Plymouth, MI
Full City Profile · Michigan · Wayne County County
3.8
/5.0
B+
Good
9,234
Population
4,178/sq mi density
$111,742
Median Income
$68,716 per capita
$418,200
Home Value
$481,893 Zillow
$1,118
Median Rent
22.8% income on rent
51°F
Avg Temperature
55
Violent Crime/100K
968 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$111,742 median income, 3.1% unemployment
A+
Affordability
4.6 / 5.0
$418,200 home value, $1,118/mo rent
F
Safety
1.0 / 5.0
55 violent crimes/100K
A+
Education
5.0 / 5.0
63.2% bachelor's degree or higher
Plymouth experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 27°F in January while summers reach 75°F in July. Annual precipitation totals 30.2 inches. The area receives 45.0 inches of snow annually. Air quality is rated Moderate with a median AQI of 55.
Temperature
27°F Jan (-3°C)
75°F Jul (24°C)
| Annual Average | 51.4°F |
| 5% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 723 ft (220 m) |
| Area | 2.2 sq mi (5.7 km²) |
| Population Density | 4,178/sq mi |
| Coordinates | 42.3712°N, 83.4676°W |
| Timezone | America/Detroit |
| County | Wayne County County |
| Nearest Airport | Detroit Metro Wayne County (DTW) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 55.0 |
| Rating | Moderate |
| Good Days % | 32.8% |
| Unhealthy Days | 8 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0422 ppm |
| NO₂ (Nitrogen Dioxide) | 17.6 ppb |
| SO₂ (Sulfur Dioxide) | 1.48 ppb |
| CO (Carbon Monoxide) | 0.33 ppm |
| PM2.5 (Fine Particles) | 11.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 99.0 / 100 |
| Social Vulnerability | 76.2 / 100 |
| Community Resilience | 58.7 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Very High |
| Hail | Relatively Low |
| Strong Wind | Very High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Ice Storm | Very High |
| Drought | No Rating |
| Cold Wave | Very High |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 1.5 m (5 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1952 | LAKE HURON, MI | Avalanche | 1.5 m | - | 119 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 1.7 in | Coldest |
| February | 29°F (-2°C) | 1.5 in | Driest |
| March | 38°F (4°C) | 2.1 in | |
| April | 50°F (10°C) | 3.1 in | |
| May | 61°F (16°C) | 3.3 in | Wettest |
| June | 71°F (22°C) | 3.0 in | |
| July | 75°F (24°C) | 3.0 in | Warmest |
| August | 73°F (23°C) | 3.1 in | |
| September | 66°F (19°C) | 3.0 in | |
| October | 54°F (12°C) | 2.5 in | |
| November | 42°F (6°C) | 2.2 in | |
| December | 32°F (0°C) | 1.7 in |
Plymouth has a seasonal temperature swing of 48°F / from 27°F in January to 75°F in July. Total annual precipitation is 30.2 inches, with May being the wettest month (3.3") and February the driest (1.5").