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Port Sanilac, MI
Full City Profile · Michigan · Sanilac County County
3.0
/5.0
B
Good
787
Population
926/sq mi density
$41,779
Median Income
$32,110 per capita
$154,500
Home Value
$256,025 Zillow
$831
Median Rent
30.3% income on rent
47°F
Avg Temperature
260 sunny days/yr
638
Violent Crime/100K
2,850 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$41,779 median income, 1.4% unemployment
A+
Affordability
4.6 / 5.0
$154,500 home value, $831/mo rent
F
Safety
1.0 / 5.0
638 violent crimes/100K (68% above avg)
C+
Education
2.9 / 5.0
23.9% bachelor's degree or higher
Port Sanilac experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 23°F in January while summers reach 69°F in July. The area gets 260 sunny days per year. Annual precipitation totals 35.4 inches. Air quality is rated Good with a median AQI of 38.
Temperature
23°F Jan (-5°C)
69°F Jul (21°C)
| Annual Average | 46.5°F |
| 14% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 622 ft (190 m) |
| Area | 0.8 sq mi (2.1 km²) |
| Population Density | 926/sq mi |
| Coordinates | 43.4277°N, 82.5447°W |
| Timezone | America/Detroit |
| County | Sanilac County County |
| Nearest Airport | St Clair County International (PHN) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 70.3 / 100 |
| Social Vulnerability | 72.0 / 100 |
| Community Resilience | 68.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Very 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 | - | 38 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 2.0 in | Coldest |
| February | 23°F (-5°C) | 1.7 in | Driest |
| March | 32°F (-0°C) | 2.2 in | |
| April | 43°F (6°C) | 2.6 in | |
| May | 54°F (12°C) | 2.7 in | |
| June | 64°F (18°C) | 3.1 in | |
| July | 69°F (21°C) | 2.7 in | Warmest |
| August | 68°F (20°C) | 3.2 in | |
| September | 62°F (16°C) | 3.7 in | Wettest |
| October | 50°F (10°C) | 2.8 in | |
| November | 39°F (4°C) | 2.9 in | |
| December | 28°F (-2°C) | 2.6 in |
Port Sanilac has a seasonal temperature swing of 46°F / from 23°F in January to 69°F in July. Total annual precipitation is 32.0 inches, with September being the wettest month (3.7") and February the driest (1.7").