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Mahomet, IL
Full City Profile · Illinois · Champaign County County
4.0
/5.0
A
Great
9,755
Population
1,004/sq mi density
$114,904
Median Income
$46,300 per capita
$293,200
Home Value
$336,303 Zillow
$1,202
Median Rent
30.7% income on rent
51°F
Avg Temperature
275 sunny days/yr
114
Violent Crime/100K
557 property/100K
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$114,904 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$293,200 home value, $1,202/mo rent
F
Safety
1.0 / 5.0
114 violent crimes/100K
A+
Education
5.0 / 5.0
52.8% bachelor's degree or higher
Mahomet experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 25°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 39.6 inches. Air quality is rated Good with a median AQI of 43.
Temperature
25°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 51.1°F |
| 5% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 729 ft (222 m) |
| Area | 3.7 sq mi (9.5 km²) |
| Population Density | 1,004/sq mi |
| Coordinates | 40.1901°N, 88.3895°W |
| Timezone | America/Chicago |
| County | Champaign County County |
| Nearest Airport | Central Il Regional/Bloomington-Normal (BMI) 34 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0442 ppm |
| SO₂ (Sulfur Dioxide) | 0.56 ppb |
| CO (Carbon Monoxide) | 0.11 ppm |
| PM2.5 (Fine Particles) | 8.2 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.5 / 100 |
| Social Vulnerability | 30.9 / 100 |
| Community Resilience | 86.3 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 1.8 in | Coldest |
| February | 28°F (-2°C) | 1.7 in | Driest |
| March | 40°F (4°C) | 3.2 in | |
| April | 51°F (11°C) | 3.8 in | |
| May | 62°F (17°C) | 4.1 in | |
| June | 71°F (22°C) | 3.7 in | |
| July | 73°F (23°C) | 4.3 in | Warmest, Wettest |
| August | 73°F (23°C) | 3.8 in | |
| September | 66°F (19°C) | 3.4 in | |
| October | 54°F (12°C) | 2.7 in | |
| November | 41°F (5°C) | 3.0 in | |
| December | 30°F (-1°C) | 2.8 in |
Mahomet has a seasonal temperature swing of 48°F / from 25°F in January to 73°F in July. Total annual precipitation is 38.2 inches, with July being the wettest month (4.3") and February the driest (1.7").