St. Charles, MI
Full City Profile · Michigan · Saginaw County County
2.8
/5.0
C+
Fair
1,857
Population
889/sq mi density
$49,816
Median Income
$31,898 per capita
$106,300
Home Value
$201,711 Zillow
$603
Median Rent
35.5% income on rent
48°F
Avg Temperature
463
Violent Crime/100K
360 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$49,816 median income, 5.1% unemployment
A+
Affordability
5.0 / 5.0
$106,300 home value, $603/mo rent
F
Safety
1.0 / 5.0
463 violent crimes/100K (22% above avg)
C
Education
2.3 / 5.0
16.7% bachelor's degree or higher
St. Charles experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 23°F in January while summers reach 72°F in July. Annual precipitation totals 34.3 inches. The area receives 49.0 inches of snow annually.
Temperature
23°F Jan (-5°C)
72°F Jul (22°C)
| Annual Average | 48.0°F |
| 11% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 601 ft (183 m) |
| Area | 2.2 sq mi (5.7 km²) |
| Population Density | 889/sq mi |
| Coordinates | 43.2983°N, 84.1476°W |
| Timezone | America/Detroit |
| County | Saginaw County County |
| Nearest Airport | Mbs International (MBS) 17 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.6 / 100 |
| Social Vulnerability | 46.9 / 100 |
| Community Resilience | 93.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Very High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively High |
| 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 | - | 143 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 2.1 in | Coldest |
| February | 25°F (-4°C) | 1.9 in | |
| March | 34°F (1°C) | 2.0 in | |
| April | 46°F (8°C) | 3.3 in | |
| May | 58°F (15°C) | 3.7 in | |
| June | 68°F (20°C) | 3.4 in | |
| July | 72°F (22°C) | 4.1 in | Warmest, Wettest |
| August | 70°F (21°C) | 3.9 in | |
| September | 63°F (17°C) | 2.3 in | |
| October | 51°F (10°C) | 3.1 in | |
| November | 39°F (4°C) | 2.7 in | |
| December | 29°F (-2°C) | 1.8 in | Driest |
St. Charles has a seasonal temperature swing of 49°F / from 23°F in January to 72°F in July. Total annual precipitation is 34.3 inches, with July being the wettest month (4.1") and December the driest (1.8").