What is the weather like in Indiana Dunes National Park vs St. Louis in July?

In July, Indiana Dunes National Park averages 27°C high / 20°C low with about 113 mm of rain; St. Louis averages 32°C high / 20°C low with about 149 mm.

Indiana Dunes National Park vs St. Louis in July

Indiana Dunes National Park is the better pick in July — 73 vs 66 on SeasonMap's comfort score. Indiana Dunes National Park is hot, rainy, muggy air, while St. Louis is sweltering, rainy.

Indiana Dunes National Park vs St. Louis — July climate, side by side

	🇺🇸 Indiana Dunes National Park	🇺🇸 St. Louis
Comfort score	73/100 (B)	66/100 (C)
Feels-like high	30°C	36°C
Avg high / low	27° / 20°	32° / 20°
Rainfall	113 mm	149 mm
Rainy days	9	8
Humidity	78%	71%
Air quality (AQI)	63	73

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

Month by month

Indiana Dunes National Park vs St. Louis in July — FAQ

Is July better in Indiana Dunes National Park or St. Louis?: Indiana Dunes National Park is the better pick in July — 73 vs 66 on SeasonMap's comfort score. Indiana Dunes National Park is hot, rainy, muggy air, while St. Louis is sweltering, rainy.
What is the weather like in Indiana Dunes National Park vs St. Louis in July?: In July, Indiana Dunes National Park averages 27°C high / 20°C low with about 113 mm of rain; St. Louis averages 32°C high / 20°C low with about 149 mm.