What is the weather like in Las Vegas vs San Diego in August?

In August, Las Vegas averages 40°C high / 27°C low with about 9 mm of rain; San Diego averages 26°C high / 20°C low with about 5 mm.

Las Vegas vs San Diego in August

San Diego is the better pick in August — 93 vs 40 on SeasonMap's comfort score. San Diego is hot, dry, muggy air, while Las Vegas is sweltering, dry, clean air.

Las Vegas vs San Diego — August climate, side by side

	Las Vegas	San Diego
Comfort score	40/100 (F)	93/100 (S)
Feels-like high	39°C	29°C
Avg high / low	40° / 27°	26° / 20°
Rainfall	9 mm	5 mm
Rainy days	1	1
Humidity	25%	79%
Air quality (AQI)	48	51

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

Las Vegas vs San Diego in August — FAQ

Is August better in Las Vegas or San Diego?: San Diego is the better pick in August — 93 vs 40 on SeasonMap's comfort score. San Diego is hot, dry, muggy air, while Las Vegas is sweltering, dry, clean air.
What is the weather like in Las Vegas vs San Diego in August?: In August, Las Vegas averages 40°C high / 27°C low with about 9 mm of rain; San Diego averages 26°C high / 20°C low with about 5 mm.