Decatur, MS
Full City Profile · Mississippi · Newton County County
3.2
/5.0
B
Good
2,025
Population
368/sq mi density
$47,258
Median Income
$20,142 per capita
$125,800
Home Value
$173,461 Zillow
$826
Median Rent
25.4% income on rent
63°F
Avg Temperature
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
C
Economy
2.1 / 5.0
$47,258 median income, 6.9% unemployment
A+
Affordability
5.0 / 5.0
$125,800 home value, $826/mo rent
C+
Education
2.6 / 5.0
20.2% bachelor's degree or higher
Decatur enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 45°F in January while summers reach 80°F in July. Annual precipitation totals 58.2 inches. The area receives 0.4 inches of snow annually.
Temperature
45°F Jan (7°C)
80°F Jul (26°C)
| Annual Average | 63.2°F |
| 17% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 80°F (26°C) |
Geography
| Elevation | 404 ft (123 m) |
| Area | 5.6 sq mi (14.4 km²) |
| Population Density | 368/sq mi |
| Coordinates | 32.4340°N, 89.1112°W |
| Timezone | America/Chicago |
| County | Newton County County |
| Nearest Airport | Jackson-Medgar Wiley Evers International (JAN) 57 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 52.5 / 100 |
| Social Vulnerability | 94.4 / 100 |
| Community Resilience | 32.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 5.5 in | Coldest |
| February | 49°F (10°C) | 5.5 in | |
| March | 56°F (13°C) | 5.6 in | |
| April | 63°F (17°C) | 6.2 in | Wettest |
| May | 71°F (21°C) | 4.1 in | |
| June | 77°F (25°C) | 4.7 in | |
| July | 80°F (26°C) | 5.2 in | Warmest |
| August | 79°F (26°C) | 4.6 in | |
| September | 74°F (23°C) | 3.2 in | Driest |
| October | 64°F (18°C) | 3.8 in | |
| November | 53°F (12°C) | 4.4 in | |
| December | 48°F (9°C) | 5.4 in |
Decatur has a seasonal temperature swing of 34°F / from 45°F in January to 80°F in July. Total annual precipitation is 58.2 inches, with April being the wettest month (6.2") and September the driest (3.2").