Acadia National Park in May
In May, Acadia National Park averages a high of 65°F and a low of 45°F, with 4.5 inches of precipitation (rain plus melted snow). About 328,000 people visit, the 6th busiest of 12 (moderate). Days are 14 hours 45 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 65° / 45°F
- Precipitation
- 4.5in
- Snow
- –in
- Daylight
- 14h 45m
- Visitors
- 328,000
- Crowds
- Moderate
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 May
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Cape Cod National Seashore | 62° / 48° | Moderate | Mild |
| Boston National Historical Park | 67° / 50° | Busy | Mild |
| Stonewall National Monument | 71° / 55° | Few or no visits | Mild |
| Gateway National Recreation Area | 68° / 53° | Busy | Mild |
| Castle Clinton National Monument | 71° / 55° | Busy | Mild |
Closures, reservations and alerts: Acadia National Park on nps.gov
All twelve months at Acadia · National parks to visit in May