What is the weather like in Chicago vs San Francisco in July?

In July, Chicago averages 28°C high / 20°C low with about 117 mm of rain; San Francisco averages 19°C high / 13°C low with about 0 mm.

Chicago vs San Francisco in July

San Francisco is the better pick in July — 93 vs 76 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Chicago is hot, rainy, muggy air.

Chicago vs San Francisco — July climate, side by side

	Chicago	San Francisco
Comfort score	76/100 (B)	93/100 (S)
Feels-like high	31°C	19°C
Avg high / low	28° / 20°	19° / 13°
Rainfall	117 mm	0 mm
Rainy days	9	0
Humidity	76%	76%
Air quality (AQI)	62	37

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

Chicago vs San Francisco in July — FAQ

Is July better in Chicago or San Francisco?: San Francisco is the better pick in July — 93 vs 76 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Chicago is hot, rainy, muggy air.
What is the weather like in Chicago vs San Francisco in July?: In July, Chicago averages 28°C high / 20°C low with about 117 mm of rain; San Francisco averages 19°C high / 13°C low with about 0 mm.