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Carbondale, IL
Full City Profile · Illinois · Jackson County County
3.1
/5.0
B
Good
21,813
Population
1,248/sq mi density
$29,670
Median Income
$23,849 per capita
$124,800
Home Value
$138,426 Zillow
$750
Median Rent
34.4% income on rent
56°F
Avg Temperature
305 sunny days/yr
824
Violent Crime/100K
3,692 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
C
Economy
2.4 / 5.0
$29,670 median income, 5.1% unemployment
A
Affordability
4.3 / 5.0
$124,800 home value, $750/mo rent
F
Safety
1.0 / 5.0
824 violent crimes/100K (117% above avg)
A+
Education
4.7 / 5.0
46.3% bachelor's degree or higher
Carbondale enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 32°F in January while summers reach 78°F in July. The area gets 305 sunny days per year. Annual precipitation totals 49.0 inches. The area receives 11.4 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
32°F Jan (0°C)
78°F Jul (26°C)
| Annual Average | 56.0°F |
| 4% above US avg | |
| January Average | 32°F (0°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 449 ft (137 m) |
| Area | 17.5 sq mi (45.4 km²) |
| Population Density | 1,248/sq mi |
| Coordinates | 37.7221°N, 89.2237°W |
| Timezone | America/Chicago |
| County | Jackson County County |
| Nearest Airport | Cape Girardeau Regional (CGI) 42 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.1 / 100 |
| Social Vulnerability | 76.6 / 100 |
| Community Resilience | 65.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 2.8 in | Coldest, Driest |
| February | 36°F (2°C) | 3.0 in | |
| March | 46°F (8°C) | 4.6 in | |
| April | 56°F (14°C) | 4.3 in | |
| May | 66°F (19°C) | 4.8 in | Wettest |
| June | 75°F (24°C) | 4.1 in | |
| July | 78°F (26°C) | 3.7 in | Warmest |
| August | 77°F (25°C) | 3.5 in | |
| September | 70°F (21°C) | 3.2 in | |
| October | 58°F (15°C) | 3.1 in | |
| November | 47°F (8°C) | 4.3 in | |
| December | 36°F (2°C) | 3.9 in |
Carbondale has a seasonal temperature swing of 46°F / from 32°F in January to 78°F in July. Total annual precipitation is 45.1 inches, with May being the wettest month (4.8") and January the driest (2.8").