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Casco, WI
Full City Profile · Wisconsin · Kewaunee County County
3.6
/5.0
B+
Good
603
Population
900/sq mi density
$96,607
Median Income
$42,050 per capita
$179,800
Home Value
$323,407 Zillow
$538
Median Rent
13.6% income on rent
45°F
Avg Temperature
270 sunny days/yr
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$96,607 median income, 1.7% unemployment
A+
Affordability
5.0 / 5.0
$179,800 home value, $538/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
D
Education
2.0 / 5.0
12.1% bachelor's degree or higher
Casco has a cool climate with an average annual temperature of 45°F (7°C). Winters average 18°F in January while summers reach 70°F in July. The area gets 270 sunny days per year. Annual precipitation totals 33.8 inches. The area receives 51.5 inches of snow annually. Air quality is rated Good with a median AQI of 38.
Temperature
18°F Jan (-8°C)
70°F Jul (21°C)
| Annual Average | 44.6°F |
| 17% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 742 ft (226 m) |
| Area | 0.7 sq mi (1.7 km²) |
| Population Density | 900/sq mi |
| Coordinates | 44.5552°N, 87.6203°W |
| Timezone | America/Chicago |
| County | Kewaunee County County |
| Nearest Airport | Green Bay/Austin Straubel International (GRB) 26 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0479 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 17.3 / 100 |
| Social Vulnerability | 14.1 / 100 |
| Community Resilience | 99.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| 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 | 18°F (-8°C) | 1.5 in | Coldest |
| February | 21°F (-6°C) | 1.2 in | Driest |
| March | 31°F (-1°C) | 2.1 in | |
| April | 42°F (6°C) | 2.7 in | |
| May | 54°F (12°C) | 3.0 in | |
| June | 63°F (17°C) | 3.4 in | |
| July | 70°F (21°C) | 3.2 in | Warmest |
| August | 67°F (20°C) | 3.5 in | |
| September | 59°F (15°C) | 3.5 in | Wettest |
| October | 48°F (9°C) | 2.4 in | |
| November | 35°F (2°C) | 2.4 in | |
| December | 23°F (-5°C) | 1.7 in |
Casco has a seasonal temperature swing of 52°F / from 18°F in January to 70°F in July. Total annual precipitation is 30.7 inches, with September being the wettest month (3.5") and February the driest (1.2").