Godfrey, IL
Full City Profile · Illinois · St. Louis city County
4.4
/5.0
A
Great
17,743
Population
516/sq mi density
$92,746
Median Income
$47,226 per capita
$181,400
Home Value
$221,003 Zillow
$1,111
Median Rent
32.2% income on rent
56°F
Avg Temperature
A
Overall
4.4 / 5.0
Strong
A+
Economy
4.6 / 5.0
$92,746 median income, 3.5% unemployment
A+
Affordability
5.0 / 5.0
$181,400 home value, $1,111/mo rent
B+
Education
3.7 / 5.0
33.4% bachelor's degree or higher
Godfrey enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 31°F in January while summers reach 79°F in July. Annual precipitation totals 39.4 inches. The area receives 16.6 inches of snow annually.
Temperature
31°F Jan (-1°C)
79°F Jul (26°C)
| Annual Average | 56.1°F |
| 4% above US avg | |
| January Average | 31°F (-1°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 544 ft (166 m) |
| Area | 36.6 sq mi (94.9 km²) |
| Population Density | 516/sq mi |
| Coordinates | 38.9529°N, 90.2225°W |
| Timezone | America/Chicago |
| County | St. Louis city County |
| Nearest Airport | St Louis Regional (ALN) 10 miles away |
Precipitation & Snow
Air Quality
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0419 ppm |
| NO₂ (Nitrogen Dioxide) | 15.1 ppb |
| SO₂ (Sulfur Dioxide) | 1.03 ppb |
| CO (Carbon Monoxide) | 0.28 ppm |
| PM2.5 (Fine Particles) | 10.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.7 / 100 |
| Social Vulnerability | 71.9 / 100 |
| Community Resilience | 61.0 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively High |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Very High |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 2.5 in | Coldest |
| February | 35°F (2°C) | 1.9 in | Driest |
| March | 45°F (7°C) | 3.1 in | |
| April | 57°F (14°C) | 4.2 in | |
| May | 67°F (19°C) | 4.6 in | Wettest |
| June | 75°F (24°C) | 4.6 in | |
| July | 79°F (26°C) | 3.7 in | Warmest |
| August | 77°F (25°C) | 3.7 in | |
| September | 69°F (21°C) | 3.0 in | |
| October | 58°F (14°C) | 2.7 in | |
| November | 45°F (7°C) | 3.2 in | |
| December | 36°F (2°C) | 2.4 in |
Godfrey has a seasonal temperature swing of 48°F / from 31°F in January to 79°F in July. Total annual precipitation is 39.4 inches, with May being the wettest month (4.6") and February the driest (1.9").