Groton (CT) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Groton (Connecticut). The numbers are calculated over a 30-year period to provide a reliable average.
- A lot of rain (rainy season) falls in the months: March, June, September, October and December.
- On average, December is the wettest month with 128 mm of precipitation.
- On average, November is the driest month with 93 mm of precipitation.
- The average amount of annual precipitation is 1244 mm.
Current rainfall in Groton (CT)
Sun Nov 24
10°C | 4°C
W 
32 km/h
32 km/h
partly cloudy and no rain
Mon Nov 25
10°C | 2°C
NW 22 km/h
22 km/h
partly cloudy and no rain
Tue Nov 26
14°C | 4°C
SW 22 km/h
22 km/h3.4 mm
partly cloudy and rain
