Average humidity in Frederick (MD)
The mean monthly relative humidity over the year in Frederick (Maryland), the United States of America.
- On average, August is the most humid month, at 69.0%.
- On average, March is the least humid month, at 58.0%.
- The average annual percentage of humidity is 64%.
Forecast for Frederick (MD)
clear and no rain
partly cloudy and chance of slight rain
broken clouds and chance of rain