Naval Submarine Base New London 

Primary East Coast submarine base
1 Crystal Lake Rd, Groton, CT 06340

In Groton, the summers are warm and humid; the winters are very cold, wet, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 23°F to 80°F and is rarely below 8°F or above 87°F.
Based on the tourism score, the best time of year to visit Groton for warm-weather activities is from mid June to mid September.
Cost of Living
In Groton, CT, the overall cost of living index is 109, which is 10% lower than the Connecticut average and 9% higher than the U.S. average.
As a general rule, everyday goods and services provide an accurate measure of the general cost of goods in any given city. In the case of Groton, CT, the city’s goods and services are 2% lower than the Connecticut average and 18% higher than the U.S. average.
Getting to Know the Area
Picturesque historical villages blend with urban centers, rolling hills, stone walls, graceful shorelines, spectacular fall foliage and diverse attractions to make southeastern Connecticut a wonderful place to live. A number of area attractions highlight the historic culture of the area and provide special educational programs for both adults and children. One of the finest exhibits is the Submarine Force Museum and historical ship Nautilus tour.
Other historic attractions highlight early Native American history in the area, colonial and maritime living along the New England coast, the American struggle for independence, and steam locomotive and riverboat travel. Since nearly all of the attractions offer special events, rotating exhibits and educational programs throughout the year, you are encouraged to call or visit their websites to find out the latest information.
More than a dozen state parks and state forests in New London County provide outdoorsmen and women a wide range of activities. Enjoy hiking, camping, picnicking, saltwater and freshwater fishing, swimming, boating, horseback riding, biking, snowmobiling and cross-country skiing. Two of the parks also have historic forts and one offers tours of a historic mansion.


Check out these websites for a list of all of the great events going on in the area.