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Kewaskum, WI
Full City Profile · Wisconsin · Washington County County
3.4
/5.0
B
Good
4,367
Population
1,761/sq mi density
$103,472
Median Income
$40,950 per capita
$286,800
Home Value
$350,056 Zillow
$962
Median Rent
25.4% income on rent
47°F
Avg Temperature
260 sunny days/yr
47
Violent Crime/100K
636 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$103,472 median income, 3.8% unemployment
A+
Affordability
5.0 / 5.0
$286,800 home value, $962/mo rent
F
Safety
1.0 / 5.0
47 violent crimes/100K
C+
Education
2.9 / 5.0
24.3% bachelor's degree or higher
Kewaskum experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 19°F in January while summers reach 73°F in July. The area gets 260 sunny days per year. Annual precipitation totals 32.4 inches. Air quality is rated Good with a median AQI of 38.
Temperature
19°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 47.0°F |
| 13% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 936 ft (285 m) |
| Area | 2.4 sq mi (6.1 km²) |
| Population Density | 1,761/sq mi |
| Coordinates | 43.5176°N, 88.2306°W |
| Timezone | America/Chicago |
| County | Washington County County |
| Nearest Airport | Wittman Regional (OSH) 38 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 68.3 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 96.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| 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 (-7°C) | 1.1 in | Coldest |
| February | 21°F (-6°C) | 1.0 in | Driest |
| March | 32°F (-0°C) | 2.0 in | |
| April | 44°F (7°C) | 2.9 in | |
| May | 56°F (13°C) | 3.0 in | |
| June | 65°F (18°C) | 3.5 in | |
| July | 73°F (23°C) | 3.7 in | Warmest |
| August | 68°F (20°C) | 3.9 in | |
| September | 60°F (16°C) | 4.2 in | Wettest |
| October | 49°F (9°C) | 2.7 in | |
| November | 35°F (2°C) | 2.3 in | |
| December | 23°F (-5°C) | 1.7 in |
Kewaskum has a seasonal temperature swing of 54°F / from 19°F in January to 73°F in July. Total annual precipitation is 32.0 inches, with September being the wettest month (4.2") and February the driest (1.0").