Johnstown Flood National Memorial in April
April at Johnstown Flood National Memorial averages a daytime high near 58°F and an overnight low around 38°F, with about 3.5" of precipitation. Visitation runs about 1× the park's average month, which makes April an average month here.
- Average low
- 38°F
- Average high
- 58°F
Range across the year: 19°F to 79°F
- Precipitation
- 3.5 in
- Daylight
- 13.1 hours
Roughly 8% of the park's yearly visitors come in April: about 12,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes April the 7th-busiest of the park's twelve months, sitting between the July peak (1.8×) and the January low (0.1×).
On our Best Time to Visit score April rates 48/100 ("Fair"). Our recommended month is June: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 48°F is cool, so layers and a shorter daylight window matter. These figures are 1991–2020 NOAA climate normals from the nearest station, about 3.7 miles from the park.
Because June, July and August together draw about 38% of annual visitors, choosing April instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 13.1 hours of daylight in April to explore — between the 9.1-hour midwinter low and the 14.9-hour summer high.
Park-wide, 2025 drew 74,977 recreation visits, down 21.8% from 95,842 in 2024.
Across the past decade overall visitation has eased about 23.5%, so April may feel a touch quieter than it once did.
How April compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| March | 45°F / 28°F | 0.4× Very quiet | 48 Fair |
| April | 58°F / 38°F | 1.0× Average | 48 Fair |
| May | 68°F / 49°F | 1.6× Busy | 47 Fair |
All twelve months at Johnstown Flood, with the best time to visit.
Things to do at Johnstown Flood in April
The National Park Service tags 4 Johnstown Flood activities for spring. Each links to the park's own page for it.
Frequently Asked Questions
April averages a daytime high near 58°F and an overnight low around 38°F at Johnstown Flood National Memorial, with about 3.5 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 3.7 miles from the park, so conditions inside the park can differ, especially at other elevations.
April is average at Johnstown Flood National Memorial (about 1.0× the average month). Our best-time score rates it "Fair" at 48/100. Our recommended month is June.
The busiest month is July and the quietest is January. April sits at about 1.0× the park's average, or 8% of annual visitation.
A typical April sees about 12,000 recreation visits at Johnstown Flood National Memorial, based on National Park Service monthly counts from 1979–2025.
Where to stay near Johnstown Flood in April
Booking a April trip to Johnstown Flood National Memorial? Compare hotels, cabins and vacation rentals near the park with live April availability and prices.
Top-rated places to stay near Johnstown Flood
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See the full ranking of the best national parks to visit in April.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.