Rosemont, MD
Full City Profile · Maryland · Jefferson County County
4.3
/5.0
A
Great
309
Population
552/sq mi density
$104,861
Median Income
$49,839 per capita
$406,900
Home Value
$442,120 Zillow
53°F
Avg Temperature
A
Overall
4.3 / 5.0
Strong
A+
Economy
5.0 / 5.0
$104,861 median income, 0.7% unemployment
A
Affordability
4.5 / 5.0
$406,900 home value, /mo rent
B
Education
3.5 / 5.0
31.0% bachelor's degree or higher
Rosemont experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 31°F in January while summers reach 74°F in July. Annual precipitation totals 43.5 inches. The area receives 31.4 inches of snow annually.
Temperature
31°F Jan (-0°C)
74°F Jul (23°C)
| Annual Average | 52.9°F |
| 2% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 487 ft (148 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 552/sq mi |
| Coordinates | 39.3337°N, 77.6228°W |
| Timezone | America/New_York |
| County | Jefferson County County |
| Nearest Airport | Eastern Wv Regional/Shepherd Field (MRB) 20 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 47.8 / 100 |
| Social Vulnerability | 15.8 / 100 |
| Community Resilience | 52.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 3.1 in | Coldest |
| February | 34°F (1°C) | 2.4 in | Driest |
| March | 41°F (5°C) | 3.7 in | |
| April | 52°F (11°C) | 3.6 in | |
| May | 61°F (16°C) | 4.6 in | Wettest |
| June | 70°F (21°C) | 4.2 in | |
| July | 74°F (23°C) | 4.3 in | Warmest |
| August | 73°F (23°C) | 3.3 in | |
| September | 66°F (19°C) | 4.4 in | |
| October | 54°F (12°C) | 3.4 in | |
| November | 44°F (7°C) | 3.1 in | |
| December | 35°F (2°C) | 3.5 in |
Rosemont has a seasonal temperature swing of 43°F / from 31°F in January to 74°F in July. Total annual precipitation is 43.5 inches, with May being the wettest month (4.6") and February the driest (2.4").