Hottest (avg)
#2 / 12
Las Vegas in August
August weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 13h
What to expect
As summer continues, August brings, where the air is cooling down. Daytime highs average 38°C / 101°F, dropping to 26°C / 78°F at night.
The atmosphere is generally sunny and dry, perfect for uninterrupted outdoor plans. The sun is very strong at this time of year, making sun protection essential during the day.
August in context
How it compares to the rest of the year in Las Vegas.
Wettest (avg)
#5 / 12
Daylight Hours
#4 / 12
Windiest (avg)
#6 / 12
Highest UV
#4 / 12
Most Humid
#8 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 13.5 hours
- UV index (max)
- 9
- Typical sun hours
- 04:59 – 18:28
Rain & Snow
- Total
-
- Rainy days
- 4
- Cloud cover
- 20%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 23%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is August a good time to visit Las Vegas?
Typical August days in Las Vegas reach highs of 38°C (100°F) with nights around 26°C (79°F). It usually feels very hot by day and warm after dark. Overall, August sits in the middle of the Las Vegas climate range.
What are temperatures like in August?
In August, you can usually expect highs of 38°C (100°F) and lows near 26°C (79°F). That means very hot days and warm nights, so pack layers you can add or remove.
How much does it rain in August?
Rainfall in August averages 11 mm (0.43 in) across roughly 4 days. Overall it is a mostly dry time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in August?
You can expect about 13 hours of daylight in August. Sunrise is typically around 04:59 and sunset near 18:28. You get long days with comfortable amounts of daylight.
How strong is the sun in August?
UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.
Is it windy in August?
In August, average wind speeds are around 8 km/h (5 mph), with gusts on the windiest days reaching about 48 km/h (30 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.