What is the weather like in Chicago vs San Antonio in August?

In August, Chicago averages 28°C high / 20°C low with about 78 mm of rain; San Antonio averages 37°C high / 24°C low with about 52 mm.

Chicago vs San Antonio in August

Chicago is the better pick in August — 81 vs 50 on SeasonMap's comfort score. Chicago is hot, a little rain, while San Antonio is sweltering, a little rain, clean air.

Chicago vs San Antonio — August climate, side by side

	Chicago	San Antonio
Comfort score	81/100 (A)	50/100 (D)
Feels-like high	31°C	40°C
Avg high / low	28° / 20°	37° / 24°
Rainfall	78 mm	52 mm
Rainy days	8	4
Humidity	74%	62%
Air quality (AQI)	56	47

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

Chicago vs San Antonio in August — FAQ

Is August better in Chicago or San Antonio?: Chicago is the better pick in August — 81 vs 50 on SeasonMap's comfort score. Chicago is hot, a little rain, while San Antonio is sweltering, a little rain, clean air.
What is the weather like in Chicago vs San Antonio in August?: In August, Chicago averages 28°C high / 20°C low with about 78 mm of rain; San Antonio averages 37°C high / 24°C low with about 52 mm.