Boulder Junction, WI
Full City Profile · Wisconsin · Vilas County County
3.3
/5.0
B
Good
221
Population
165/sq mi density
$55,972
Median Income
$35,942 per capita
$312,500
Home Value
$416,961 Zillow
$854
Median Rent
34.4% income on rent
40°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$55,972 median income, 0.0% unemployment
B+
Affordability
3.5 / 5.0
$312,500 home value, $854/mo rent
C+
Education
2.7 / 5.0
20.8% bachelor's degree or higher
Boulder Junction has a cool climate with an average annual temperature of 40°F (4°C). Winters average 10°F in January while summers reach 66°F in July. Annual precipitation totals 32.3 inches. The area receives 75.2 inches of snow annually. Air quality is rated Good with a median AQI of 37.
Temperature
10°F Jan (-12°C)
66°F Jul (19°C)
| Annual Average | 39.9°F |
| 26% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 66°F (19°C) |
Geography
| Elevation | 1,651 ft (503 m) |
| Area | 1.2 sq mi (3.0 km²) |
| Population Density | 165/sq mi |
| Coordinates | 46.1148°N, 89.6544°W |
| Timezone | America/Chicago |
| County | Vilas County County |
| Nearest Airport | Marquette/Sawyer Regional (MQT) 109 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
| Good Days % | 96.6% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0434 ppm |
| PM2.5 (Fine Particles) | 7.2 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 63.3 / 100 |
| Social Vulnerability | 68.9 / 100 |
| Community Resilience | 62.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 1.2 in | Coldest |
| February | 14°F (-10°C) | 0.9 in | Driest |
| March | 25°F (-4°C) | 1.5 in | |
| April | 39°F (4°C) | 2.5 in | |
| May | 53°F (12°C) | 3.7 in | |
| June | 62°F (17°C) | 4.4 in | Wettest |
| July | 66°F (19°C) | 4.1 in | Warmest |
| August | 64°F (18°C) | 3.3 in | |
| September | 56°F (13°C) | 3.7 in | |
| October | 43°F (6°C) | 3.6 in | |
| November | 29°F (-2°C) | 1.9 in | |
| December | 17°F (-8°C) | 1.4 in |
Boulder Junction has a seasonal temperature swing of 56°F / from 10°F in January to 66°F in July. Total annual precipitation is 32.3 inches, with June being the wettest month (4.4") and February the driest (0.9").