Average humidity in Rock Hill (SC)
The mean monthly relative humidity over the year in Rock Hill (South Carolina), the United States of America.
- On average, August is the most humid month, at 74.0%.
- On average, April is the least humid month, at 59.0%.
- The average annual percentage of humidity is 67%.
Forecast for Rock Hill (SC)
overcast and slight rain
partly cloudy and no rain
broken clouds and no rain