Best time to visit Johnstown Flood National Memorial
October is the best balance at Johnstown Flood National Memorial: mild and dry for the park (an average high of 59°F), with busy crowds. May is busiest, with about 18,000 visitors. March is the quietest, with highs near 45°F.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
Month by month
- Station
- Johnstown Cambria Co AP, PA USW00004726
- Lat / lon
- 40.32, -78.83
- Elevation
- 2,284 ft
- From park center
- 3.8 mi
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Octbest | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 33° | 36° | 45° | 58° | 68° | 75° | 79° | 77° | 71° | 59° | 47° | 38° | 57° |
| Low, °F | 19° | 21° | 28° | 38° | 49° | 57° | 61° | 60° | 53° | 43° | 33° | 25° | 41° |
| Precipitation, in | 2.5 | 2.5 | 3.1 | 3.5 | 4.1 | 4.4 | 4.2 | 4.0 | 4.0 | 3.1 | 3.1 | 2.7 | 41.3 |
| Snow, in | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Daylight, h:mm | 9:35 | 10:36 | 11:49 | 13:13 | 14:24 | 15:02 | 14:47 | 13:46 | 12:25 | 11:04 | 9:53 | 9:18 | |
| Visitors, thousands | 2 | 4 | 5 | 10 | 18 | 10 | 16 | 13 | 13 | 10 | 7 | 4 | 110 |
| Crowds | Quiet | Quiet | Quiet | Moderate | Very busy | Busy | Very busy | Busy | Busy | Busy | Moderate | Quiet | |
| Weather | Cold | Cold | Cool | Mild, wet | Mild, wet | Mild, wet | Mild, wet | Mild, wet | Mild, wet | Mild | Cool | Cold |
| Month | High °F | Low °F | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|
| January | 33° | 19° | 2.5 | – | 9:35 | 2,000 | Quiet | Cold |
| February | 36° | 21° | 2.5 | – | 10:36 | 3,500 | Quiet | Cold |
| March | 45° | 28° | 3.1 | – | 11:49 | 4,600 | Quiet | Cool |
| April | 58° | 38° | 3.5 | – | 13:13 | 9,500 | Moderate | Mild, wet |
| May | 68° | 49° | 4.1 | – | 14:24 | 18,000 | Very busy | Mild, wet |
| June | 75° | 57° | 4.4 | – | 15:02 | 10,000 | Busy | Mild, wet |
| July | 79° | 61° | 4.2 | – | 14:47 | 16,000 | Very busy | Mild, wet |
| August | 77° | 60° | 4.0 | – | 13:46 | 13,000 | Busy | Mild, wet |
| September | 71° | 53° | 4.0 | – | 12:25 | 13,000 | Busy | Mild, wet |
| Octoberbest | 59° | 43° | 3.1 | – | 11:04 | 10,000 | Busy | Mild |
| November | 47° | 33° | 3.1 | – | 9:53 | 6,600 | Moderate | Cool |
| December | 38° | 25° | 2.7 | – | 9:18 | 4,200 | Quiet | Cold |
| Year | 57° | 41° | 41.3 | – | 110,000 | |||
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 79°F
- Coldest nights January, average low 19°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 110,000 (2023–2025 average)
- State Pennsylvania
Closures, reservations and alerts: Johnstown Flood National Memorial on nps.gov
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