Mammoth Cave National Park in July
In July, Mammoth Cave National Park averages a high of 91°F and a low of 68°F, with 4.9 inches of precipitation (rain plus melted snow). About 100,000 people visit, the busiest month. Days are 14 hours 29 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 91° / 68°F
- Precipitation
- 4.9in
- Snow
- 0in
- Daylight
- 14h 29m
- Visitors
- 100,000
- Crowds
- Very 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 July
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Great Smoky Mountains National Park | 83° / 63° | Very busy | Hot |
| Kennesaw Mountain National Battlefield Park | 84° / 68° | Very busy | Hot |
| Gateway Arch National Park | 89° / 69° | Very busy | Hot |
| Chattahoochee River National Recreation Area | 89° / 70° | Very busy | Hot |
| New River Gorge National Park and Preserve | 81° / 61° | Very busy | Hot |
Closures, reservations and alerts: Mammoth Cave National Park on nps.gov
All twelve months at Mammoth Cave · National parks to visit in July