Thebes, IL
Full City Profile · Illinois · Alexander County County
3.0
/5.0
B
Good
363
Population
207/sq mi density
$41,250
Median Income
$14,686 per capita
$45,000
Home Value
$127,760 Zillow
$475
Median Rent
15.0% income on rent
58°F
Avg Temperature
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.5 / 5.0
$41,250 median income, 8.5% unemployment
A+
Affordability
5.0 / 5.0
$45,000 home value, $475/mo rent
D
Education
1.6 / 5.0
7.6% bachelor's degree or higher
Thebes enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 35°F in January while summers reach 79°F in July. Annual precipitation totals 47.9 inches. The area receives 7.5 inches of snow annually.
Temperature
35°F Jan (1°C)
79°F Jul (26°C)
| Annual Average | 57.7°F |
| 7% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 447 ft (136 m) |
| Area | 1.8 sq mi (4.5 km²) |
| Population Density | 207/sq mi |
| Coordinates | 37.2124°N, 89.4507°W |
| Timezone | America/Chicago |
| County | Alexander County County |
| Nearest Airport | Cape Girardeau Regional (CGI) 8 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 44.1 / 100 |
| Social Vulnerability | 86.8 / 100 |
| Community Resilience | 42.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 3.5 in | Coldest |
| February | 39°F (4°C) | 3.3 in | |
| March | 48°F (9°C) | 4.7 in | |
| April | 58°F (14°C) | 5.2 in | |
| May | 68°F (20°C) | 5.3 in | Wettest |
| June | 76°F (25°C) | 3.8 in | |
| July | 79°F (26°C) | 3.9 in | Warmest |
| August | 77°F (25°C) | 3.2 in | Driest |
| September | 70°F (21°C) | 3.6 in | |
| October | 59°F (15°C) | 3.6 in | |
| November | 47°F (8°C) | 4.3 in | |
| December | 38°F (3°C) | 3.6 in |
Thebes has a seasonal temperature swing of 45°F / from 35°F in January to 79°F in July. Total annual precipitation is 47.9 inches, with May being the wettest month (5.3") and August the driest (3.2").