Lake Wisconsin, WI
Full City Profile · Wisconsin · Columbia County County
4.7
/5.0
A+
Excellent
5,051
Population
377/sq mi density
$116,053
Median Income
$60,539 per capita
$421,500
Home Value
$458,189 Zillow
$1,399
Median Rent
21.8% income on rent
47°F
Avg Temperature
A+
Overall
4.7 / 5.0
Strong
A+
Economy
5.0 / 5.0
$116,053 median income, 2.1% unemployment
A+
Affordability
4.6 / 5.0
$421,500 home value, $1,399/mo rent
A
Education
4.3 / 5.0
41.8% bachelor's degree or higher
Lake Wisconsin experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 19°F in January while summers reach 72°F in July. Annual precipitation totals 39.2 inches. The area receives 42.7 inches of snow annually. Air quality is rated Good with a median AQI of 38.
Temperature
19°F Jan (-8°C)
72°F Jul (22°C)
| Annual Average | 47.1°F |
| 13% below US avg | |
| January Average | 19°F (-8°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 795 ft (242 m) |
| Area | 21.5 sq mi (55.6 km²) |
| Population Density | 377/sq mi |
| Coordinates | 43.3647°N, 89.5960°W |
| Timezone | America/Chicago |
| County | Columbia County County |
| Nearest Airport | Dane County Regional/Truax Field (MSN) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
| Good Days % | 91.6% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0501 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 81.4 / 100 |
| Social Vulnerability | 24.0 / 100 |
| Community Resilience | 91.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-8°C) | 1.5 in | Coldest, Driest |
| February | 22°F (-5°C) | 1.5 in | |
| March | 34°F (1°C) | 2.2 in | |
| April | 46°F (8°C) | 4.0 in | |
| May | 59°F (15°C) | 4.6 in | |
| June | 69°F (20°C) | 5.4 in | Wettest |
| July | 72°F (22°C) | 4.9 in | Warmest |
| August | 70°F (21°C) | 4.4 in | |
| September | 62°F (17°C) | 3.8 in | |
| October | 50°F (10°C) | 3.0 in | |
| November | 37°F (3°C) | 2.3 in | |
| December | 25°F (-4°C) | 1.7 in |
Lake Wisconsin has a seasonal temperature swing of 54°F / from 19°F in January to 72°F in July. Total annual precipitation is 39.2 inches, with June being the wettest month (5.4") and January the driest (1.5").