Average humidity in Dayton (OH)
The mean monthly relative humidity over the year in Dayton (Ohio), the United States of America.
- On average, December is the most humid month, at 76.0%.
- On average, April is the least humid month, at 64.0%.
- The average annual percentage of humidity is 69%.
Forecast for Dayton (OH)
broken clouds and rain
overcast and chance of rain
broken clouds and no rain