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Coalton, IL
Full City Profile · Illinois · Montgomery County County
3.1
/5.0
B
Good
280
Population
475/sq mi density
$76,250
Median Income
$39,889 per capita
$81,000
Home Value
$91,834 Zillow
$775
Median Rent
22.5% income on rent
54°F
Avg Temperature
302 sunny days/yr
316
Violent Crime/100K
1,537 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$76,250 median income, 1.3% unemployment
A+
Affordability
5.0 / 5.0
$81,000 home value, $775/mo rent
F
Safety
1.0 / 5.0
316 violent crimes/100K
D
Education
2.0 / 5.0
12.0% bachelor's degree or higher
Coalton experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 28°F in January while summers reach 76°F in July. The area gets 302 sunny days per year. Annual precipitation totals 38.1 inches. The area receives 16.2 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
28°F Jan (-3°C)
76°F Jul (24°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 28°F (-3°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 676 ft (206 m) |
| Area | 0.2 sq mi (0.5 km²) |
| Population Density | 475/sq mi |
| Coordinates | 39.2848°N, 89.3030°W |
| Timezone | America/Chicago |
| County | Montgomery County County |
| Nearest Airport | St Louis Regional (ALN) 48 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 65.4 / 100 |
| Social Vulnerability | 55.4 / 100 |
| Community Resilience | 76.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-3°C) | 2.0 in | Coldest, Driest |
| February | 31°F (-1°C) | 2.1 in | |
| March | 42°F (6°C) | 3.5 in | |
| April | 53°F (12°C) | 4.0 in | |
| May | 63°F (17°C) | 4.3 in | Wettest |
| June | 73°F (23°C) | 4.2 in | |
| July | 76°F (24°C) | 3.7 in | Warmest |
| August | 74°F (23°C) | 3.2 in | |
| September | 67°F (20°C) | 3.2 in | |
| October | 56°F (13°C) | 2.9 in | |
| November | 43°F (6°C) | 3.6 in | |
| December | 32°F (0°C) | 3.0 in |
Coalton has a seasonal temperature swing of 49°F / from 28°F in January to 76°F in July. Total annual precipitation is 39.6 inches, with May being the wettest month (4.3") and January the driest (2.0").