Las Vegas weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Fair
Best time to visit: February – April, October – November
What is the weather like in Las Vegas in August?
In August, Las Vegas is very hot: daytime highs average 38 °C, and even at night it stays warm at around 26 °C. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 11 mm in total. On about 30 days the thermometer climbs to 30 °C or more. All in all, August is a so-so month for a holiday in Las Vegas.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 50 | 50 | 60 |
| Day | 39° | 38° | 33° |
| Night | 26° | 26° | 21° |
| Sun | 12 h | 11 h | 11 h |
| Rain days | 3 | 3 | 1 |
More details for August
- Daylight
- 13 h 35 min05:58 – 19:33
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or more
- Wind
- 14 km/haverage daily peak
- Cloud cover
- 22 %on average
- Hot days
- 30 days30 °C or more
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Las Vegas in August: quick answers
Is Las Vegas hot in August?
Yes. In August, Las Vegas is very hot: daytime highs average 38 °C and nights stay around 26 °C. On about 30 days the thermometer climbs to 30 °C or more.
Does it rain much in Las Vegas in August?
Rain is rare: about 3 days bring 11 mm in total.
Las Vegas month by month
The whole year in Las VegasAll destinations: USAWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)