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The Weather in Las Vegas in August

Updated: May 11, 2024

This post covers the weather in August in Las Vegas, including what to expect with temperatures and rainfall.

August in Las Vegas is very hot with a lot of sun and little rainfall.


Afternoon high temperatures tend to average 104-106 F (40-41 C) early in the month, falling slightly to 99-102 F (47-39 C) near the end of the month. 

A few of the hotter afternoons, especially early in August, can reach up near 110 F (43 C). 

The record high temperature in Las Vegas during August is 116 F (46.7 C).

Late-night and early-morning lows tend to be near 80 F (27 C) early in the month, falling to about 76 F (24 C) near the end of the month. 

A few of the more comfortable mornings, especially later in the month, can dip down near 69 F (21 C). 

The record low temperature in Las Vegas during August is 56 F (13.3 C).

Sun and Rain

Las Vegas in August offers lots of sun with little rain risk. Expect, on average, about 22 sunny, 6 partly sunny, and only 3 cloudy days.

Rain is sparse, with measurable rainfall occurring only on 3 days, on average, with rainfalls of 0.5 inches (13 mm) or more occurring only about once every 5 years. 


The number of daylight hours this month decreases gradually from just under 14 hours on the 1st to just under 13 hours by the 31st.


The wind in Las Vegas this month is mostly light to gentle, averaging 4-12 mph (6-19 kph) but briefly can be moderate at 13-18 mph (20-28 kph).

What to Wear in Las Vegas in August?

Summer in Las Vegas can be very hot with a large range in temperature between the mild early morning hours and the very hot mid-afternoons. 

Light summer attire is recommended such as shorts, sandals, skirts, T-shirts, sundresses, and tank tops but keep in mind there are specific dress codes for casinos, restaurants, bars, and nightclubs. 

Don’t forget your sunscreen, sunglasses, and a good pair of walking shoes. 

Things to Do in Las Vegas in August

If you thought it was hot in July, August is likely to be even warmer, so this might not be the best time to take a free walking tour in Las Vegas.

Even so, some tourists may still want to consider this activity.

Anyone looking to beat the heat will have plenty of events to attend, as there are always dozens of great concerts to see in Las Vegas each month.

There are also a lot of great theatrical events such as Cirque du Soleil.

Alternatively, you might also enjoy a comedy performance from one of the famous comedians in residence such as Carrot Top and Terry Fator.

If all else fails, you can't beat a magic show from some of the most well-known magicians in the world such as Criss Angel and David Copperfield.

For more ideas, check out our full post covering things to do in Las Vegas.

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About The Author

Fred Pickhardt

Fred is a marine meteorologist and sailed briefly with American Export Lines in the Far East trade. He has extensive experience in weather analysis, weather forecasting, and forensic weather event reconstructions. Fred founded Ocean Weather Services and currently provides forensic marine weather reports to the maritime industry.
Updated: May 11th, 2024
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