Pearl River, LA
Full City Profile · Louisiana · St. Tammany Parish County
3.7
/5.0
B+
Good
2,614
Population
701/sq mi density
$60,521
Median Income
$37,558 per capita
$229,200
Home Value
$234,975 Zillow
$1,056
Median Rent
32.7% income on rent
68°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$60,521 median income, 3.0% unemployment
A+
Affordability
4.6 / 5.0
$229,200 home value, $1,056/mo rent
C+
Education
2.6 / 5.0
20.2% bachelor's degree or higher
Pearl River enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 51°F in January while summers reach 82°F in July. Annual precipitation totals 61.9 inches. The area receives 0.1 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
51°F Jan (11°C)
82°F Jul (28°C)
| Annual Average | 67.7°F |
| 25% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 82°F (28°C) |
Geography
| Elevation | 26 ft (8 m) |
| Area | 1.5 sq mi (3.8 km²) |
| Population Density | 701/sq mi |
| Coordinates | 30.3714°N, 89.7504°W |
| Timezone | America/Chicago |
| County | St. Tammany Parish County |
| Nearest Airport | Louis Armstrong New Orleans International (MSY) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 80.4% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0416 ppm |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.6 / 100 |
| Social Vulnerability | 34.0 / 100 |
| Community Resilience | 93.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 5.6 in | Coldest |
| February | 55°F (13°C) | 4.1 in | |
| March | 61°F (16°C) | 4.9 in | |
| April | 67°F (19°C) | 5.2 in | |
| May | 74°F (24°C) | 5.5 in | |
| June | 80°F (27°C) | 6.1 in | |
| July | 82°F (28°C) | 7.3 in | Warmest, Wettest |
| August | 82°F (28°C) | 7.0 in | |
| September | 78°F (26°C) | 4.1 in | |
| October | 69°F (21°C) | 3.7 in | Driest |
| November | 59°F (15°C) | 3.9 in | |
| December | 54°F (12°C) | 4.5 in |
Pearl River has a seasonal temperature swing of 31°F / from 51°F in January to 82°F in July. Total annual precipitation is 61.9 inches, with July being the wettest month (7.3") and October the driest (3.7").