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Wilmington, MA
Full City Profile · Massachusetts · Middlesex County County
3.8
/5.0
B+
Good
23,195
Population
1,367/sq mi density
$161,473
Median Income
$60,558 per capita
$646,200
Home Value
$758,886 Zillow
$2,412
Median Rent
32.1% income on rent
51°F
Avg Temperature
259 sunny days/yr
134
Violent Crime/100K
644 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$161,473 median income, 3.7% unemployment
A
Affordability
4.4 / 5.0
$646,200 home value, $2,412/mo rent
F
Safety
1.0 / 5.0
134 violent crimes/100K
A+
Education
4.9 / 5.0
49.2% bachelor's degree or higher
Wilmington experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 28°F in January while summers reach 73°F in July. The area gets 259 sunny days per year. Annual precipitation totals 50.0 inches. The area receives 63.5 inches of snow annually. Air quality is rated Good with a median AQI of 37.
Temperature
28°F Jan (-2°C)
73°F Jul (23°C)
| Annual Average | 50.6°F |
| 6% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 83 ft (25 m) |
| Area | 17.0 sq mi (44.0 km²) |
| Population Density | 1,367/sq mi |
| Coordinates | 42.5646°N, 71.1645°W |
| Timezone | America/New_York |
| County | Middlesex County County |
| Nearest Airport | Beverly Regional (BVY) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0382 ppm |
| NO₂ (Nitrogen Dioxide) | 15.2 ppb |
| PM2.5 (Fine Particles) | 6.6 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.0 / 100 |
| Social Vulnerability | 15.8 / 100 |
| Community Resilience | 89.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 4.1 in | |
| February | 28°F (-2°C) | 3.4 in | Coldest |
| March | 36°F (2°C) | 3.9 in | |
| April | 46°F (8°C) | 3.8 in | |
| May | 57°F (14°C) | 3.5 in | |
| June | 66°F (19°C) | 3.4 in | |
| July | 73°F (23°C) | 3.2 in | Warmest, Driest |
| August | 70°F (21°C) | 3.4 in | |
| September | 62°F (17°C) | 3.7 in | |
| October | 51°F (11°C) | 3.9 in | |
| November | 42°F (6°C) | 4.1 in | Wettest |
| December | 31°F (-0°C) | 3.9 in |
Wilmington has a seasonal temperature swing of 46°F / from 28°F in February to 73°F in July. Total annual precipitation is 44.2 inches, with November being the wettest month (4.1") and July the driest (3.2").