What is the weather like in Indiana Dunes National Park vs Mammoth Cave National Park in October?

In October, Indiana Dunes National Park averages 17°C high / 10°C low with about 123 mm of rain; Mammoth Cave National Park averages 25°C high / 10°C low with about 88 mm.

Indiana Dunes National Park vs Mammoth Cave National Park in October

Mammoth Cave National Park is the better pick in October — 85 vs 80 on SeasonMap's comfort score. Mammoth Cave National Park is warm, rainy, clean air, while Indiana Dunes National Park is cool, rainy, clean air.

Indiana Dunes National Park vs Mammoth Cave National Park — October climate, side by side

	🇺🇸 Indiana Dunes National Park	🇺🇸 Mammoth Cave National Park
Comfort score	80/100 (A)	85/100 (A)
Feels-like high	15°C	24°C
Avg high / low	17° / 10°	25° / 10°
Rainfall	123 mm	88 mm
Rainy days	11	6
Humidity	72%	68%
Air quality (AQI)	33	34

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Indiana Dunes National Park vs Mammoth Cave National Park in October — FAQ

Is October better in Indiana Dunes National Park or Mammoth Cave National Park?: Mammoth Cave National Park is the better pick in October — 85 vs 80 on SeasonMap's comfort score. Mammoth Cave National Park is warm, rainy, clean air, while Indiana Dunes National Park is cool, rainy, clean air.
What is the weather like in Indiana Dunes National Park vs Mammoth Cave National Park in October?: In October, Indiana Dunes National Park averages 17°C high / 10°C low with about 123 mm of rain; Mammoth Cave National Park averages 25°C high / 10°C low with about 88 mm.