Humidity & Mold in Little Rock
Little Rock, Arkansas sits in a humid subtropical climate averaging 70% relative humidity. Here is what that means for your home — and the products that actually help.
Quick answer
In Little Rock, keep indoor relative humidity between 30% and 50% (EPA guidance). A 30–35 pint dehumidifier covers most rooms up to 1,500 sq ft; a 50 pint unit with a continuous drain is better for basements. The most frequent local problems are crawlspace damp, summer mold, storm water intrusion.
Top moisture issues in Little Rock
Best dehumidifiers for Little Rock
More in Arkansas
Little Rock humidity FAQ
What is the average indoor humidity in Little Rock?
Little Rock averages about 70% relative humidity (Humid subtropical climate). Keep indoor levels between 30% and 50% RH, as recommended by the EPA, to limit mold growth.
Why does mold grow so easily in Little Rock homes?
The most common local drivers are: Crawlspace damp, Summer mold, Storm water intrusion. Mold needs moisture, an organic surface and stagnant air — controlling humidity removes the first condition.
What size dehumidifier do I need in Little Rock?
For a damp room up to 1,500 sq ft in Little Rock, a 30–35 pint unit is usually enough. For a wet basement or 2,000+ sq ft, choose a 50 pint model with a continuous drain hose.







