Average humidity in Portumna
The mean monthly relative humidity over the year in Portumna (Galway County), Ireland.
- On average, December is the most humid month, at 83.0%.
- On average, May is the least humid month, at 64.0%.
- The average annual percentage of humidity is 70%.
Forecast for Portumna
broken clouds and rain
partly cloudy and small chance of slight rain
almost clear and no rain