October weather forecast
Mammoth Cave National Park, KY

October is embraced with an authentic autumn feel as temperatures continue to fall, reaching a high of around 70°F (21.1°C). The season brings an enticing palette of fall colors, set against shorter daylight hours. Rainfall continues to nourish the park, maintaining its vivid appeal despite the diminishing warmth. With a dwindling UV index, sun protection becomes less of a concern for visitors. October's weather offers a unique blend of warm days and cool nights, making it an inviting month for outdoor activities.

Temperature

Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 80.6°F (27°C) to a pleasant 69.8°F (21°C). Mammoth Cave National Park's nighttime temperatures in October reflect a stark contrast to the day's highs, falling to an average low of 44.6°F (7°C).

Rainfall

The month with the least rainfall is October, when the rain falls for 8 days and typically collects 2.95" (75mm) of precipitation.

Daylight

In Mammoth Cave National Park, the average length of the day in October is 11h and 13min.
On the first day of October, sunrise is at 6:40 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:47 pm CDT.

Sunshine

In October, the average sunshine is 7h.

UV index

In Mammoth Cave National Park, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 5 in October suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.