Olive Branch, IL
Full City Profile · Illinois · Alexander County County
2.9
/5.0
C+
Fair
441
Population
47/sq mi density
$27,250
Median Income
$23,592 per capita
$58,700
Home Value
$80,718 Zillow
58°F
Avg Temperature
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.3 / 5.0
$27,250 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$58,700 home value, /mo rent
F
Education
1.4 / 5.0
4.8% bachelor's degree or higher
Olive Branch 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. Annual precipitation totals 47.9 inches. The area receives 7.2 inches of snow annually.
Temperature
35°F Jan (1°C)
79°F Jul (26°C)
| Annual Average | 57.7°F |
| 7% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 404 ft (123 m) |
| Area | 9.7 sq mi (25.0 km²) |
| Population Density | 47/sq mi |
| Coordinates | 37.1837°N, 89.3495°W |
| Timezone | America/Chicago |
| County | Alexander County County |
| Nearest Airport | Cairo Regional (CIR) 11 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 44.1 / 100 |
| Social Vulnerability | 86.8 / 100 |
| Community Resilience | 42.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| 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 | 35°F (1°C) | 3.5 in | Coldest |
| February | 39°F (4°C) | 3.3 in | |
| March | 48°F (9°C) | 4.7 in | |
| April | 58°F (14°C) | 5.2 in | |
| May | 68°F (20°C) | 5.3 in | Wettest |
| June | 76°F (25°C) | 3.8 in | |
| July | 79°F (26°C) | 3.9 in | Warmest |
| August | 77°F (25°C) | 3.2 in | Driest |
| September | 70°F (21°C) | 3.6 in | |
| October | 59°F (15°C) | 3.6 in | |
| November | 47°F (8°C) | 4.3 in | |
| December | 38°F (3°C) | 3.6 in |
Olive Branch has a seasonal temperature swing of 45°F / from 35°F in January to 79°F in July. Total annual precipitation is 47.9 inches, with May being the wettest month (5.3") and August the driest (3.2").