Best time to visit Vanderbilt Mansion National Historic Site
May is the best balance at Vanderbilt Mansion National Historic Site: mild and dry for the park (an average high of 71°F), with busy crowds. July is busiest, with about 58,000 visitors. December is the quietest, with highs near 40°F.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
Month by month
- Station
- Poughkeepsie, NY USC00306820
- Lat / lon
- 41.73, -73.92
- Elevation
- 251 ft
- From park center
- 5 mi
- Second station
- Slide Mtn, NY 2,650 ft
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Apr | Maybest | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 35° | 39° | 47° | 60° | 71° | 78° | 83° | 82° | 74° | 62° | 51° | 40° | 60° |
| Low, °F | 19° | 20° | 27° | 38° | 49° | 58° | 63° | 62° | 54° | 42° | 33° | 25° | 41° |
| High at 2,650 ft, °F | 28° | 30° | 38° | 51° | 62° | 69° | 74° | 73° | 67° | 55° | 43° | 32° | 52° |
| Precipitation, in | 3.5 | 2.8 | 3.5 | 3.9 | 3.5 | 4.6 | 4.5 | 4.3 | 4.6 | 4.6 | 3.5 | 3.8 | 47.2 |
| Snow, in | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Daylight, h:mm | 9:27 | 10:31 | 11:48 | 13:17 | 14:31 | 15:12 | 14:56 | 13:51 | 12:26 | 11:00 | 9:46 | 9:09 | |
| Visitors, thousands | 9 | 18 | 23 | 30 | 37 | 35 | 58 | 36 | 34 | 27 | 23 | 16 | 347 |
| Crowds | Quiet | Moderate | Moderate | Moderate | Busy | Busy | Very busy | Busy | Busy | Moderate | Moderate | Quiet | |
| Weather | Cold | Cold | Cool | Mild, wet | Mild | Mild, wet | Hot | Hot | Mild, wet | Mild, wet | Cool | Cool |
| Month | High °F | Low °F | High at 2,650 ft | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|---|
| January | 35° | 19° | 28° | 3.5 | – | 9:27 | 9,400 | Quiet | Cold |
| February | 39° | 20° | 30° | 2.8 | – | 10:31 | 18,000 | Moderate | Cold |
| March | 47° | 27° | 38° | 3.5 | – | 11:48 | 23,000 | Moderate | Cool |
| April | 60° | 38° | 51° | 3.9 | – | 13:17 | 30,000 | Moderate | Mild, wet |
| Maybest | 71° | 49° | 62° | 3.5 | – | 14:31 | 37,000 | Busy | Mild |
| June | 78° | 58° | 69° | 4.6 | – | 15:12 | 35,000 | Busy | Mild, wet |
| July | 83° | 63° | 74° | 4.5 | – | 14:56 | 58,000 | Very busy | Hot |
| August | 82° | 62° | 73° | 4.3 | – | 13:51 | 36,000 | Busy | Hot |
| September | 74° | 54° | 67° | 4.6 | – | 12:26 | 34,000 | Busy | Mild, wet |
| October | 62° | 42° | 55° | 4.6 | – | 11:00 | 27,000 | Moderate | Mild, wet |
| November | 51° | 33° | 43° | 3.5 | – | 9:46 | 23,000 | Moderate | Cool |
| December | 40° | 25° | 32° | 3.8 | – | 9:09 | 16,000 | Quiet | Cool |
| Year | 60° | 41° | 52° | 47.2 | – | 347,000 | |||
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 83°F
- Coldest nights January, average low 19°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 347,000 (2023–2025 average)
- State New York
Elevation matters here: the record's second station, Slide Mtn, NY, sits at 2,650 ft, against 251 ft for Poughkeepsie, NY. Expect conditions between the two depending on where you go.
Closures, reservations and alerts: Vanderbilt Mansion National Historic Site on nps.gov
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