Best time to visit Assateague Island National Seashore
April, May and November are the best balance at Assateague Island National Seashore: mild and dry for the park (average highs 60° to 72°F), with crowds from quiet to moderate. July is busiest, with about 462,000 visitors. December is the quietest, with highs near 52°F.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
Month by month
- Station
- Assateague, MD USC00180335
- Lat / lon
- 38.07, -75.21
- Elevation
- 10 ft
- From park center
- 2.5 mi
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Aprbest | Maybest | Jun | Jul | Aug | Sep | Oct | Novbest | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 47° | 48° | 54° | 63° | 72° | 81° | 86° | 85° | 80° | 72° | 60° | 52° | 67° |
| Low, °F | 31° | 33° | 37° | 45° | 54° | 63° | 68° | 68° | 64° | 53° | 42° | 35° | 49° |
| Precipitation, in | 3.4 | 3.3 | 4.2 | 3.4 | 3.2 | 3.5 | 4.2 | 4.2 | 4.5 | 3.9 | 3.0 | 4.0 | 44.9 |
| Snow, in | 1.8 | 1.0 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 3.4 |
| Daylight, h:mm | 9:47 | 10:43 | 11:50 | 13:08 | 14:12 | 14:47 | 14:34 | 13:38 | 12:23 | 11:08 | 10:04 | 9:32 | |
| Visitors, thousands | 51 | 53 | 87 | 147 | 198 | 363 | 462 | 410 | 236 | 150 | 113 | 49 | 2,320 |
| Crowds | Quiet | Quiet | Quiet | Moderate | Moderate | Busy | Very busy | Very busy | Moderate | Moderate | Quiet | Quiet | |
| Weather | Cool | Cool | Cool | Mild | Mild | Hot | Hot | Hot | Hot | Mild, wet | Mild | Cool |
| Month | High °F | Low °F | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|
| January | 47° | 31° | 3.4 | 1.8 | 9:47 | 51,000 | Quiet | Cool |
| February | 48° | 33° | 3.3 | 1.0 | 10:43 | 53,000 | Quiet | Cool |
| March | 54° | 37° | 4.2 | 0.4 | 11:50 | 87,000 | Quiet | Cool |
| Aprilbest | 63° | 45° | 3.4 | 0 | 13:08 | 147,000 | Moderate | Mild |
| Maybest | 72° | 54° | 3.2 | 0 | 14:12 | 198,000 | Moderate | Mild |
| June | 81° | 63° | 3.5 | 0 | 14:47 | 363,000 | Busy | Hot |
| July | 86° | 68° | 4.2 | 0 | 14:34 | 462,000 | Very busy | Hot |
| August | 85° | 68° | 4.2 | 0 | 13:38 | 410,000 | Very busy | Hot |
| September | 80° | 64° | 4.5 | 0 | 12:23 | 236,000 | Moderate | Hot |
| October | 72° | 53° | 3.9 | 0 | 11:08 | 150,000 | Moderate | Mild, wet |
| Novemberbest | 60° | 42° | 3.0 | 0 | 10:04 | 113,000 | Quiet | Mild |
| December | 52° | 35° | 4.0 | 0.2 | 9:32 | 49,000 | Quiet | Cool |
| Year | 67° | 49° | 44.9 | 3.4 | 2,320,000 | |||
Year: average high and low, total precipitation and snowfall, total visitors. T = trace (under 0.05 in). – = not measured at this station. Updated .
- Hottest July, average high 86°F
- Coldest nights January, average low 31°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 2,320,000 (2023–2025 average)
- States Virginia and Maryland
Closures, reservations and alerts: Assateague Island National Seashore on nps.gov
Nearby
- Colonial National Historical ParkBest: Mar, Apr and Nov · Virginia
- George Washington Birthplace National MonumentBest: Mar, Apr and Nov · Virginia
- Fort Washington ParkBest: Apr and Nov · Maryland
- Piscataway ParkBest: Apr, Oct and Nov · Maryland