Algonac, MI
Full City Profile · Michigan · Macomb County County
3.3
/5.0
B
Good
4,152
Population
2,924/sq mi density
$49,738
Median Income
$28,659 per capita
$177,200
Home Value
$264,772 Zillow
$923
Median Rent
38.1% income on rent
49°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$49,738 median income, 6.6% unemployment
A+
Affordability
4.7 / 5.0
$177,200 home value, $923/mo rent
C
Education
2.3 / 5.0
16.0% bachelor's degree or higher
Algonac experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 25°F in January while summers reach 73°F in July. Annual precipitation totals 34.6 inches. The area receives 32.2 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
25°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 48.7°F |
| 10% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 582 ft (177 m) |
| Area | 1.4 sq mi (3.7 km²) |
| Population Density | 2,924/sq mi |
| Coordinates | 42.6209°N, 82.5339°W |
| Timezone | America/Detroit |
| County | Macomb County County |
| Nearest Airport | St Clair County International (PHN) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
| Good Days % | 70.8% |
| Unhealthy Days | 3 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0436 ppm |
| PM2.5 (Fine Particles) | 9.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.7 / 100 |
| Social Vulnerability | 27.1 / 100 |
| Community Resilience | 80.7 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively 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
2 tsunamis recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | - | 131 km |
| 1952 | LAKE HURON, MI | Avalanche | 1.5 m | - | 54 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.4 in | Coldest |
| February | 26°F (-4°C) | 2.1 in | Driest |
| March | 34°F (1°C) | 2.2 in | |
| April | 46°F (8°C) | 3.2 in | |
| May | 58°F (14°C) | 3.6 in | Wettest |
| June | 67°F (19°C) | 3.4 in | |
| July | 73°F (23°C) | 3.4 in | Warmest |
| August | 71°F (22°C) | 3.2 in | |
| September | 64°F (18°C) | 3.3 in | |
| October | 52°F (11°C) | 2.8 in | |
| November | 40°F (4°C) | 2.7 in | |
| December | 31°F (-1°C) | 2.3 in |
Algonac has a seasonal temperature swing of 48°F / from 25°F in January to 73°F in July. Total annual precipitation is 34.6 inches, with May being the wettest month (3.6") and February the driest (2.1").