Edgerton, WI
Full City Profile · Wisconsin · Rock County County
4.0
/5.0
A
Great
5,924
Population
1,424/sq mi density
$84,185
Median Income
$37,815 per capita
$243,900
Home Value
$306,978 Zillow
$1,081
Median Rent
27.3% income on rent
47°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A+
Economy
4.7 / 5.0
$84,185 median income, 1.9% unemployment
A+
Affordability
5.0 / 5.0
$243,900 home value, $1,081/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
B+
Education
3.8 / 5.0
35.5% bachelor's degree or higher
Edgerton 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 38.9 inches. The area receives 35.5 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
19°F Jan (-8°C)
72°F Jul (22°C)
| Annual Average | 46.6°F |
| 14% below US avg | |
| January Average | 19°F (-8°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 814 ft (248 m) |
| Area | 4.2 sq mi (10.7 km²) |
| Population Density | 1,424/sq mi |
| Coordinates | 42.8389°N, 89.0696°W |
| Timezone | America/Chicago |
| County | Rock County County |
| Nearest Airport | Southern Wisconsin Regional (JVL) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
| Good Days % | 83.4% |
| Unhealthy Days | 2 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0521 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.4 / 100 |
| Social Vulnerability | 18.5 / 100 |
| Community Resilience | 81.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively 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 | 19°F (-8°C) | 1.7 in | Coldest, Driest |
| February | 22°F (-6°C) | 1.8 in | |
| March | 34°F (1°C) | 2.3 in | |
| April | 46°F (8°C) | 4.0 in | |
| May | 58°F (14°C) | 4.4 in | |
| June | 68°F (20°C) | 5.1 in | Wettest |
| July | 72°F (22°C) | 3.9 in | Warmest |
| August | 70°F (21°C) | 4.3 in | |
| September | 62°F (17°C) | 3.9 in | |
| October | 50°F (10°C) | 2.9 in | |
| November | 36°F (2°C) | 2.6 in | |
| December | 24°F (-4°C) | 2.1 in |
Edgerton has a seasonal temperature swing of 53°F / from 19°F in January to 72°F in July. Total annual precipitation is 38.9 inches, with June being the wettest month (5.1") and January the driest (1.7").