Average humidity in Boulder (CO)
The mean monthly relative humidity over the year in Boulder (Colorado), the United States of America.
- On average, December is the most humid month, at 56.0%.
- On average, July is the least humid month, at 46.0%.
- The average annual percentage of humidity is 52%.
Weather Forecasts for Boulder (CO)
overcast and chance of sleet
broken clouds and rain
broken clouds and snow