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Petersburg, MI
Full City Profile · Michigan · Monroe County County
3.2
/5.0
B
Good
1,261
Population
2,627/sq mi density
$76,071
Median Income
$33,080 per capita
$197,100
Home Value
$299,041 Zillow
$1,019
Median Rent
33.5% income on rent
49°F
Avg Temperature
275 sunny days/yr
123
Violent Crime/100K
888 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$76,071 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$197,100 home value, $1,019/mo rent
F
Safety
1.0 / 5.0
123 violent crimes/100K
C
Education
2.5 / 5.0
18.2% bachelor's degree or higher
Petersburg experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 25°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 34.8 inches. The area receives 39.1 inches of snow annually. Air quality is rated Good with a median AQI of 38.
Temperature
25°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 679 ft (207 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 2,627/sq mi |
| Coordinates | 41.8997°N, 83.7140°W |
| Timezone | America/Detroit |
| County | Monroe County County |
| Nearest Airport | Detroit Metro Wayne County (DTW) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 82.5 / 100 |
| Social Vulnerability | 25.4 / 100 |
| Community Resilience | 86.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| 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 | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 1.9 in | Coldest |
| February | 26°F (-4°C) | 1.8 in | Driest |
| March | 36°F (2°C) | 2.6 in | |
| April | 47°F (9°C) | 3.2 in | |
| May | 59°F (15°C) | 3.2 in | |
| June | 68°F (20°C) | 3.7 in | Wettest |
| July | 73°F (23°C) | 3.1 in | Warmest |
| August | 70°F (21°C) | 3.4 in | |
| September | 63°F (17°C) | 3.3 in | |
| October | 51°F (11°C) | 2.4 in | |
| November | 40°F (4°C) | 2.8 in | |
| December | 29°F (-2°C) | 2.6 in |
Petersburg has a seasonal temperature swing of 49°F / from 25°F in January to 73°F in July. Total annual precipitation is 33.9 inches, with June being the wettest month (3.7") and February the driest (1.8").