What is the weather like in Phoenix vs San Diego in July?

In July, Phoenix averages 43°C high / 30°C low with about 15 mm of rain; San Diego averages 25°C high / 19°C low with about 1 mm.

Phoenix vs San Diego in July

San Diego is the better pick in July — 92 vs 29 on SeasonMap's comfort score. San Diego is warm, dry, muggy air, while Phoenix is sweltering, dry.

Phoenix vs San Diego — July climate, side by side

	Phoenix	San Diego
Comfort score	29/100 (F)	92/100 (S)
Feels-like high	43°C	27°C
Avg high / low	43° / 30°	25° / 19°
Rainfall	15 mm	1 mm
Rainy days	2	1
Humidity	30%	78%
Air quality (AQI)	65	51

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

Phoenix vs San Diego in July — FAQ

Is July better in Phoenix or San Diego?: San Diego is the better pick in July — 92 vs 29 on SeasonMap's comfort score. San Diego is warm, dry, muggy air, while Phoenix is sweltering, dry.
What is the weather like in Phoenix vs San Diego in July?: In July, Phoenix averages 43°C high / 30°C low with about 15 mm of rain; San Diego averages 25°C high / 19°C low with about 1 mm.