Opdyke, IL
Full City Profile · Illinois · Jefferson County County
3.6
/5.0
B+
Good
263
Population
496/sq mi density
$61,250
Median Income
$25,151 per capita
$59,200
Home Value
$129,300 Zillow
55°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$61,250 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$59,200 home value, /mo rent
D
Education
1.9 / 5.0
11.1% bachelor's degree or higher
Opdyke 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 45.0 inches. The area receives 10.4 inches of snow annually.
Temperature
30°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 54.5°F |
| 1% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 515 ft (157 m) |
| Area | 0.5 sq mi (1.4 km²) |
| Population Density | 496/sq mi |
| Coordinates | 38.2582°N, 88.7898°W |
| Timezone | America/Chicago |
| County | Jefferson County County |
| Nearest Airport | Evansville Regional (EVV) 70 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.2 / 100 |
| Social Vulnerability | 52.8 / 100 |
| Community Resilience | 79.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.6 in | Coldest, Driest |
| February | 34°F (1°C) | 2.6 in | |
| March | 44°F (7°C) | 4.0 in | |
| April | 55°F (13°C) | 5.0 in | |
| May | 64°F (18°C) | 5.1 in | Wettest |
| June | 73°F (23°C) | 4.8 in | |
| July | 77°F (25°C) | 3.8 in | Warmest |
| August | 75°F (24°C) | 3.3 in | |
| September | 68°F (20°C) | 3.4 in | |
| October | 56°F (13°C) | 3.5 in | |
| November | 44°F (7°C) | 4.0 in | |
| December | 35°F (1°C) | 2.9 in |
Opdyke has a seasonal temperature swing of 46°F / from 30°F in January to 77°F in July. Total annual precipitation is 45.0 inches, with May being the wettest month (5.1") and January the driest (2.6").