Average humidity in Ballycastle
The mean monthly relative humidity over the year in Ballycastle (Mayo), Ireland.
- On average, December is the most humid month, at 83.0%.
- On average, May is the least humid month, at 74.0%.
- The average annual percentage of humidity is 79%.
Weather Forecasts for Ballycastle
overcast and heavy rain
almost clear and no rain
overcast and rain