What's on in Bar Harbor, United States through the year
Bar Harbor, United States has 7 curated events through the year — 1 festival, 2 natural spectacles, 3 seasons and 1 seasonal opening. The ones to plan around: Lobster season (June) and Fall foliage (September). June to October are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Bar Harbor events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | — | Busy |
| February | — | Quiet |
| March | — | Busy |
| April | — | Shoulder season |
| May | Cruise ship season, The CAT ferry to Nova Scotia | Busy |
| June | Lobster season | Peak crowds |
| July | Peak summer season | Peak crowds |
| August | — | Peak crowds |
| September | Fall foliage | Peak crowds |
| October | Mount Desert Island Marathon | Peak crowds |
| November | Winter shutdown | Busy |
| December | — | Busy |
January in Bar Harbor
Bar Harbor weather in January →Busy — Winter / Christmas break in United States, school holidays in 2 of the markets that fill it
Nothing new starts in January.
Still on: Winter shutdown (1 Nov – 30 Apr)
February in Bar Harbor
Bar Harbor weather in February →Quiet — travelers describe it as quiet
Nothing new starts in February.
Still on: Winter shutdown (1 Nov – 30 Apr)
March in Bar Harbor
Bar Harbor weather in March →Busy — Spring break in United States
Nothing new starts in March.
Still on: Winter shutdown (1 Nov – 30 Apr)
April in Bar Harbor
Bar Harbor weather in April →Shoulder season — an ordinary month
Nothing new starts in April.
Still on: Winter shutdown (1 Nov – 30 Apr)
May in Bar Harbor
Bar Harbor weather in May →Busy — Cruise ship season
- Season
Cruise ship season
1 May – 31 OctCruise seasonCrowdedShips tender into the harbour from May, and the heaviest calls land in September and October with the leaf cruises. The town's thousand-passenger daily cap survived court only for July and August, so the autumn days are the crowded ones. Source ↗
- Opening
The CAT ferry to Nova Scotia
14 May – 14 Oct · usuallySummer season opensBook earlyThe fast ferry to Yarmouth runs from mid-May to mid-October and takes three and a half hours across the Gulf of Maine. Outside those dates the only way to Nova Scotia is a very long drive. Source ↗
June in Bar Harbor
Bar Harbor weather in June →Peak crowds — Cruise ship season, Summer break in United States
- Nature
Lobster season
15 Jun – 15 Dec · usuallyForaging seasonMost of the Maine catch comes ashore between the summer shed and the end of autumn, and prices at the pounds follow the boats. Late summer soft-shell lobster is cheaper and sweeter than the hard-shell you get flown out of state.
Still on: Cruise ship season (1 May – 31 Oct), The CAT ferry to Nova Scotia (14 May – 14 Oct (usually))
July in Bar Harbor
Bar Harbor weather in July →Peak crowds — Cruise ship season, Peak summer season
- Season
Peak summer season
1 Jul – 31 AugSchool holidaysCrowdedBook earlyA town of five thousand hosting several million park visitors a year does most of it now. Rooms are booked months out, and the Island Explorer bus is quicker than looking for a parking space downtown.
Still on: Cruise ship season (1 May – 31 Oct), The CAT ferry to Nova Scotia (14 May – 14 Oct (usually)), Lobster season (15 Jun – 15 Dec (usually))
August in Bar Harbor
Bar Harbor weather in August →Peak crowds — travelers describe it as peak season, Cruise ship season
Nothing new starts in August.
Still on: Cruise ship season (1 May – 31 Oct), The CAT ferry to Nova Scotia (14 May – 14 Oct (usually)), Lobster season (15 Jun – 15 Dec (usually)), Peak summer season (1 Jul – 31 Aug)
September in Bar Harbor
Bar Harbor weather in September →Peak crowds — Cruise ship season, Fall foliage
- Nature
Fall foliage
28 Sep – 25 Oct · usuallyAutumn colourCrowdedMount Desert Island turns through the first half of October, later than inland Maine because the sea holds its heat. The colour and the leaf-peeping cruise calls arrive in the same fortnight.
Still on: Cruise ship season (1 May – 31 Oct), The CAT ferry to Nova Scotia (14 May – 14 Oct (usually)), Lobster season (15 Jun – 15 Dec (usually))
October in Bar Harbor
Bar Harbor weather in October →Peak crowds — Cruise ship season, Fall foliage
- Festival
Mount Desert Island Marathon
11 OctMajor festivalCrowdedClosuresA mid-October point-to-point from Bar Harbor round Somes Sound to Southwest Harbor, timed for the foliage. Island roads close in rolling sections through the morning, so plan the day on foot. Source ↗
Still on: Cruise ship season (1 May – 31 Oct), The CAT ferry to Nova Scotia (14 May – 14 Oct (usually)), Lobster season (15 Jun – 15 Dec (usually)), Fall foliage (28 Sep – 25 Oct (usually))
November in Bar Harbor
Bar Harbor weather in November →Busy — Thanksgiving break in United States
- Season
Winter shutdown
1 Nov – 30 AprOff-season shutdownClosuresMost of the hotels, restaurants and shops close for the winter and the town returns to its year-round population. What stays open is cheap, and the park is yours, but check ahead before driving up for dinner.
Still on: Lobster season (15 Jun – 15 Dec (usually))
December in Bar Harbor
Bar Harbor weather in December →Busy — Winter / Christmas break in United States, school holidays in 2 of the markets that fill it
Nothing new starts in December.
Still on: Lobster season (15 Jun – 15 Dec (usually)), Winter shutdown (1 Nov – 30 Apr)