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St. George Island, MD
Full City Profile · Maryland · St. Mary's County County
2.7
/5.0
C+
Fair
38
Population
48/sq mi density
58°F
Avg Temperature
293 sunny days/yr
995
Violent Crime/100K
6,125 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
995 violent crimes/100K (162% above avg)
A
Education
4.4 / 5.0
42.1% bachelor's degree or higher
St. George Island enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 38°F in January while summers reach 79°F in July. The area gets 293 sunny days per year. Annual precipitation totals 46.3 inches. Air quality is rated Good with a median AQI of 41.
Temperature
38°F Jan (3°C)
79°F Jul (26°C)
| Annual Average | 58.3°F |
| 8% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 3 ft (1 m) |
| Area | 0.9 sq mi (2.4 km²) |
| Population Density | 48/sq mi |
| Coordinates | 38.1155°N, 76.4770°W |
| Timezone | America/New_York |
| County | St. Mary's County County |
| Nearest Airport | St Mary's County Regional (LTW) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 42.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 93.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very 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 | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 3.5 in | Coldest |
| February | 39°F (4°C) | 3.1 in | |
| March | 46°F (8°C) | 4.1 in | Wettest |
| April | 55°F (13°C) | 3.0 in | Driest |
| May | 64°F (18°C) | 4.0 in | |
| June | 73°F (23°C) | 3.4 in | |
| July | 79°F (26°C) | 3.9 in | Warmest |
| August | 76°F (24°C) | 4.0 in | |
| September | 70°F (21°C) | 3.7 in | |
| October | 59°F (15°C) | 3.2 in | |
| November | 50°F (10°C) | 3.1 in | |
| December | 41°F (5°C) | 3.1 in |
St. George Island has a seasonal temperature swing of 41°F / from 38°F in January to 79°F in July. Total annual precipitation is 42.2 inches, with March being the wettest month (4.1") and April the driest (3.0").