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Olmsted, IL
Full City Profile · Illinois · Pulaski County County
2.5
/5.0
C+
Fair
257
Population
76/sq mi density
$34,375
Median Income
$21,068 per capita
$775
Median Rent
23.8% income on rent
58°F
Avg Temperature
305 sunny days/yr
3,527
Violent Crime/100K
6,512 property/100K
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.3 / 5.0
$34,375 median income, 0.0% unemployment
A
Affordability
4.1 / 5.0
F
Safety
1.0 / 5.0
3,527 violent crimes/100K (828% above avg)
F
Education
1.5 / 5.0
5.7% bachelor's degree or higher
Olmsted enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 35°F in January while summers reach 79°F in July. The area gets 305 sunny days per year. Annual precipitation totals 49.4 inches. The area receives 7.2 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
35°F Jan (1°C)
79°F Jul (26°C)
| Annual Average | 57.9°F |
| 7% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 393 ft (120 m) |
| Area | 1.4 sq mi (3.5 km²) |
| Population Density | 76/sq mi |
| Coordinates | 37.1824°N, 89.0840°W |
| Timezone | America/Chicago |
| County | Pulaski County County |
| Nearest Airport | Cairo Regional (CIR) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 49.1 / 100 |
| Social Vulnerability | 82.4 / 100 |
| Community Resilience | 16.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 3.2 in | Coldest |
| February | 37°F (3°C) | 3.5 in | |
| March | 47°F (8°C) | 4.8 in | |
| April | 57°F (14°C) | 4.7 in | |
| May | 66°F (19°C) | 5.0 in | Wettest |
| June | 75°F (24°C) | 3.9 in | |
| July | 79°F (26°C) | 3.7 in | Warmest |
| August | 77°F (25°C) | 3.6 in | |
| September | 70°F (21°C) | 3.5 in | |
| October | 59°F (15°C) | 3.1 in | Driest |
| November | 48°F (9°C) | 4.3 in | |
| December | 38°F (3°C) | 4.3 in |
Olmsted has a seasonal temperature swing of 44°F / from 35°F in January to 79°F in July. Total annual precipitation is 47.5 inches, with May being the wettest month (5.0") and October the driest (3.1").