New Berlin, WI
Full City Profile · Wisconsin · Walworth County County
3.8
/5.0
B+
Good
40,384
Population
1,109/sq mi density
$97,414
Median Income
$55,915 per capita
$343,500
Home Value
$455,414 Zillow
$1,409
Median Rent
26.4% income on rent
47°F
Avg Temperature
67
Violent Crime/100K
1,000 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$97,414 median income, 2.7% unemployment
A+
Affordability
4.7 / 5.0
$343,500 home value, $1,409/mo rent
F
Safety
1.0 / 5.0
67 violent crimes/100K
A+
Education
4.7 / 5.0
46.6% bachelor's degree or higher
New Berlin experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 21°F in January while summers reach 72°F in July. Annual precipitation totals 38.4 inches. The area receives 48.7 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
21°F Jan (-6°C)
72°F Jul (22°C)
| Annual Average | 47.2°F |
| 13% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 896 ft (273 m) |
| Area | 36.9 sq mi (95.5 km²) |
| Population Density | 1,109/sq mi |
| Coordinates | 42.9720°N, 88.1292°W |
| Timezone | America/Chicago |
| County | Walworth County County |
| Nearest Airport | General Mitchell International (MKE) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
| Good Days % | 82.0% |
| Unhealthy Days | 0 |
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 | 21°F (-6°C) | 1.8 in | Coldest, Driest |
| February | 24°F (-5°C) | 1.9 in | |
| March | 34°F (1°C) | 2.1 in | |
| April | 45°F (7°C) | 4.1 in | |
| May | 57°F (14°C) | 4.3 in | |
| June | 67°F (19°C) | 5.6 in | Wettest |
| July | 72°F (22°C) | 3.8 in | Warmest |
| August | 70°F (21°C) | 3.8 in | |
| September | 63°F (17°C) | 3.8 in | |
| October | 51°F (10°C) | 3.0 in | |
| November | 38°F (3°C) | 2.3 in | |
| December | 27°F (-3°C) | 2.1 in |
New Berlin has a seasonal temperature swing of 51°F / from 21°F in January to 72°F in July. Total annual precipitation is 38.4 inches, with June being the wettest month (5.6") and January the driest (1.8").