When to visit Bar Harbor & Acadia without the crowds
Bar Harbor & Acadia (Maine, United States) is calmest in January, February, March, April, November and December: fewer people and better prices. It gets busiest in June, July, August and September. Below is every month with crowds, temperatures and festivals. Careful with January, February, March, April and December: the calm has a reason (see the seasonal heads-ups).
Best months
Jun & late Oct
When everyone heads home
The second week of October, as the leaves fall.
Tip
Sunrise on Cadillac Mountain needs a reservation May to October.
Month by month
| Month | Crowds | Avg. high | Festivals & holidays |
|---|---|---|---|
| January | 2/5 · calm ⚠ | 0 °C (32 °F) | New Year's Day, Martin Luther King, Jr. Day |
| February | 1/5 · calm ⚠ | 1 °C (34 °F) | Presidents Day |
| March | 1/5 · calm ⚠ | 4 °C (39 °F) | |
| April | 1/5 · calm ⚠ | 9 °C (49 °F) | |
| May | 3/5 · moderate | 15 °C (59 °F) | Memorial Day |
| June | 4/5 · busy | 20 °C (67 °F) | Juneteenth National Independence Day |
| July | 5/5 · busy | 23 °C (74 °F) | Independence Day |
| August | 5/5 · busy | 23 °C (74 °F) | |
| September | 4/5 · busy | 20 °C (68 °F) | Labour Day |
| October | 3/5 · moderate | 14 °C (58 °F) | Fall foliage & cruise ships (Oct) |
| November | 2/5 · calm | 8 °C (46 °F) | Veterans Day, Thanksgiving Day |
| December | 1/5 · calm ⚠ | 2 °C (36 °F) | Christmas Day |
⚠ = seasonal heads-up.
Before you go: seasonal heads-ups
- Almost everything closes in winter, including the Park Loop Road (Dec–Apr).
Crowds are a relative index for each place: 1 is its calmest month and 5 its busiest. Temperatures: Copernicus ERA5, 2016–2025 average. Includes official tourism statistics (National Park Service, Acadia National Park, 2023-2025). How it works
Frequently asked questions
What is the best month to visit Bar Harbor & Acadia without the crowds?
The calmest month is usually February, March, April and December (crowds 1/5). In April the average high is 9 °C (49 °F). All the calm months: January, February, March, April, November and December.
When is Bar Harbor & Acadia most crowded?
The busiest season is June, July, August and September. The second week of October, as the leaves fall.
What is the weather like in Bar Harbor & Acadia?
Average highs range from 0 °C (32 °F) in January to 23 °C (74 °F) in July, from Copernicus ERA5 (2016–2025).
What should I know before going to Bar Harbor & Acadia?
Almost everything closes in winter, including the Park Loop Road (Dec–Apr).
What festivals are there in Bar Harbor & Acadia?
The main ones: Fall foliage & cruise ships (Oct) (October).
More places in Maine
- Portland (Maine) calm in January, February, March, April, May and December; busiest in July