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

In July, Indiana Dunes National Park averages 27°C high / 20°C low with about 113 mm of rain; Mammoth Cave National Park averages 33°C high / 21°C low with about 151 mm.

Indiana Dunes National Park vs Mammoth Cave National Park in July

Indiana Dunes National Park is the better pick in July — 73 vs 50 on SeasonMap's comfort score. Indiana Dunes National Park is hot, rainy, muggy air, while Mammoth Cave National Park is sweltering, soaked.

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

	🇺🇸 Indiana Dunes National Park	🇺🇸 Mammoth Cave National Park
Comfort score	73/100 (B)	50/100 (D)
Feels-like high	30°C	37°C
Avg high / low	27° / 20°	33° / 21°
Rainfall	113 mm	151 mm
Rainy days	9	11
Humidity	78%	74%
Air quality (AQI)	63	61

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

Month by month

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

Is July better in Indiana Dunes National Park or Mammoth Cave National Park?: Indiana Dunes National Park is the better pick in July — 73 vs 50 on SeasonMap's comfort score. Indiana Dunes National Park is hot, rainy, muggy air, while Mammoth Cave National Park is sweltering, soaked.
What is the weather like in Indiana Dunes National Park vs Mammoth Cave National Park in July?: In July, Indiana Dunes National Park averages 27°C high / 20°C low with about 113 mm of rain; Mammoth Cave National Park averages 33°C high / 21°C low with about 151 mm.