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Aurora, IL
Full City Profile · Illinois · DuPage County County
3.6
/5.0
B+
Good
179,867
Population
3,992/sq mi density
$90,109
Median Income
$39,604 per capita
$260,400
Home Value
$310,838 Zillow
$1,535
Median Rent
28.5% income on rent
52°F
Avg Temperature
270 sunny days/yr
258
Violent Crime/100K
1,008 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$90,109 median income, 4.3% unemployment
A+
Affordability
5.0 / 5.0
$260,400 home value, $1,535/mo rent
F
Safety
1.0 / 5.0
258 violent crimes/100K
B+
Education
4.0 / 5.0
37.2% bachelor's degree or higher
Aurora experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 73°F in July. The area gets 270 sunny days per year. Annual precipitation totals 43.1 inches. The area receives 19.5 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
30°F Jan (-1°C)
73°F Jul (23°C)
| Annual Average | 52.2°F |
| 3% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 725 ft (221 m) |
| Area | 45.8 sq mi (118.5 km²) |
| Population Density | 3,992/sq mi |
| Coordinates | 41.7635°N, 88.2901°W |
| Timezone | America/Chicago |
| County | DuPage County County |
| Nearest Airport | Joliet Regional (JOT) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0475 ppm |
| PM2.5 (Fine Particles) | 10.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.7 / 100 |
| Social Vulnerability | 15.8 / 100 |
| Community Resilience | 71.8 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Very High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1954 | MICHIGAN CITY, IN (LAKE MICHIGAN) | Avalanche | 3.0 m | 7 | 117 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.6 in | |
| February | 26°F (-3°C) | 1.4 in | Coldest, Driest |
| March | 37°F (3°C) | 2.6 in | |
| April | 49°F (9°C) | 3.9 in | |
| May | 60°F (16°C) | 3.9 in | |
| June | 70°F (21°C) | 4.2 in | Wettest |
| July | 73°F (23°C) | 3.9 in | Warmest |
| August | 72°F (22°C) | 4.1 in | |
| September | 64°F (18°C) | 3.7 in | |
| October | 52°F (11°C) | 2.7 in | |
| November | 39°F (4°C) | 3.1 in | |
| December | 27°F (-3°C) | 2.4 in |
Aurora has a seasonal temperature swing of 47°F / from 26°F in February to 73°F in July. Total annual precipitation is 37.3 inches, with June being the wettest month (4.2") and February the driest (1.4").