August is a good month at Acadia — it ranks 10th of the twelve here. It is also the park's busiest month, averaging 798,914 visits — come early in the day and hold your plans loosely. Days run around 78°F by afternoon and 60°F at night, with 14 hours of daylight.
August against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| August (this page) | Good | 798,914 | peak | 78°F | 60°F | — | 14 h |
| April (best) | Excellent | 101,703 | −87% | 53°F | 35°F | — | 13.4 h |
Weather figures are for the Bar Harbor area — the Acadia NP station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is August a good time to visit Acadia?
It is a reasonable month — the park has stronger ones, but the records don't argue against it. August ranks 10 of 12 at Acadia on crowds, weather, daylight, and access together.
How crowded is Acadia in August?
August is the park's busiest month — about 798,914 recreation visits on average.
How warm is Acadia in August?
Average highs around 78°F and lows around 60°F at the Acadia NP station.
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