What is the weather like in Las Vegas vs Phoenix in August?

In August, Las Vegas averages 40°C high / 27°C low with about 9 mm of rain; Phoenix averages 41°C high / 29°C low with about 23 mm.

Las Vegas vs Phoenix in August

Las Vegas is the better pick in August — 40 vs 34 on SeasonMap's comfort score. Las Vegas is sweltering, dry, clean air, while Phoenix is sweltering, dry.

Las Vegas vs Phoenix — August climate, side by side

	🇺🇸 Las Vegas	🇺🇸 Phoenix
Comfort score	40/100 (F)	34/100 (F)
Feels-like high	39°C	43°C
Avg high / low	40° / 27°	41° / 29°
Rainfall	9 mm	23 mm
Rainy days	1	4
Humidity	25%	35%
Air quality (AQI)	48	52

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

Month by month

Las Vegas 🇺🇸 United Statessweltering, dry, clean air · best March40
Phoenix 🇺🇸 United Statessweltering, dry · best March34

Las Vegas vs Phoenix in August — FAQ

Is August better in Las Vegas or Phoenix?: Las Vegas is the better pick in August — 40 vs 34 on SeasonMap's comfort score. Las Vegas is sweltering, dry, clean air, while Phoenix is sweltering, dry.
What is the weather like in Las Vegas vs Phoenix in August?: In August, Las Vegas averages 40°C high / 27°C low with about 9 mm of rain; Phoenix averages 41°C high / 29°C low with about 23 mm.