Average humidity in Groton (CT)
The mean monthly relative humidity over the year in Groton (Connecticut), the United States of America.
- On average, September is the most humid month, at 72.0%.
- On average, April is the least humid month, at 58.0%.
- The average annual percentage of humidity is 66%.
Forecast for Groton (CT)
partly cloudy and no rain
partly cloudy and no rain
partly cloudy and rain