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Smyrna, DE
Full City Profile · Delaware · Kent County County
3.1
/5.0
B
Good
13,031
Population
2,033/sq mi density
$70,473
Median Income
$32,846 per capita
$273,400
Home Value
$395,531 Zillow
$1,398
Median Rent
31.4% income on rent
57°F
Avg Temperature
293 sunny days/yr
272
Violent Crime/100K
2,090 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$70,473 median income, 2.5% unemployment
A
Affordability
4.5 / 5.0
$273,400 home value, $1,398/mo rent
F
Safety
1.0 / 5.0
272 violent crimes/100K
C+
Education
2.8 / 5.0
22.2% bachelor's degree or higher
Smyrna enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 36°F in January while summers reach 78°F in July. The area gets 293 sunny days per year. Annual precipitation totals 47.6 inches. The area receives 13.2 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
36°F Jan (2°C)
78°F Jul (26°C)
| Annual Average | 57.1°F |
| 6% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 6.4 sq mi (16.6 km²) |
| Population Density | 2,033/sq mi |
| Coordinates | 39.2953°N, 75.6087°W |
| Timezone | America/New_York |
| County | Kent County County |
| Nearest Airport | Philadelphia International (PHL) 44 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0459 ppm |
| PM2.5 (Fine Particles) | 8.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.5 / 100 |
| Social Vulnerability | 32.4 / 100 |
| Community Resilience | 68.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 66 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 3.6 in | |
| February | 35°F (2°C) | 2.9 in | Coldest, Driest |
| March | 44°F (6°C) | 4.1 in | |
| April | 53°F (12°C) | 3.5 in | |
| May | 63°F (17°C) | 4.2 in | |
| June | 72°F (22°C) | 3.7 in | |
| July | 78°F (26°C) | 4.3 in | Warmest, Wettest |
| August | 75°F (24°C) | 4.1 in | |
| September | 68°F (20°C) | 4.1 in | |
| October | 57°F (14°C) | 3.3 in | |
| November | 47°F (9°C) | 3.2 in | |
| December | 38°F (3°C) | 3.5 in |
Smyrna has a seasonal temperature swing of 43°F / from 35°F in February to 78°F in July. Total annual precipitation is 44.6 inches, with July being the wettest month (4.3") and February the driest (2.9").