Willisville, IL
Full City Profile · Illinois · Jackson County County
2.8
/5.0
C+
Fair
416
Population
1,067/sq mi density
$57,813
Median Income
$31,654 per capita
$54,400
Home Value
$97,125 Zillow
$815
Median Rent
38.8% income on rent
55°F
Avg Temperature
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.4 / 5.0
$57,813 median income, 11.5% unemployment
A+
Affordability
5.0 / 5.0
$54,400 home value, $815/mo rent
F
Education
1.1 / 5.0
1.4% bachelor's degree or higher
Willisville experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 31°F in January while summers reach 77°F in July. Annual precipitation totals 43.4 inches. The area receives 7.3 inches of snow annually.
Temperature
31°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 55.1°F |
| 2% above US avg | |
| January Average | 31°F (-1°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 495 ft (151 m) |
| Area | 0.2 sq mi (0.4 km²) |
| Population Density | 1,067/sq mi |
| Coordinates | 37.9828°N, 89.5898°W |
| Timezone | America/Chicago |
| County | Jackson County County |
| Nearest Airport | Farmington Regional (FAM) 46 miles away |
Precipitation & Snow
Air Quality
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 | 31°F (-1°C) | 2.8 in | Coldest |
| February | 35°F (2°C) | 2.4 in | Driest |
| March | 44°F (7°C) | 3.8 in | |
| April | 55°F (13°C) | 5.0 in | |
| May | 65°F (18°C) | 5.4 in | Wettest |
| June | 73°F (23°C) | 4.2 in | |
| July | 77°F (25°C) | 3.6 in | Warmest |
| August | 75°F (24°C) | 2.9 in | |
| September | 68°F (20°C) | 3.5 in | |
| October | 57°F (14°C) | 3.2 in | |
| November | 45°F (7°C) | 3.8 in | |
| December | 35°F (2°C) | 2.8 in |
Willisville has a seasonal temperature swing of 46°F / from 31°F in January to 77°F in July. Total annual precipitation is 43.4 inches, with May being the wettest month (5.4") and February the driest (2.4").