Ontario, WI
Full City Profile · Wisconsin · Vernon County County
3.7
/5.0
B+
Good
380
Population
380/sq mi density
$57,500
Median Income
$28,254 per capita
$130,000
Home Value
$237,727 Zillow
$675
Median Rent
24.0% income on rent
46°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$57,500 median income, 1.6% unemployment
A+
Affordability
5.0 / 5.0
$130,000 home value, $675/mo rent
C
Education
2.2 / 5.0
14.5% bachelor's degree or higher
Ontario experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 17°F in January while summers reach 72°F in July. Annual precipitation totals 37.8 inches. The area receives 41.1 inches of snow annually.
Temperature
17°F Jan (-8°C)
72°F Jul (22°C)
| Annual Average | 46.2°F |
| 14% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 870 ft (265 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 380/sq mi |
| Coordinates | 43.7219°N, 90.5932°W |
| Timezone | America/Chicago |
| County | Vernon County County |
| Nearest Airport | La Crosse Regional (LSE) 35 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 75.0 / 100 |
| Social Vulnerability | 79.4 / 100 |
| Community Resilience | 65.0 / 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 Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 1.3 in | Coldest |
| February | 22°F (-6°C) | 1.2 in | Driest |
| March | 33°F (1°C) | 2.0 in | |
| April | 47°F (8°C) | 3.8 in | |
| May | 58°F (15°C) | 4.5 in | |
| June | 68°F (20°C) | 5.1 in | Wettest |
| July | 72°F (22°C) | 4.7 in | Warmest |
| August | 70°F (21°C) | 4.6 in | |
| September | 62°F (17°C) | 4.2 in | |
| October | 49°F (9°C) | 2.9 in | |
| November | 35°F (2°C) | 2.0 in | |
| December | 23°F (-5°C) | 1.6 in |
Ontario has a seasonal temperature swing of 54°F / from 17°F in January to 72°F in July. Total annual precipitation is 37.8 inches, with June being the wettest month (5.1") and February the driest (1.2").