Cape Cod National Seashore in May
In May, Cape Cod National Seashore averages a high of 62°F and a low of 48°F, with 3.3 inches of precipitation (rain plus melted snow). About 332,000 people visit, the 5th busiest of 12 (moderate). Days are 14 hours 32 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 62° / 48°F
- Precipitation
- 3.3in
- Snow
- –in
- Daylight
- 14h 32m
- Visitors
- 332,000
- Crowds
- Moderate
May is one of the best months to visit: mild weather with moderate crowds.
Weather 1991–2020 averages at Chatham Muni AP, MA, 25.5 miles from the park's center, 68 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in May
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Boston National Historical Park | 67° / 50° | Busy | Mild |
| Acadia National Park | 65° / 45° | Moderate | Mild, wet |
| Gateway National Recreation Area | 68° / 53° | Busy | Mild |
| Stonewall National Monument | 71° / 55° | Few or no visits | Mild |
| Castle Clinton National Monument | 71° / 55° | Busy | Mild |
Closures, reservations and alerts: Cape Cod National Seashore on nps.gov
All twelve months at Cape Cod National Seashore · National parks to visit in May