Brown City, MI
Full City Profile · Michigan · Sanilac County County
3.3
/5.0
B
Good
1,211
Population
1,072/sq mi density
$60,357
Median Income
$30,023 per capita
$121,400
Home Value
$231,336 Zillow
$805
Median Rent
30.6% income on rent
45°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$60,357 median income, 9.3% unemployment
A+
Affordability
5.0 / 5.0
$121,400 home value, $805/mo rent
D
Education
2.0 / 5.0
12.0% bachelor's degree or higher
Brown City has a cool climate with an average annual temperature of 45°F (7°C). Winters average 21°F in January while summers reach 69°F in July. Annual precipitation totals 31.3 inches. The area receives 40.7 inches of snow annually.
Temperature
21°F Jan (-6°C)
69°F Jul (21°C)
| Annual Average | 45.4°F |
| 16% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 69°F (21°C) |
Geography
| Elevation | 816 ft (249 m) |
| Area | 1.1 sq mi (2.8 km²) |
| Population Density | 1,072/sq mi |
| Coordinates | 43.2115°N, 82.9884°W |
| Timezone | America/Detroit |
| County | Sanilac County County |
| Nearest Airport | St Clair County International (PHN) 31 miles away |
Precipitation & Snow
Air Quality
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 | - | 49 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 1.9 in | Coldest |
| February | 22°F (-5°C) | 1.6 in | Driest |
| March | 31°F (-0°C) | 1.9 in | |
| April | 43°F (6°C) | 3.0 in | |
| May | 54°F (12°C) | 3.3 in | Wettest |
| June | 65°F (18°C) | 3.3 in | |
| July | 69°F (21°C) | 3.1 in | Warmest |
| August | 67°F (19°C) | 3.0 in | |
| September | 60°F (16°C) | 3.1 in | |
| October | 49°F (9°C) | 2.8 in | |
| November | 37°F (3°C) | 2.4 in | |
| December | 28°F (-3°C) | 2.0 in |
Brown City has a seasonal temperature swing of 48°F / from 21°F in January to 69°F in July. Total annual precipitation is 31.3 inches, with May being the wettest month (3.3") and February the driest (1.6").