Dennis
SpringGood time to go ~63°F highs
Things to do in Dennis in May
May is a good month to visit Dennis, with average highs around 63°F. Blooming parks and mild days make it easy to pack in sights.
Best picks for May
What's famous here, weighted toward what shines in May.
Holidays in May 2027
- Memorial Day · Mon, May 31
Expect busier roads and pricier stays around these dates. See long weekends.
Dennis in May: quick answers
Is May a good time to visit Dennis?
May is a good month to visit Dennis, with average highs around 63°F. Blooming parks and mild days make it easy to pack in sights.
What is the weather like in Dennis in May?
Average daytime highs are around 63°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 Dennis in May?
Top picks for May: Cape Cod National Seashore, Monomoy National Wildlife Refuge, Nickerson State Park, Eldredge Park, Mashpee National Wildlife Refuge.
