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Brothertown, WI
Full City Profile · Wisconsin · Fond du Lac County County
2.9
/5.0
C+
Fair
216
Population
180/sq mi density
$56,299
Median Income
$51,888 per capita
$219,500
Home Value
$302,682 Zillow
45°F
Avg Temperature
260 sunny days/yr
127
Violent Crime/100K
456 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$56,299 median income, 0.0% unemployment
A
Affordability
4.5 / 5.0
$219,500 home value, /mo rent
F
Safety
1.0 / 5.0
127 violent crimes/100K
C
Education
2.2 / 5.0
15.0% bachelor's degree or higher
Brothertown has a cool climate with an average annual temperature of 45°F (7°C). Winters average 17°F in January while summers reach 70°F in July. The area gets 260 sunny days per year. Annual precipitation totals 31.5 inches. The area receives 38.0 inches of snow annually. Air quality is rated Good with a median AQI of 38.
Temperature
17°F Jan (-8°C)
70°F Jul (21°C)
| Annual Average | 45.0°F |
| 17% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 789 ft (240 m) |
| Area | 1.2 sq mi (3.1 km²) |
| Population Density | 180/sq mi |
| Coordinates | 43.9750°N, 88.3175°W |
| Timezone | America/Chicago |
| County | Fond du Lac County County |
| Nearest Airport | Wittman Regional (OSH) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0455 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.3 / 100 |
| Social Vulnerability | 16.6 / 100 |
| Community Resilience | 94.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Very 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 | 17°F (-8°C) | 1.2 in | Coldest |
| February | 21°F (-6°C) | 1.1 in | Driest |
| March | 31°F (-0°C) | 2.0 in | |
| April | 44°F (7°C) | 2.8 in | |
| May | 56°F (13°C) | 3.2 in | |
| June | 66°F (19°C) | 3.5 in | |
| July | 70°F (21°C) | 3.4 in | Warmest |
| August | 68°F (20°C) | 3.9 in | Wettest |
| September | 60°F (16°C) | 3.9 in | |
| October | 49°F (9°C) | 2.6 in | |
| November | 35°F (2°C) | 2.3 in | |
| December | 22°F (-6°C) | 1.6 in |
Brothertown has a seasonal temperature swing of 53°F / from 17°F in January to 70°F in July. Total annual precipitation is 31.5 inches, with August being the wettest month (3.9") and February the driest (1.1").