Average humidity in Old Lyme (CT)
The mean monthly relative humidity over the year in Old Lyme (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%.
Weather Forecasts for Old Lyme (CT)
partly cloudy and no rain
broken clouds and no rain
partly cloudy and no rain