Las Vegas
Nevada, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Las Vegas, NV

The last month of the summer, August, is also a sweltering month in Las Vegas, Nevada, with average temperature fluctuating between 95.9°F (35.5°C) and 77.2°F (25.1°C).

Temperature

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

Humidity

In August, the average relative humidity is 22%.

Rainfall

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

Snowfall

March through November are months without snowfall.

Daylight

In August, the average length of the day in Las Vegas is 13.5h.

Sunshine

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

UV index

In Las Vegas, the average daily maximum UV index in August is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 in August interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.

What is the temperature in August in Las Vegas?

In August, in Las Vegas, Nevada, the average high-temperature is 95.9°F (35.5°C), and the average low-temperature is 77.2°F (25.1°C).

What is the average humidity in August in Las Vegas?

In Las Vegas, Nevada, the average relative humidity in August is 22%.

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

In Las Vegas, Nevada, during August, the rain falls for 5.9 days and regularly aggregates up to 0.83" (21mm) of precipitation.

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 length of the day in August is 13.5h.

What month has the most sunshine in Las Vegas?

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

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

In August, the average sunshine 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, Nevada, is 7. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.
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).

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%).

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").

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).

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

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

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).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in August / Average sunshine in August - Las Vegas, NV
  • Average daylight in August: 13.5h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in August: 12.2h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7.1h).

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

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).