What is the weather like in Chicago vs Seattle in August?

In August, Chicago averages 28°C high / 20°C low with about 78 mm of rain; Seattle averages 25°C high / 15°C low with about 12 mm.

Chicago vs Seattle in August

Seattle is the better pick in August — 95 vs 81 on SeasonMap's comfort score. Seattle is warm, dry, clean air, while Chicago is hot, a little rain.

Chicago vs Seattle — August climate, side by side

	Chicago	Seattle
Comfort score	81/100 (A)	95/100 (S)
Feels-like high	31°C	25°C
Avg high / low	28° / 20°	25° / 15°
Rainfall	78 mm	12 mm
Rainy days	8	2
Humidity	74%	67%
Air quality (AQI)	56	44

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

Chicago vs Seattle in August — FAQ

Is August better in Chicago or Seattle?: Seattle is the better pick in August — 95 vs 81 on SeasonMap's comfort score. Seattle is warm, dry, clean air, while Chicago is hot, a little rain.
What is the weather like in Chicago vs Seattle in August?: In August, Chicago averages 28°C high / 20°C low with about 78 mm of rain; Seattle averages 25°C high / 15°C low with about 12 mm.