Mammoth Cave National Park weather in June
June in Mammoth Cave National Park: hot, rainy — a great time to visit.
#7 of 12 months in Mammoth Cave National Park · #386 of 604 destinations to visit in June · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Mammoth Cave National Park climate normals — June
| Daytime high | 29°C / 84°F | 🥵 hot |
|---|---|---|
| Nighttime low | 19°C / 66°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 132 mm / 5.2 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 62% | 💧 humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 11.4 h/day | |
| Daylight | 14.7 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 62 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Mammoth Cave National Park in June — FAQ
- Is June a good time to visit Mammoth Cave National Park?
- June in Mammoth Cave National Park: hot, rainy — a great time to visit. It ranks #7 of 12 months for Mammoth Cave National Park on SeasonMap's comfort score (76/100).
- What is the weather like in Mammoth Cave National Park in June?
- In June, Mammoth Cave National Park averages a daily high of 28.9°C and a low of 18.9°C, with about 131.7 mm of rain over roughly 11.2 rainy days.
- What is the air quality in Mammoth Cave National Park in June?
- Mammoth Cave National Park has a mean US Air Quality Index of about 62 in June.