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)
Sat Dec 28
8°C | 2°C
S 
3 m/s
3 m/s2.1 mm
overcast and rain
Sun Dec 29
11°C | 5°C
S 4 m/s
4 m/s4.9 mm
overcast and rain
Mon Dec 30
12°C | 5°C
S 8 m/s
8 m/s14 mm
partly cloudy and rain
