August weather forecast
Las Vegas, NV

A night aerial view of the Las Vegas strip in Nevada, USA
A night aerial view of the Las Vegas strip in Nevada, USA

Weather in August

The last month of the summer, August, is another very hot month in Las Vegas, Nevada, with temperature in the range of an average high of 95.9°F (35.5°C) and an average low of 77.2°F (25.1°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still torrid 95.9°F (35.5°C). The average low-temperature, in Las Vegas, Nevada, is 77.2°F (25.1°C).

Humidity

In August, the average relative humidity is 22%.

Rainfall

In Las Vegas, in August, during 5.9 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in Las Vegas, there are 57.5 rainfall days, and 6.02" (153mm) of precipitation is accumulated.

Snowfall

In Las Vegas, snow does not fall in March through November.

Daylight

In August, the average length of the day is 13h and 29min.
On the first day of the month, sunrise is at 5:47 am and sunset at 7:45 pm. On the last day of August, in Las Vegas, sunrise is at 6:11 am and sunset at 7:09 pm PDT.

Sunshine

With an average of 12.2h of sunshine, August has the most sunshine of the year in Las Vegas.

UV index

In August, the average daily maximum UV index in Las Vegas is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 7 in August transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in August in Las Vegas?

In August, the average relative humidity is 22%.

How many days does it rain in August in Las Vegas?

In Las Vegas, in August, during 5.9 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

When it does not snow in Las Vegas?

March through November are months without snowfall in Las Vegas.

How many hours of daylight does Las Vegas have in August?

The average day length in August is 13h and 29min.

When are sunrise and sunset in August in Las Vegas?

In August, on the first day of the month, sunrise is at 5:47 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:09 pm PDT.

What month has the most sunshine in Las Vegas?

The month with the most sunshine in Las Vegas is August, with an average of 12.2h of sunshine.

How many hours of sunshine does Las Vegas have in August?

The average sunshine duration in August in Las Vegas, Nevada, is 12.2h.

What is the UV index intensity in August in Las Vegas?

The average daily maximum UV index in August in Las Vegas is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Las Vegas, NV

Average temperature in August - Las Vegas, NV
  • Average high temperature in August: 95.9°F

The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (50°F).

  • Average low temperature in August: 77.2°F

The month with the highest average low temperature is July (77.7°F).
The coldest month (with the lowest average low temperature) is December (37.9°F).

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Average pressure in August
Las Vegas, NV

Average pressure in August - Las Vegas, NV
  • Average pressure in August: 29.83"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).

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Average wind speed in August
Las Vegas, NV

Average wind speed in August - Las Vegas, NV
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

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Average humidity in August
Las Vegas, NV

Average humidity in August - Las Vegas, NV
  • Average humidity in August: 22%

The month with the highest relative humidity is January (48%).
The month with the lowest relative humidity is June (15%).

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Average rainfall in August
Las Vegas, NV

Average rainfall in August - Las Vegas, NV
  • Average rainfall in August: 0.83"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in August
Las Vegas, NV

Average rainfall days in August - Las Vegas, NV
  • Average rainfall days in August: 5.9 days

The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.4 days).

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Average snowfall in August
Las Vegas, NV

Average snowfall in August - Las Vegas, NV
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Las Vegas, NV

Average snowfall days in August - Las Vegas, NV
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in August /
Average sunshine in August
Las Vegas, NV

Average daylight in August / Average sunshine in August - Las Vegas, NV
  • Average daylight in August: 13h and 29min

The month with the longest days is June (Average daylight: 14h and 35min).
The month with the shortest days is December (Average daylight: 9h and 45min).

  • Average sunshine in August: 12h and 12min

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in August
Las Vegas, NV

Average sunshine days in August - Las Vegas, NV
  • Average sunshine days in August: 20.3 days

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is July (18.1 days).

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Average UV index in August
Las Vegas, NV

Average UV index in August - Las Vegas, NV
  • Average UV index in August: 7

The months with the highest UV index are June and July (UV index 8).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in August
Las Vegas, NV

Average cloud cover in August - Las Vegas, NV
  • Average cloud cover in August: 6

The month with the most cloud cover is December (Cloud cover 20).
The months with the least cloud cover are June and August (Cloud cover 6).

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Average visibility in August
Las Vegas, NV

Average visibility in August - Las Vegas, NV
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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