Average humidity in Williamstown
The mean monthly relative humidity over the year in Williamstown (South Australia), Australia.
- On average, June is the most humid month, at 61.0%.
- On average, February is the least humid month, at 36.0%.
- The average annual percentage of humidity is 47%.
Forecast for Williamstown
partly cloudy and small chance of rain
clear and no rain
clear and no rain