All Countries
Sigel, IL
Full City Profile · Illinois · Effingham County County
3.3
/5.0
B
Good
476
Population
1,700/sq mi density
$84,861
Median Income
$28,376 per capita
$161,500
Home Value
$213,243 Zillow
$663
Median Rent
15.6% income on rent
54°F
Avg Temperature
293 sunny days/yr
412
Violent Crime/100K
3,241 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$84,861 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$161,500 home value, $663/mo rent
F
Safety
1.0 / 5.0
412 violent crimes/100K (8% above avg)
C
Education
2.4 / 5.0
17.8% bachelor's degree or higher
Sigel experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 28°F in January while summers reach 76°F in July. The area gets 293 sunny days per year. Annual precipitation totals 41.9 inches. Air quality is rated Good with a median AQI of 43.
Temperature
28°F Jan (-2°C)
76°F Jul (24°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 637 ft (194 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 1,700/sq mi |
| Coordinates | 39.2255°N, 88.4947°W |
| Timezone | America/Chicago |
| County | Effingham County County |
| Nearest Airport | Lawrenceville-Vincennes International (LWV) 57 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0488 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 53.8 / 100 |
| Social Vulnerability | 23.0 / 100 |
| Community Resilience | 95.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively 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 | 28°F (-2°C) | 2.1 in | Coldest, Driest |
| February | 31°F (-0°C) | 2.2 in | |
| March | 42°F (6°C) | 3.6 in | |
| April | 53°F (12°C) | 3.8 in | |
| May | 63°F (17°C) | 4.1 in | |
| June | 72°F (22°C) | 4.1 in | |
| July | 76°F (24°C) | 4.2 in | Warmest, Wettest |
| August | 74°F (23°C) | 3.2 in | |
| September | 67°F (20°C) | 3.2 in | |
| October | 56°F (13°C) | 2.9 in | |
| November | 43°F (6°C) | 3.7 in | |
| December | 32°F (0°C) | 3.2 in |
Sigel has a seasonal temperature swing of 48°F / from 28°F in January to 76°F in July. Total annual precipitation is 40.2 inches, with July being the wettest month (4.2") and January the driest (2.1").