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McLeansboro, IL
Full City Profile · Illinois · Hamilton County County
2.9
/5.0
C+
Fair
2,750
Population
1,004/sq mi density
$46,589
Median Income
$28,281 per capita
$72,200
Home Value
$103,755 Zillow
$548
Median Rent
21.1% income on rent
56°F
Avg Temperature
293 sunny days/yr
145
Violent Crime/100K
1,377 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$46,589 median income, 0.6% unemployment
A+
Affordability
5.0 / 5.0
$72,200 home value, $548/mo rent
F
Safety
1.0 / 5.0
145 violent crimes/100K
C
Education
2.4 / 5.0
18.1% bachelor's degree or higher
McLeansboro 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 293 sunny days per year. Annual precipitation totals 47.1 inches. The area receives 13.3 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
32°F Jan (-0°C)
78°F Jul (25°C)
| Annual Average | 55.5°F |
| 3% above US avg | |
| January Average | 32°F (-0°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 451 ft (137 m) |
| Area | 2.7 sq mi (7.1 km²) |
| Population Density | 1,004/sq mi |
| Coordinates | 38.0903°N, 88.5386°W |
| Timezone | America/Chicago |
| County | Hamilton County County |
| Nearest Airport | Evansville Regional (EVV) 55 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0471 ppm |
| PM2.5 (Fine Particles) | 8.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 30.8 / 100 |
| Social Vulnerability | 15.8 / 100 |
| Community Resilience | 75.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
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 | 35°F (2°C) | 2.8 in | |
| March | 45°F (7°C) | 4.5 in | |
| April | 56°F (13°C) | 4.5 in | |
| May | 65°F (18°C) | 4.7 in | Wettest |
| June | 74°F (23°C) | 3.9 in | |
| July | 78°F (25°C) | 3.6 in | Warmest |
| August | 76°F (24°C) | 3.2 in | |
| September | 69°F (21°C) | 3.0 in | |
| October | 58°F (14°C) | 3.0 in | |
| November | 46°F (8°C) | 4.3 in | |
| December | 35°F (2°C) | 3.6 in |
McLeansboro has a seasonal temperature swing of 46°F / from 32°F in January to 78°F in July. Total annual precipitation is 43.8 inches, with May being the wettest month (4.7") and January the driest (2.8").