Oakdale, IL
Full City Profile · Illinois · Washington County County
3.6
/5.0
B+
Good
283
Population
179/sq mi density
$95,000
Median Income
$31,964 per capita
$95,000
Home Value
$201,332 Zillow
55°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$95,000 median income, 16.5% unemployment
A+
Affordability
5.0 / 5.0
$95,000 home value, /mo rent
C
Education
2.1 / 5.0
13.3% bachelor's degree or higher
Oakdale experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 30°F in January while summers reach 77°F in July. Annual precipitation totals 42.2 inches. The area receives 11.7 inches of snow annually.
Temperature
30°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 55.1°F |
| 2% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 519 ft (158 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 179/sq mi |
| Coordinates | 38.2648°N, 89.5035°W |
| Timezone | America/Chicago |
| County | Washington County County |
| Nearest Airport | St Louis Regional (ALN) 52 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 55.2 / 100 |
| Social Vulnerability | 42.1 / 100 |
| Community Resilience | 98.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.7 in | Coldest |
| February | 34°F (1°C) | 2.2 in | Driest |
| March | 44°F (7°C) | 3.5 in | |
| April | 56°F (13°C) | 4.6 in | |
| May | 65°F (19°C) | 4.8 in | Wettest |
| June | 74°F (23°C) | 4.7 in | |
| July | 77°F (25°C) | 3.8 in | Warmest |
| August | 76°F (24°C) | 3.1 in | |
| September | 69°F (20°C) | 3.5 in | |
| October | 58°F (14°C) | 3.2 in | |
| November | 44°F (7°C) | 3.6 in | |
| December | 35°F (2°C) | 2.7 in |
Oakdale has a seasonal temperature swing of 47°F / from 30°F in January to 77°F in July. Total annual precipitation is 42.2 inches, with May being the wettest month (4.8") and February the driest (2.2").