What is the weather like in Indianapolis vs St. Louis in August?

In August, Indianapolis averages 29°C high / 19°C low with about 94 mm of rain; St. Louis averages 31°C high / 19°C low with about 114 mm.

Indianapolis vs St. Louis in August

Indianapolis is the better pick in August — 78 vs 73 on SeasonMap's comfort score. Indianapolis is hot, rainy, while St. Louis is sweltering, rainy.

Indianapolis vs St. Louis — August climate, side by side

	🇺🇸 Indianapolis	🇺🇸 St. Louis
Comfort score	78/100 (B)	73/100 (B)
Feels-like high	32°C	34°C
Avg high / low	29° / 19°	31° / 19°
Rainfall	94 mm	114 mm
Rainy days	8	8
Humidity	72%	71%
Air quality (AQI)	54	64

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

Month by month

Indianapolis 🇺🇸 United Stateshot, rainy · best September78
St. Louis 🇺🇸 United Statessweltering, rainy · best May73

Indianapolis vs St. Louis in August — FAQ

Is August better in Indianapolis or St. Louis?: Indianapolis is the better pick in August — 78 vs 73 on SeasonMap's comfort score. Indianapolis is hot, rainy, while St. Louis is sweltering, rainy.
What is the weather like in Indianapolis vs St. Louis in August?: In August, Indianapolis averages 29°C high / 19°C low with about 94 mm of rain; St. Louis averages 31°C high / 19°C low with about 114 mm.