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

In October, Indiana Dunes National Park averages 17°C high / 10°C low with about 123 mm of rain; St. Louis averages 22°C high / 8°C low with about 71 mm.

Indiana Dunes National Park vs St. Louis in October

St. Louis is the better pick in October — 84 vs 80 on SeasonMap's comfort score. St. Louis is nice, a little rain, clean air, while Indiana Dunes National Park is cool, rainy, clean air.

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

	🇺🇸 Indiana Dunes National Park	🇺🇸 St. Louis
Comfort score	80/100 (A)	84/100 (A)
Feels-like high	15°C	20°C
Avg high / low	17° / 10°	22° / 8°
Rainfall	123 mm	71 mm
Rainy days	11	6
Humidity	72%	66%
Air quality (AQI)	33	36

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

Month by month

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

Is October better in Indiana Dunes National Park or St. Louis?: St. Louis is the better pick in October — 84 vs 80 on SeasonMap's comfort score. St. Louis is nice, a little rain, clean air, while Indiana Dunes National Park is cool, rainy, clean air.
What is the weather like in Indiana Dunes National Park vs St. Louis in October?: In October, Indiana Dunes National Park averages 17°C high / 10°C low with about 123 mm of rain; St. Louis averages 22°C high / 8°C low with about 71 mm.