Avg. Humidity: 76%
Humidity & Mold in Louisiana
Louisiana is one of the most humid states in the US, with New Orleans averaging 76% RH year-round. High water tables, frequent flooding and subtropical heat make mold endemic. French Quarter historic homes are especially vulnerable.
76%
Avg. Humidity
Humid subtropical
Climate
Very High
Humidity Level
4.6M
Population
Top Moisture Issues in Louisiana
Post-hurricane mold
Crawl space moisture
Historic home dampness
Bayou flooding
Expert Tips for Louisiana Homeowners
1
Encapsulate crawl spaces with vapor barriers
2
Use a 70+ pint dehumidifier in crawl spaces
3
Begin drying within 24h of flooding
4
Install sump pumps in low-lying areas
5
Use mold-resistant drywall for renovations
