Union Grove, AL
Full City Profile · Alabama · Marshall County County
3.4
/5.0
B
Good
74
Population
132/sq mi density
$50,227
Median Income
$31,436 per capita
$185,000
Home Value
$260,425 Zillow
62°F
Avg Temperature
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$50,227 median income, 0.0% unemployment
A+
Affordability
4.6 / 5.0
$185,000 home value, /mo rent
D
Education
2.0 / 5.0
11.9% bachelor's degree or higher
Union Grove enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 42°F in January while summers reach 80°F in July. Annual precipitation totals 56.8 inches. The area receives 0.7 inches of snow annually.
Temperature
42°F Jan (5°C)
80°F Jul (27°C)
| Annual Average | 61.9°F |
| 15% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 80°F (27°C) |
Geography
| Elevation | 1,030 ft (314 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 132/sq mi |
| Coordinates | 34.4062°N, 86.4517°W |
| Timezone | America/Chicago |
| County | Marshall County County |
| Nearest Airport | Huntsville International-Carl T Jones Field (HSV) 24 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.3 / 100 |
| Social Vulnerability | 75.4 / 100 |
| Community Resilience | 39.0 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 5.3 in | Coldest |
| February | 45°F (7°C) | 5.4 in | |
| March | 53°F (12°C) | 5.7 in | |
| April | 61°F (16°C) | 5.0 in | |
| May | 70°F (21°C) | 4.6 in | |
| June | 77°F (25°C) | 4.7 in | |
| July | 80°F (27°C) | 4.3 in | Warmest |
| August | 80°F (27°C) | 4.0 in | |
| September | 75°F (24°C) | 4.2 in | |
| October | 64°F (18°C) | 3.5 in | Driest |
| November | 52°F (11°C) | 4.2 in | |
| December | 45°F (7°C) | 6.0 in | Wettest |
Union Grove has a seasonal temperature swing of 39°F / from 42°F in January to 80°F in July. Total annual precipitation is 56.8 inches, with December being the wettest month (6.0") and October the driest (3.5").