Average humidity in Houston (TX)
The mean monthly relative humidity over the year in Houston (Texas), the United States of America.
- On average, September is the most humid month, at 77.0%.
- On average, March is the least humid month, at 73.0%.
- The average annual percentage of humidity is 75%.
Weather Forecasts for Houston (TX)
broken clouds and thunder
broken clouds and slight rain
almost clear and no rain