Monthly Average Rainy days in Groton (CT)
The number of days each month with rain, snow and hail in Groton (Connecticut), the United States of America.
- On average, May is the most rainy with 13 days of rain/snow.
- On average, September is the driest month with 9 rainy days.
- The average annual number of rainy days is 135.
Current rainfall in Groton (CT)
partly cloudy and no rain
partly cloudy and no rain
partly cloudy and rain