Average humidity in Mandan (ND)
The mean monthly relative humidity over the year in Mandan (North Dakota), the United States of America.
- On average, December is the most humid month, at 74.0%.
- On average, May is the least humid month, at 60.0%.
- The average annual percentage of humidity is 66%.
Weather Forecasts for Mandan (ND)
partly cloudy and no rain
overcast and thunder
broken clouds and no rain