Mammoth Cave National Park in April
In April, Mammoth Cave National Park averages a high of 73°F and a low of 48°F, with 4.9 inches of precipitation (rain plus melted snow). About 65,000 people visit, the 6th busiest of 12 (busy). Days are 13 hours 06 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 73° / 48°F
- Precipitation
- 4.9in
- Snow
- 0in
- Daylight
- 13h 6m
- Visitors
- 65,000
- Crowds
- Busy
Best months for weather and crowds instead: October (moderate) and November (moderate).
Weather 1991–2020 averages at Mammoth Cave, KY, 4.2 miles from the park's center, 760 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in April
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Great Smoky Mountains National Park | 69° / 42° | Busy | Mild, wet |
| Kennesaw Mountain National Battlefield Park | 72° / 48° | Very busy | Mild |
| Gateway Arch National Park | 68° / 46° | Moderate | Mild, wet |
| Chattahoochee River National Recreation Area | 73° / 49° | Very busy | Mild |
| New River Gorge National Park and Preserve | 64° / 41° | Moderate | Mild, wet |
Closures, reservations and alerts: Mammoth Cave National Park on nps.gov
All twelve months at Mammoth Cave · National parks to visit in April