Best time to visit Allegheny Portage Railroad National Historic Site
April is the best balance at Allegheny Portage Railroad National Historic Site: mild and dry for the park (an average high of 60°F), with very busy crowds. July is busiest, with about 22,000 visitors. November is the quietest, with highs near 49°F.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
Month by month
- Station
- Altoona 3 W, PA USC00360140
- Lat / lon
- 40.49, -78.47
- Elevation
- 1,320 ft
- From park center
- 5.1 mi
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Aprbest | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 34° | 37° | 46° | 60° | 70° | 77° | 81° | 80° | 73° | 61° | 49° | 38° | 59° |
| Low, °F | 19° | 20° | 28° | 39° | 49° | 57° | 61° | 60° | 53° | 42° | 33° | 24° | 40° |
| Precipitation, in | 2.9 | 2.6 | 3.5 | 3.8 | 4.4 | 4.2 | 4.2 | 3.9 | 4.3 | 3.8 | 3.6 | 3.4 | 44.7 |
| Snow, in | 10.1 | 11.0 | 7.6 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 1.2 | 7.6 | 38.1 |
| Daylight, h:mm | 9:35 | 10:36 | 11:49 | 13:13 | 14:24 | 15:02 | 14:47 | 13:46 | 12:25 | 11:03 | 9:53 | 9:18 | |
| Visitors, thousands | 5 | 11 | 13 | 19 | 18 | 20 | 22 | 20 | 19 | 17 | 13 | 9 | 185 |
| Crowds | Quiet | Moderate | Busy | Very busy | Very busy | Very busy | Very busy | Very busy | Very busy | Busy | Busy | Moderate | |
| Weather | Cold | Cold | Cool | Mild | Mild, wet | Mild, wet | Hot | Mild, wet | Mild, wet | Mild, wet | Cool | Cold |
| Month | High °F | Low °F | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|
| January | 34° | 19° | 2.9 | 10.1 | 9:35 | 5,300 | Quiet | Cold |
| February | 37° | 20° | 2.6 | 11.0 | 10:36 | 11,000 | Moderate | Cold |
| March | 46° | 28° | 3.5 | 7.6 | 11:49 | 13,000 | Busy | Cool |
| Aprilbest | 60° | 39° | 3.8 | 0.6 | 13:13 | 19,000 | Very busy | Mild |
| May | 70° | 49° | 4.4 | 0 | 14:24 | 18,000 | Very busy | Mild, wet |
| June | 77° | 57° | 4.2 | 0 | 15:02 | 20,000 | Very busy | Mild, wet |
| July | 81° | 61° | 4.2 | 0 | 14:47 | 22,000 | Very busy | Hot |
| August | 80° | 60° | 3.9 | 0 | 13:46 | 20,000 | Very busy | Mild, wet |
| September | 73° | 53° | 4.3 | 0 | 12:25 | 19,000 | Very busy | Mild, wet |
| October | 61° | 42° | 3.8 | 0 | 11:03 | 17,000 | Busy | Mild, wet |
| November | 49° | 33° | 3.6 | 1.2 | 9:53 | 13,000 | Busy | Cool |
| December | 38° | 24° | 3.4 | 7.6 | 9:18 | 8,800 | Moderate | Cold |
| Year | 59° | 40° | 44.7 | 38.1 | 185,000 | |||
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 81°F
- Coldest nights January, average low 19°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 185,000 (2023–2025 average)
- State Pennsylvania
Closures, reservations and alerts: Allegheny Portage Railroad National Historic Site on nps.gov
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