All Countries
Trimountain, MI
Full City Profile · Michigan · Keweenaw County County
3.2
/5.0
B
Good
189
Population
402/sq mi density
$44,441
Median Income
$25,929 per capita
$76,700
Home Value
$210,679 Zillow
40°F
Avg Temperature
249 sunny days/yr
175
Violent Crime/100K
764 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$44,441 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$76,700 home value, /mo rent
F
Safety
1.0 / 5.0
175 violent crimes/100K
C+
Education
2.9 / 5.0
23.8% bachelor's degree or higher
Trimountain has a cool climate with an average annual temperature of 40°F (4°C). Winters average 16°F in January while summers reach 64°F in July. The area gets 249 sunny days per year. Annual precipitation totals 31.6 inches. Air quality is rated Good with a median AQI of 38.
Temperature
16°F Jan (-9°C)
64°F Jul (18°C)
| Annual Average | 40.0°F |
| 26% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 1,313 ft (400 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 402/sq mi |
| Coordinates | 47.0557°N, 88.6586°W |
| Timezone | America/Detroit |
| County | Keweenaw County County |
| Nearest Airport | Marquette/Sawyer Regional (MQT) 79 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 0.7 / 100 |
| Social Vulnerability | 97.1 / 100 |
| Community Resilience | 88.8 / 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 | Very Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very 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 | 16°F (-9°C) | 3.2 in | Coldest |
| February | 16°F (-9°C) | 2.0 in | |
| March | 26°F (-4°C) | 2.1 in | |
| April | 38°F (3°C) | 1.9 in | Driest |
| May | 51°F (11°C) | 2.7 in | |
| June | 60°F (15°C) | 3.0 in | |
| July | 64°F (18°C) | 3.0 in | |
| August | 64°F (18°C) | 3.2 in | Warmest |
| September | 56°F (13°C) | 3.3 in | Wettest |
| October | 45°F (7°C) | 2.8 in | |
| November | 31°F (-0°C) | 2.6 in | |
| December | 20°F (-7°C) | 2.8 in |
Trimountain has a seasonal temperature swing of 48°F / from 16°F in January to 64°F in August. Total annual precipitation is 32.4 inches, with September being the wettest month (3.3") and April the driest (1.9").