Average humidity in Hilo (HI)
The mean monthly relative humidity over the year in Hilo (Hawaii), the United States of America.
- On average, October is the most humid month, at 80.0%.
- On average, February is the least humid month, at 75.0%.
- The average annual percentage of humidity is 78%.
Forecast for Hilo (HI)
overcast and heavy rain
broken clouds and chance of rain
broken clouds and rain