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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
260 sunny days/yr
A+
Overall
4.7 / 5.0
Strong
A+
Economy
5.0 / 5.0
$116,053 median income, 1.2% 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. The area gets 260 sunny days per year. Annual precipitation totals 39.2 inches. 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) |
| Sunny Days | 260 days/yr |
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 |
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) | 1.1 in | Coldest |
| February | 21°F (-6°C) | 1.1 in | Driest |
| March | 32°F (0°C) | 2.2 in | |
| April | 45°F (7°C) | 3.1 in | |
| May | 57°F (14°C) | 3.4 in | |
| June | 66°F (19°C) | 3.9 in | |
| July | 72°F (22°C) | 3.9 in | Warmest |
| August | 68°F (20°C) | 4.1 in | Wettest |
| September | 61°F (16°C) | 3.8 in | |
| October | 49°F (9°C) | 2.4 in | |
| November | 35°F (2°C) | 2.2 in | |
| December | 22°F (-6°C) | 1.5 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 32.5 inches, with August being the wettest month (4.1") and February the driest (1.1").