Sublette, IL
Full City Profile · Illinois · Lee County County
3.9
/5.0
B+
Good
374
Population
935/sq mi density
$53,875
Median Income
$35,304 per capita
$132,800
Home Value
$211,670 Zillow
$635
Median Rent
31.1% income on rent
48°F
Avg Temperature
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$53,875 median income, 2.9% unemployment
A+
Affordability
5.0 / 5.0
$132,800 home value, $635/mo rent
C+
Education
2.7 / 5.0
21.7% bachelor's degree or higher
Sublette experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 20°F in January while summers reach 72°F in July. Annual precipitation totals 38.0 inches. The area receives 28.9 inches of snow annually.
Temperature
20°F Jan (-7°C)
72°F Jul (22°C)
| Annual Average | 48.2°F |
| 11% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 923 ft (281 m) |
| Area | 1.6 sq mi (4.1 km²) |
| Population Density | 935/sq mi |
| Coordinates | 41.6430°N, 89.2289°W |
| Timezone | America/Chicago |
| County | Lee County County |
| Nearest Airport | Illinois Valley Regional-Walter A Duncan Field (VYS) 21 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 54.4 / 100 |
| Social Vulnerability | 23.2 / 100 |
| Community Resilience | 82.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 1.8 in | Coldest |
| February | 25°F (-4°C) | 1.7 in | Driest |
| March | 36°F (2°C) | 2.4 in | |
| April | 48°F (9°C) | 3.5 in | |
| May | 60°F (15°C) | 4.6 in | |
| June | 69°F (20°C) | 5.2 in | Wettest |
| July | 72°F (22°C) | 4.3 in | Warmest |
| August | 70°F (21°C) | 4.0 in | |
| September | 63°F (17°C) | 3.3 in | |
| October | 51°F (11°C) | 2.8 in | |
| November | 38°F (3°C) | 2.5 in | |
| December | 26°F (-3°C) | 2.0 in |
Sublette has a seasonal temperature swing of 52°F / from 20°F in January to 72°F in July. Total annual precipitation is 38.0 inches, with June being the wettest month (5.2") and February the driest (1.7").