Average humidity in New Castle (DE)
The mean monthly relative humidity over the year in New Castle (Delaware), the United States of America.
- On average, September is the most humid month, at 71.5%.
- On average, April is the least humid month, at 61.0%.
- The average annual percentage of humidity is 67%.
Forecast for New Castle (DE)
partly cloudy and no rain
broken clouds and small chance of rain
partly cloudy and chance of rain