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Ontonagon, MI
Full City Profile · Michigan · Ontonagon County County
3.0
/5.0
B
Good
1,266
Population
344/sq mi density
$46,806
Median Income
$32,139 per capita
$92,100
Home Value
$129,205 Zillow
$557
Median Rent
22.6% income on rent
43°F
Avg Temperature
249 sunny days/yr
175
Violent Crime/100K
764 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$46,806 median income, 2.8% unemployment
A+
Affordability
5.0 / 5.0
$92,100 home value, $557/mo rent
F
Safety
1.0 / 5.0
175 violent crimes/100K
C
Education
2.2 / 5.0
15.2% bachelor's degree or higher
Ontonagon has a cool climate with an average annual temperature of 43°F (6°C). Winters average 17°F in January while summers reach 67°F in July. The area gets 249 sunny days per year. Annual precipitation totals 32.9 inches. The area receives 177.7 inches of snow annually. Air quality is rated Good with a median AQI of 38.
Temperature
17°F Jan (-8°C)
67°F Jul (20°C)
| Annual Average | 43.3°F |
| 20% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 642 ft (196 m) |
| Area | 3.9 sq mi (10.0 km²) |
| Population Density | 344/sq mi |
| Coordinates | 46.8663°N, 89.3124°W |
| Timezone | America/Detroit |
| County | Ontonagon County County |
| Nearest Airport | Marquette/Sawyer Regional (MQT) 99 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 4.2 / 100 |
| Social Vulnerability | 66.2 / 100 |
| Community Resilience | 67.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | No Rating |
| Earthquake | No Rating |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 2.2 in | Coldest |
| February | 18°F (-8°C) | 1.4 in | Driest |
| March | 27°F (-3°C) | 1.8 in | |
| April | 39°F (4°C) | 2.0 in | |
| May | 50°F (10°C) | 3.1 in | |
| June | 59°F (15°C) | 3.4 in | |
| July | 67°F (20°C) | 3.1 in | Warmest |
| August | 65°F (18°C) | 3.5 in | Wettest |
| September | 57°F (14°C) | 3.5 in | |
| October | 46°F (8°C) | 2.9 in | |
| November | 33°F (1°C) | 2.6 in | |
| December | 22°F (-6°C) | 2.3 in |
Ontonagon has a seasonal temperature swing of 50°F / from 17°F in January to 67°F in July. Total annual precipitation is 31.8 inches, with August being the wettest month (3.5") and February the driest (1.4").