Las Vegas Weather in August
August in Las Vegas brings extremely high temperatures, with daytime highs of 39°C (102°F) and nights around 26°C (79°F). Only 12 mm (0.5 in) of rainfall is typical, making it a largely dry month.
Rainfall in Las Vegas in August
Typically around 3 days of rainfall are expected, averaging 12 mm (0.5 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Las Vegas in August
August in Las Vegas sees highs of 39°C (102°F) and lows of 26°C (79°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Las Vegas in August
With approximately 364 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Las Vegas in August
Wind speeds average 4 m/s (8 knots) during August. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.August in Las Vegas has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Las Vegas's climate page.
Las Vegas Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
39°C (102°F)
Chance of Rain
10%
Precipitation
12 mm (0.5 in)
Rainy days
3 days
Humidity
26%
Windspeed
4 m/s (8 knots)
Sunshine
364 hours
Percentage Sunshine
88%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Las Vegas typically stay consistent throughout August, with daily highs averaging around 39°C (102°F). Nights are warm, with lows typically ranging from 25°C (77°F) to 28°C (82°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Las Vegas in August
Browse day-by-day weather records for Las Vegas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Las Vegas historical weather extremes in August
Based on weather observations in Las Vegas between 1976 and 2025, these are the recorded extremes during August.
- The warmest day in August was on August 1, 1979, with a maximum of 46°C (115°F).
- The lowest overnight temperature recorded in August was 17°C (63°F) (August 13, 1988).
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
perfect weather
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What to Wear in Las Vegas in August
Get ready for hot weather in August! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Las Vegas in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Las Vegas's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Las Vegas climate overview or explore weather in the United States of America.
