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Wenona, IL
Full City Profile · Illinois · Marshall County County
2.9
/5.0
C+
Fair
1,006
Population
1,359/sq mi density
$40,921
Median Income
$29,942 per capita
$88,900
Home Value
$116,633 Zillow
$785
Median Rent
27.9% income on rent
53°F
Avg Temperature
275 sunny days/yr
202
Violent Crime/100K
3,437 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$40,921 median income, 0.6% unemployment
A+
Affordability
5.0 / 5.0
$88,900 home value, $785/mo rent
F
Safety
1.0 / 5.0
202 violent crimes/100K
C+
Education
2.6 / 5.0
19.6% bachelor's degree or higher
Wenona experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 76°F in July. The area gets 275 sunny days per year. Annual precipitation totals 38.4 inches. The area receives 24.6 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
26°F Jan (-3°C)
76°F Jul (24°C)
| Annual Average | 52.6°F |
| 3% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 688 ft (210 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 1,359/sq mi |
| Coordinates | 41.0487°N, 89.0523°W |
| Timezone | America/Chicago |
| County | Marshall County County |
| Nearest Airport | Illinois Valley Regional-Walter A Duncan Field (VYS) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 27.2 / 100 |
| Social Vulnerability | 45.7 / 100 |
| Community Resilience | 92.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 1.5 in | Coldest |
| February | 27°F (-3°C) | 1.5 in | Driest |
| March | 38°F (3°C) | 2.8 in | |
| April | 50°F (10°C) | 3.7 in | |
| May | 61°F (16°C) | 4.0 in | Wettest |
| June | 71°F (22°C) | 4.0 in | |
| July | 76°F (24°C) | 3.9 in | Warmest |
| August | 72°F (22°C) | 3.5 in | |
| September | 65°F (18°C) | 3.7 in | |
| October | 53°F (12°C) | 2.7 in | |
| November | 40°F (4°C) | 2.9 in | |
| December | 27°F (-3°C) | 2.3 in |
Wenona has a seasonal temperature swing of 50°F / from 26°F in January to 76°F in July. Total annual precipitation is 36.5 inches, with May being the wettest month (4.0") and February the driest (1.5").