Marine, IL
Full City Profile · Illinois · Madison County County
4.0
/5.0
A
Great
1,181
Population
1,663/sq mi density
$76,304
Median Income
$31,785 per capita
$165,100
Home Value
$266,355 Zillow
$880
Median Rent
25.2% income on rent
58°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A+
Economy
4.5 / 5.0
$76,304 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$165,100 home value, $880/mo rent
C+
Education
2.5 / 5.0
19.1% bachelor's degree or higher
Marine enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 34°F in January while summers reach 79°F in July. Annual precipitation totals 44.5 inches. The area receives 10.2 inches of snow annually. Air quality is rated Good with a median AQI of 49.
Temperature
34°F Jan (1°C)
79°F Jul (26°C)
| Annual Average | 57.7°F |
| 7% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 523 ft (159 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 1,663/sq mi |
| Coordinates | 38.7865°N, 89.7786°W |
| Timezone | America/Chicago |
| County | Madison County County |
| Nearest Airport | St Louis Regional (ALN) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 49.0 |
| Rating | Good |
| Good Days % | 52.7% |
| Unhealthy Days | 6 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0502 ppm |
| SO₂ (Sulfur Dioxide) | 1.30 ppb |
| PM2.5 (Fine Particles) | 9.6 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.4 / 100 |
| Social Vulnerability | 25.9 / 100 |
| Community Resilience | 86.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 2.7 in | Coldest |
| February | 38°F (4°C) | 2.5 in | Driest |
| March | 48°F (9°C) | 3.4 in | |
| April | 58°F (15°C) | 5.0 in | |
| May | 68°F (20°C) | 5.2 in | Wettest |
| June | 76°F (24°C) | 4.5 in | |
| July | 79°F (26°C) | 4.4 in | Warmest |
| August | 77°F (25°C) | 3.8 in | |
| September | 70°F (21°C) | 3.3 in | |
| October | 60°F (15°C) | 3.4 in | |
| November | 48°F (9°C) | 3.6 in | |
| December | 37°F (3°C) | 2.8 in |
Marine has a seasonal temperature swing of 45°F / from 34°F in January to 79°F in July. Total annual precipitation is 44.5 inches, with May being the wettest month (5.2") and February the driest (2.5").