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Corunna, MI
Full City Profile · Michigan · Shiawassee County County
2.9
/5.0
C+
Fair
3,054
Population
960/sq mi density
$47,420
Median Income
$27,931 per capita
$142,000
Home Value
$194,600 Zillow
$867
Median Rent
30.2% income on rent
48°F
Avg Temperature
260 sunny days/yr
300
Violent Crime/100K
689 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$47,420 median income, 3.1% unemployment
A+
Affordability
5.0 / 5.0
$142,000 home value, $867/mo rent
F
Safety
1.0 / 5.0
300 violent crimes/100K
C
Education
2.2 / 5.0
14.7% bachelor's degree or higher
Corunna experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 23°F in January while summers reach 71°F in July. The area gets 260 sunny days per year. Annual precipitation totals 33.6 inches. Air quality is rated Good with a median AQI of 38.
Temperature
23°F Jan (-5°C)
71°F Jul (22°C)
| Annual Average | 47.7°F |
| 12% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 741 ft (226 m) |
| Area | 3.3 sq mi (8.4 km²) |
| Population Density | 960/sq mi |
| Coordinates | 42.9834°N, 84.1159°W |
| Timezone | America/Detroit |
| County | Shiawassee County County |
| Nearest Airport | Bishop International (FNT) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.2 / 100 |
| Social Vulnerability | 44.1 / 100 |
| Community Resilience | 85.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | 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 | - | 140 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.5 in | Coldest |
| February | 24°F (-5°C) | 1.3 in | Driest |
| March | 34°F (1°C) | 2.2 in | |
| April | 45°F (7°C) | 2.9 in | |
| May | 57°F (14°C) | 2.8 in | |
| June | 66°F (19°C) | 3.3 in | |
| July | 71°F (22°C) | 2.6 in | Warmest |
| August | 68°F (20°C) | 3.4 in | |
| September | 61°F (16°C) | 3.6 in | Wettest |
| October | 50°F (10°C) | 2.4 in | |
| November | 38°F (3°C) | 2.6 in | |
| December | 27°F (-3°C) | 2.1 in |
Corunna has a seasonal temperature swing of 48°F / from 23°F in January to 71°F in July. Total annual precipitation is 30.6 inches, with September being the wettest month (3.6") and February the driest (1.3").