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

August weather forecast and Climate
Las Vegas, NV

  • Average high temperature in August: 102°F

Warmest month (with highest average high temperature) is July (104.2°F).
Month with lowest average high temperature is December (56.6°F).

  • Average low temperature in August: 79.3°F

Month with highest average low temperature is July (80.9°F).
Coldest month (with lowest average low temperature) is December (38.7°F).

  • Average humidity in August: 25.6%

Month with highest relative humidity is January (45.1%).
Month with lowest relative humidity is June (16.5%).

  • Average rainfall in August: 0.3"

Wettest month (with highest rainfall) is February (0.8").
Driest months (with lowest rainfall) are May and June (0.1").

  • Average rainfall days in August: 2.6 days

Month with highest number of rainy days is February (4 days).
Month with lowest number of rainy days is June (0.6 days).

  • Average daylight in August: 13h

Month with longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • Average sunshine in August: 11.9h

Month with most sunshine is June (Average sunshine: 13.4h).
Month with least sunshine is December (Average sunshine: 7.6h).

  • Average UV index in August: 10

Month with highest UV index is July (UV index 11).
Month with lowest UV index is December (UV index 2).