Average humidity in Louisville (KY)
The mean monthly relative humidity over the year in Louisville (Kentucky), the United States of America.
- On average, September is the most humid month, at 72.0%.
- On average, April is the least humid month, at 61.0%.
- The average annual percentage of humidity is 67%.
Forecast for Louisville (KY)
overcast and sleet
overcast and small chance of slight rain
almost clear and no rain