FallOff season ~51°F highs

Things to do in Groton in November

November is off season (quieter, and often cheaper) to visit Groton, with average highs around 51°F. Crisp air and changing leaves make parks and viewpoints shine.

Plan a November weekend Where else in November

Best picks for November

What's famous here, weighted toward what shines in November.

USS Nautilus

world's first nuclear-powered submarine

2Foliage walks

Connecticut College Arboretum

Private, Open To Public Without Fee

3Foliage walks

Gillette Castle State Park

state park

Holidays in November 2026

Veterans Day · Wed, Nov 11
Thanksgiving Day · Thu, Nov 26

Expect busier roads and pricier stays around these dates. See long weekends.

Groton in November: quick answers

Is November a good time to visit Groton?

November is off season (quieter, and often cheaper) to visit Groton, with average highs around 51°F. Crisp air and changing leaves make parks and viewpoints shine.

What is the weather like in Groton in November?

Average daytime highs are around 51°F, compared with 80°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.

What are the best things to do in Groton in November?

Top picks for November: USS Nautilus, Connecticut College Arboretum, Gillette Castle State Park, Hammonasset Beach State Park, Harkness Memorial State Park.