Average humidity in Mahwah (NJ)
The mean monthly relative humidity over the year in Mahwah (New Jersey), the United States of America.
- On average, September is the most humid month, at 68.0%.
- On average, April is the least humid month, at 55.0%.
- The average annual percentage of humidity is 63%.
Forecast for Mahwah (NJ)
broken clouds and rain
overcast and heavy rain
broken clouds and small chance of slight rain