August is a good month at Mammoth Cave — it ranks 10th of the twelve here. Expect about 31% fewer visitors than July, the park's peak — 68,409 visits on average. Days run around 90°F by afternoon and 67°F at night, with 13.6 hours of daylight.
August against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| August (this page) | Good | 68,409 | −31% | 90°F | 67°F | 0" | 13.6 h |
| February (best) | Excellent | 20,503 | −79% | 53°F | 32°F | 1.4" | 10.8 h |
| July (peak crowds) | Tough | 99,349 | peak | 91°F | 68°F | 0" | 14.5 h |
Weather figures are for the visitor center area — the Mammoth Cave station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is August a good time to visit Mammoth Cave?
It is a reasonable month — the park has stronger ones, but the records don't argue against it. August ranks 10 of 12 at Mammoth Cave on crowds, weather, daylight, and access together.
How crowded is Mammoth Cave in August?
About 68,409 recreation visits on average — 31% below July, the park's peak.
How warm is Mammoth Cave in August?
Average highs around 90°F and lows around 67°F at the Mammoth Cave station.
← Mammoth Cave in July · All months at Mammoth Cave · Mammoth Cave in September →