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Groton
SummerPeak season ~77°F highs
Things to do in Groton in August
August is one of the best months to visit Groton, with average highs around 77°F. Long days suit beaches, parks and evenings outdoors.
Best picks for August
What's famous here, weighted toward what shines in August.
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Also great in August in Connecticut
Groton in August: quick answers
Is August a good time to visit Groton?
August is one of the best months to visit Groton, with average highs around 77°F. Long days suit beaches, parks and evenings outdoors.
What is the weather like in Groton in August?
Average daytime highs are around 77°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 August?
Top picks for August: Hammonasset Beach, USS Nautilus, McCook Park Beach, Connecticut College Arboretum, Gillette Castle State Park.
