Fairmont, IL
Full City Profile · Illinois · Kendall County County
2.8
/5.0
C+
Fair
2,409
Population
1,733/sq mi density
$59,244
Median Income
$23,400 per capita
$147,400
Home Value
$198,379 Zillow
$1,372
Median Rent
24.3% income on rent
51°F
Avg Temperature
466
Violent Crime/100K
559 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$59,244 median income, 8.7% unemployment
A+
Affordability
5.0 / 5.0
$147,400 home value, $1,372/mo rent
F
Safety
1.0 / 5.0
466 violent crimes/100K (23% above avg)
C
Education
2.4 / 5.0
17.2% bachelor's degree or higher
Fairmont experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 24°F in January while summers reach 75°F in July. Annual precipitation totals 41.1 inches. The area receives 33.2 inches of snow annually.
Temperature
24°F Jan (-5°C)
75°F Jul (24°C)
| Annual Average | 50.9°F |
| 6% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 638 ft (194 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 1,733/sq mi |
| Coordinates | 41.5614°N, 88.0587°W |
| Timezone | America/Chicago |
| County | Kendall County County |
| Nearest Airport | Joliet Regional (JOT) 7 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 80.3 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 96.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively 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 | 99 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 2.2 in | Coldest |
| February | 28°F (-2°C) | 2.0 in | Driest |
| March | 39°F (4°C) | 2.7 in | |
| April | 50°F (10°C) | 4.1 in | |
| May | 61°F (16°C) | 4.8 in | Wettest |
| June | 71°F (22°C) | 4.7 in | |
| July | 75°F (24°C) | 4.5 in | Warmest |
| August | 73°F (23°C) | 4.4 in | |
| September | 66°F (19°C) | 3.3 in | |
| October | 54°F (12°C) | 3.7 in | |
| November | 40°F (5°C) | 2.7 in | |
| December | 29°F (-1°C) | 2.2 in |
Fairmont has a seasonal temperature swing of 51°F / from 24°F in January to 75°F in July. Total annual precipitation is 41.1 inches, with May being the wettest month (4.8") and February the driest (2.0").