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East Lynn, IL
Full City Profile · Illinois · Iroquois County County
3.8
/5.0
B+
Good
394
Population
1,459/sq mi density
$238,281
Median Income
$47,698 per capita
$588,500
Home Value
$94,889 Zillow
52°F
Avg Temperature
275 sunny days/yr
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$238,281 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$588,500 home value, /mo rent
F
Education
1.3 / 5.0
4.0% bachelor's degree or higher
East Lynn experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 26°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 40.9 inches. The area receives 20.3 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
26°F Jan (-3°C)
75°F Jul (24°C)
| Annual Average | 52.3°F |
| 3% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 696 ft (212 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 1,459/sq mi |
| Coordinates | 40.4662°N, 87.8007°W |
| Timezone | America/Chicago |
| County | Iroquois County County |
| Nearest Airport | Vermilion Regional (DNV) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 74.0 / 100 |
| Social Vulnerability | 34.0 / 100 |
| Community Resilience | 65.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 1.7 in | Coldest, Driest |
| February | 28°F (-2°C) | 1.7 in | |
| March | 39°F (4°C) | 3.0 in | |
| April | 50°F (10°C) | 3.7 in | |
| May | 62°F (17°C) | 4.2 in | Wettest |
| June | 71°F (22°C) | 4.1 in | |
| July | 75°F (24°C) | 4.1 in | Warmest |
| August | 72°F (22°C) | 3.8 in | |
| September | 66°F (19°C) | 3.2 in | |
| October | 54°F (12°C) | 3.0 in | |
| November | 41°F (5°C) | 3.1 in | |
| December | 30°F (-1°C) | 2.6 in |
East Lynn has a seasonal temperature swing of 49°F / from 26°F in January to 75°F in July. Total annual precipitation is 38.1 inches, with May being the wettest month (4.2") and January the driest (1.7").