Acadia National Park in August
In August, Acadia National Park averages a high of 78°F and a low of 60°F, with 3.5 inches of precipitation (rain plus melted snow). About 805,000 people visit, the busiest month. Days are 14 hours 02 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 78° / 60°F
- Precipitation
- 3.5in
- Snow
- –in
- Daylight
- 14h 2m
- Visitors
- 805,000
- Crowds
- Very busy
Best months for weather and crowds instead: June (busy), July (very busy) and September (very busy).
Weather 1991–2020 averages at Acadia NP, ME, 2.6 miles from the park's center, 470 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Cape Cod National Seashore | 78° / 64° | Very busy | Mild |
| Boston National Historical Park | 80° / 65° | Very busy | Hot |
| Stonewall National Monument | 83° / 69° | Few or no visits | Hot |
| Gateway National Recreation Area | 82° / 68° | Very busy | Hot |
| Castle Clinton National Monument | 83° / 69° | Very busy | Hot |
Closures, reservations and alerts: Acadia National Park on nps.gov
All twelve months at Acadia · National parks to visit in August