) | 3.4 in | |
| December | 38°F (3°C) | 3.3 in |
Darnestown has a seasonal temperature swing of 43°F / from 34°F in January to 77°F in July. Total annual precipitation is 44.7 inches, with May being the wettest month (4.3") and February the driest (2.7").