Portland
SpringOff season ~62°F highs
Things to do in Portland in May
May is off season (quieter, and often cheaper) to visit Portland, with average highs around 62°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.
Portland in May: quick answers
Is May a good time to visit Portland?
May is off season (quieter, and often cheaper) to visit Portland, with average highs around 62°F. Blooming parks and mild days make it easy to pack in sights.
What is the weather like in Portland in May?
Average daytime highs are around 62°F, compared with 81°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 Portland in May?
Top picks for May: Maine Maritime Museum Park, Pond Island National Wildlife Refuge, Popham Beach State Park, Wolfe's Neck Woods State Park, Bradbury Mountain State Park.
