Jefferson, MD
Full City Profile · Maryland · Frederick County County
4.6
/5.0
A+
Excellent
2,891
Population
1,036/sq mi density
$145,664
Median Income
$61,788 per capita
$479,400
Home Value
$566,220 Zillow
$1,347
Median Rent
18.1% income on rent
57°F
Avg Temperature
A+
Overall
4.6 / 5.0
Strong
A+
Economy
4.9 / 5.0
$145,664 median income, 2.4% unemployment
A+
Affordability
4.8 / 5.0
$479,400 home value, $1,347/mo rent
A
Education
4.2 / 5.0
40.0% bachelor's degree or higher
Jefferson enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 35°F in January while summers reach 79°F in July. Annual precipitation totals 43.5 inches. The area receives 31.4 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
35°F Jan (2°C)
79°F Jul (26°C)
| Annual Average | 57.0°F |
| 6% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 538 ft (164 m) |
| Area | 2.1 sq mi (5.4 km²) |
| Population Density | 1,036/sq mi |
| Coordinates | 39.3653°N, 77.5407°W |
| Timezone | America/New_York |
| County | Frederick County County |
| Nearest Airport | Eastern Wv Regional/Shepherd Field (MRB) 24 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
| Good Days % | 79.0% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0487 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 74.2 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 77.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 2.6 in | Coldest, Driest |
| February | 38°F (3°C) | 3.0 in | |
| March | 46°F (8°C) | 3.7 in | |
| April | 57°F (14°C) | 3.6 in | |
| May | 66°F (19°C) | 4.0 in | |
| June | 74°F (23°C) | 4.3 in | |
| July | 79°F (26°C) | 3.9 in | Warmest |
| August | 77°F (25°C) | 2.9 in | |
| September | 70°F (21°C) | 5.8 in | Wettest |
| October | 58°F (14°C) | 3.3 in | |
| November | 47°F (8°C) | 2.7 in | |
| December | 39°F (4°C) | 4.0 in |
Jefferson has a seasonal temperature swing of 44°F / from 35°F in January to 79°F in July. Total annual precipitation is 43.5 inches, with September being the wettest month (5.8") and January the driest (2.6").