River Hills, WI
Full City Profile · Wisconsin · Ozaukee County County
4.3
/5.0
A
Great
1,639
Population
318/sq mi density
$198,750
Median Income
$108,858 per capita
$670,200
Home Value
$961,137 Zillow
$2,107
Median Rent
30.5% income on rent
48°F
Avg Temperature
A
Overall
4.3 / 5.0
Strong
A+
Economy
5.0 / 5.0
$198,750 median income, 1.2% unemployment
A+
Affordability
4.8 / 5.0
$670,200 home value, $2,107/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A+
Education
5.0 / 5.0
76.6% bachelor's degree or higher
River Hills experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 22°F in January while summers reach 73°F in July. Annual precipitation totals 33.2 inches. The area receives 39.5 inches of snow annually. Air quality is rated Good with a median AQI of 37.
Temperature
22°F Jan (-6°C)
73°F Jul (23°C)
| Annual Average | 48.3°F |
| 11% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 706 ft (215 m) |
| Area | 5.3 sq mi (13.8 km²) |
| Population Density | 318/sq mi |
| Coordinates | 43.1735°N, 87.9338°W |
| Timezone | America/Chicago |
| County | Ozaukee County County |
| Nearest Airport | General Mitchell International (MKE) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
| Good Days % | 80.9% |
| Unhealthy Days | 9 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0492 ppm |
| PM2.5 (Fine Particles) | 8.2 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 50.3 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 100.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 1.4 in | Coldest |
| February | 25°F (-4°C) | 1.6 in | |
| March | 35°F (2°C) | 1.7 in | |
| April | 46°F (8°C) | 3.9 in | |
| May | 58°F (14°C) | 3.5 in | |
| June | 68°F (20°C) | 4.7 in | Wettest |
| July | 73°F (23°C) | 3.7 in | Warmest |
| August | 71°F (22°C) | 3.7 in | |
| September | 64°F (18°C) | 3.1 in | |
| October | 51°F (11°C) | 2.8 in | |
| November | 39°F (4°C) | 1.8 in | |
| December | 28°F (-2°C) | 1.4 in | Driest |
River Hills has a seasonal temperature swing of 51°F / from 22°F in January to 73°F in July. Total annual precipitation is 33.2 inches, with June being the wettest month (4.7") and December the driest (1.4").