Average humidity in Port Isabel (TX)
The mean monthly relative humidity over the year in Port Isabel (Texas), the United States of America.
- On average, January is the most humid month, at 78.0%.
- On average, July is the least humid month, at 73.0%.
- The average annual percentage of humidity is 75%.
Forecast for Port Isabel (TX)
clear and no rain
almost clear and no rain
clear and no rain