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Vernon, WI
Full City Profile · Wisconsin · Walworth County County
3.8
/5.0
B+
Good
7,470
Population
249/sq mi density
$121,401
Median Income
$54,962 per capita
$412,600
Home Value
$511,550 Zillow
$1,159
Median Rent
22.4% income on rent
47°F
Avg Temperature
260 sunny days/yr
40
Violent Crime/100K
2,458 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$121,401 median income, 0.8% unemployment
A+
Affordability
4.8 / 5.0
$412,600 home value, $1,159/mo rent
F
Safety
1.0 / 5.0
40 violent crimes/100K
A
Education
4.3 / 5.0
41.5% bachelor's degree or higher
Vernon experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 20°F in January while summers reach 71°F in July. The area gets 260 sunny days per year. Annual precipitation totals 36.4 inches. Air quality is rated Good with a median AQI of 38.
Temperature
20°F Jan (-7°C)
71°F Jul (22°C)
| Annual Average | 46.7°F |
| 14% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 806 ft (246 m) |
| Area | 12.6 sq mi (32.7 km²) |
| Population Density | 249/sq mi |
| Coordinates | 42.8790°N, 88.2666°W |
| Timezone | America/Chicago |
| County | Walworth County County |
| Nearest Airport | General Mitchell International (MKE) 19 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 Low |
| Risk Score | 74.8 / 100 |
| Social Vulnerability | 20.8 / 100 |
| Community Resilience | 80.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| 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 | 20°F (-7°C) | 1.4 in | Coldest |
| February | 23°F (-5°C) | 1.2 in | Driest |
| March | 34°F (1°C) | 2.2 in | |
| April | 45°F (7°C) | 3.3 in | |
| May | 57°F (14°C) | 3.0 in | |
| June | 66°F (19°C) | 3.8 in | |
| July | 71°F (22°C) | 4.0 in | Warmest, Wettest |
| August | 69°F (21°C) | 3.9 in | |
| September | 61°F (16°C) | 3.7 in | |
| October | 50°F (10°C) | 2.5 in | |
| November | 37°F (3°C) | 2.4 in | |
| December | 24°F (-4°C) | 1.9 in |
Vernon has a seasonal temperature swing of 51°F / from 20°F in January to 71°F in July. Total annual precipitation is 33.3 inches, with July being the wettest month (4.0") and February the driest (1.2").