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Deckerville, MI
Full City Profile · Michigan · Sanilac County County
2.8
/5.0
C+
Fair
1,057
Population
846/sq mi density
$59,375
Median Income
$25,989 per capita
$81,900
Home Value
$192,803 Zillow
$802
Median Rent
19.3% income on rent
45°F
Avg Temperature
260 sunny days/yr
268
Violent Crime/100K
3,373 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$59,375 median income, 6.1% unemployment
A+
Affordability
5.0 / 5.0
$81,900 home value, $802/mo rent
F
Safety
1.0 / 5.0
268 violent crimes/100K
C
Education
2.2 / 5.0
14.7% bachelor's degree or higher
Deckerville has a cool climate with an average annual temperature of 45°F (7°C). Winters average 22°F in January while summers reach 68°F in July. The area gets 260 sunny days per year. Annual precipitation totals 34.0 inches. The area receives 47.2 inches of snow annually. Air quality is rated Good with a median AQI of 38.
Temperature
22°F Jan (-5°C)
68°F Jul (20°C)
| Annual Average | 45.4°F |
| 16% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 260 days/yr |
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
| 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 | - | 55 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-5°C) | 1.9 in | |
| February | 22°F (-6°C) | 1.6 in | Coldest, Driest |
| March | 32°F (-0°C) | 2.2 in | |
| April | 43°F (6°C) | 2.6 in | |
| May | 54°F (12°C) | 2.6 in | |
| June | 64°F (18°C) | 3.1 in | |
| July | 68°F (20°C) | 2.7 in | Warmest |
| August | 67°F (20°C) | 3.3 in | |
| September | 61°F (16°C) | 3.8 in | Wettest |
| October | 49°F (10°C) | 2.8 in | |
| November | 38°F (3°C) | 2.8 in | |
| December | 27°F (-3°C) | 2.5 in |
Deckerville has a seasonal temperature swing of 46°F / from 22°F in February to 68°F in July. Total annual precipitation is 31.8 inches, with September being the wettest month (3.8") and February the driest (1.6").