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Cottage Grove, TN
Full City Profile · Tennessee · Henry County County
2.7
/5.0
C+
Fair
59
Population
347/sq mi density
$38,750
Median Income
$25,785 per capita
$137,500
Home Value
$258,977 Zillow
58°F
Avg Temperature
299 sunny days/yr
300
Violent Crime/100K
900 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$38,750 median income, 6.5% unemployment
A+
Affordability
4.7 / 5.0
$137,500 home value, /mo rent
F
Safety
1.0 / 5.0
300 violent crimes/100K
C
Education
2.4 / 5.0
17.1% bachelor's degree or higher
Cottage Grove enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 36°F in January while summers reach 78°F in July. The area gets 299 sunny days per year. Annual precipitation totals 55.0 inches. The area receives 5.2 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
36°F Jan (2°C)
78°F Jul (26°C)
| Annual Average | 58.0°F |
| 7% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 540 ft (165 m) |
| Area | 0.2 sq mi (0.5 km²) |
| Population Density | 347/sq mi |
| Coordinates | 36.3782°N, 88.4790°W |
| Timezone | America/Chicago |
| County | Henry County County |
| Nearest Airport | Everett-Stewart Regional (UCY) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.7 / 100 |
| Social Vulnerability | 82.2 / 100 |
| Community Resilience | 31.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| 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 Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 3.9 in | Coldest |
| February | 39°F (4°C) | 4.5 in | |
| March | 48°F (9°C) | 5.2 in | |
| April | 58°F (14°C) | 5.0 in | |
| May | 66°F (19°C) | 4.8 in | |
| June | 74°F (24°C) | 4.1 in | |
| July | 78°F (26°C) | 4.6 in | Warmest |
| August | 77°F (25°C) | 3.8 in | |
| September | 71°F (22°C) | 3.9 in | |
| October | 59°F (15°C) | 3.4 in | Driest |
| November | 48°F (9°C) | 5.0 in | |
| December | 39°F (4°C) | 5.3 in | Wettest |
Cottage Grove has a seasonal temperature swing of 42°F / from 36°F in January to 78°F in July. Total annual precipitation is 53.2 inches, with December being the wettest month (5.3") and October the driest (3.4").