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State Line, MS
Full City Profile · Mississippi · Washington County County
1.9
/5.0
D
Poor
853
Population
200/sq mi density
$54,600
Home Value
$135,056 Zillow
64°F
Avg Temperature
308 sunny days/yr
D
Overall
1.9 / 5.0
Below average overall score based on economy, affordability, safety and education
C+
Safety
2.5 / 5.0
0 violent crimes/100K
F
Education
1.3 / 5.0
4.2% bachelor's degree or higher
State Line enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 47°F in January while summers reach 81°F in July. The area gets 308 sunny days per year. Air quality is rated Good with a median AQI of 43.
Temperature
47°F Jan (8°C)
81°F Jul (27°C)
| Annual Average | 64.4°F |
| 19% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 308 days/yr |
Geography
| Elevation | 256 ft (78 m) |
| Area | 4.3 sq mi (11.1 km²) |
| Population Density | 200/sq mi |
| Coordinates | 31.4361°N, 88.4735°W |
| Timezone | America/Chicago |
| County | Washington County County |
| Nearest Airport | Hattiesburg/Laurel Regional (PIB) 51 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 45.6 / 100 |
| Social Vulnerability | 78.8 / 100 |
| Community Resilience | 60.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 5.5 in | Coldest |
| February | 51°F (10°C) | 5.7 in | |
| March | 58°F (15°C) | 6.7 in | Wettest |
| April | 64°F (18°C) | 4.8 in | |
| May | 72°F (22°C) | 5.2 in | |
| June | 78°F (25°C) | 4.5 in | |
| July | 81°F (27°C) | 6.1 in | Warmest |
| August | 80°F (27°C) | 4.8 in | |
| September | 76°F (24°C) | 4.5 in | |
| October | 65°F (19°C) | 3.2 in | Driest |
| November | 57°F (14°C) | 4.5 in | |
| December | 50°F (10°C) | 5.9 in |
State Line has a seasonal temperature swing of 34°F / from 47°F in January to 81°F in July. Total annual precipitation is 61.3 inches, with March being the wettest month (6.7") and October the driest (3.2").