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Rockdale, WI
Full City Profile · Wisconsin · Rock County County
3.3
/5.0
B
Good
220
Population
786/sq mi density
$94,167
Median Income
$40,466 per capita
$275,000
Home Value
$360,806 Zillow
$1,097
Median Rent
23.5% income on rent
47°F
Avg Temperature
260 sunny days/yr
108
Violent Crime/100K
2,331 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$94,167 median income, 0.6% unemployment
A+
Affordability
5.0 / 5.0
$275,000 home value, $1,097/mo rent
F
Safety
1.0 / 5.0
108 violent crimes/100K
B
Education
3.1 / 5.0
26.4% bachelor's degree or higher
Rockdale experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 19°F in January while summers reach 72°F in July. The area gets 260 sunny days per year. Annual precipitation totals 37.8 inches. The area receives 35.5 inches of snow annually. Air quality is rated Good with a median AQI of 38.
Temperature
19°F Jan (-8°C)
72°F Jul (22°C)
| Annual Average | 46.6°F |
| 14% below US avg | |
| January Average | 19°F (-8°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 824 ft (251 m) |
| Area | 0.2 sq mi (0.6 km²) |
| Population Density | 786/sq mi |
| Coordinates | 42.9700°N, 89.0306°W |
| Timezone | America/Chicago |
| County | Rock County County |
| Nearest Airport | Dane County Regional/Truax Field (MSN) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0521 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.4 / 100 |
| Social Vulnerability | 18.5 / 100 |
| Community Resilience | 81.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively 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 | 19°F (-8°C) | 1.2 in | Coldest |
| February | 22°F (-6°C) | 1.1 in | Driest |
| March | 33°F (1°C) | 2.2 in | |
| April | 46°F (8°C) | 3.3 in | |
| May | 58°F (14°C) | 3.2 in | |
| June | 67°F (20°C) | 3.8 in | |
| July | 72°F (22°C) | 3.9 in | Warmest |
| August | 69°F (21°C) | 3.9 in | Wettest |
| September | 61°F (16°C) | 3.7 in | |
| October | 50°F (10°C) | 2.4 in | |
| November | 36°F (2°C) | 2.3 in | |
| December | 23°F (-5°C) | 1.7 in |
Rockdale has a seasonal temperature swing of 53°F / from 19°F in January to 72°F in July. Total annual precipitation is 32.8 inches, with August being the wettest month (3.9") and February the driest (1.1").