Deckerville, MI
Full City Profile · Michigan · Sanilac County County
3.2
/5.0
B
Good
1,057
Population
846/sq mi density
$59,375
Median Income
$25,989 per capita
$81,900
Home Value
$193,188 Zillow
$802
Median Rent
19.3% income on rent
46°F
Avg Temperature
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.5 / 5.0
$59,375 median income, 10.5% unemployment
A+
Affordability
5.0 / 5.0
$81,900 home value, $802/mo rent
C
Education
2.2 / 5.0
14.7% bachelor's degree or higher
Deckerville experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 22°F in January while summers reach 70°F in July. Annual precipitation totals 35.4 inches. The area receives 47.2 inches of snow annually.
Temperature
22°F Jan (-6°C)
70°F Jul (21°C)
| Annual Average | 46.4°F |
| 14% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 816 ft (249 m) |
| Area | 1.3 sq mi (3.2 km²) |
| Population Density | 846/sq mi |
| Coordinates | 43.5265°N, 82.7420°W |
| Timezone | America/Detroit |
| County | Sanilac County County |
| Nearest Airport | St Clair County International (PHN) 44 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 | - | 55 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 2.6 in | Coldest |
| February | 23°F (-5°C) | 2.0 in | Driest |
| March | 32°F (0°C) | 2.1 in | |
| April | 44°F (6°C) | 3.4 in | |
| May | 56°F (13°C) | 3.9 in | Wettest |
| June | 66°F (19°C) | 3.7 in | |
| July | 70°F (21°C) | 3.2 in | Warmest |
| August | 68°F (20°C) | 3.1 in | |
| September | 61°F (16°C) | 3.3 in | |
| October | 49°F (10°C) | 3.3 in | |
| November | 38°F (3°C) | 2.5 in | |
| December | 28°F (-2°C) | 2.3 in |
Deckerville has a seasonal temperature swing of 49°F / from 22°F in January to 70°F in July. Total annual precipitation is 35.4 inches, with May being the wettest month (3.9") and February the driest (2.0").