August weather in Las Vegas, NV
The average temperature in Las Vegas in August is 89.8°F (77.5°F–102.1°F). Average precipitation: 0.22 inches.
August is a summer month in Las Vegas, and is warmer than the annual average of 68.8°F. Daily temperatures swing about 24.6°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 13h 23m. For travel, August is hot.
Avg High
102.1°F
Avg Low
77.5°F
Precipitation
0.22 in
Daylight
13h 23m
August records in Las Vegas
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 114.1°F (2020) | 72.0°F (2001) | 0.25 in (2023) |
| August 2 | 109.9°F (2008) | 71.1°F (2015) | 0.04 in (2023) |
| August 3 | 109.9°F (2021) | 66.9°F (2014) | 0.28 in (2014) |
| August 4 | 111.9°F (2021) | 68.0°F (2014) | 0.35 in (2014) |
| August 5 | 113.0°F (2021) | 70.0°F (2014) | 0.04 in (2017) |
| August 6 | 114.1°F (2024) | 70.0°F (2011) | 0.00 in (2001) |
| August 7 | 109.9°F (2018) | 70.0°F (2009) | 0.00 in (2001) |
| August 8 | 109.0°F (2012) | 71.1°F (2007) | 0.04 in (2010) |
| August 9 | 111.0°F (2012) | 69.1°F (2010) | 0.03 in (2005) |
| August 10 | 109.9°F (2003) | 71.1°F (2010) | 0.08 in (2023) |
| August 11 | 111.9°F (2004) | 71.1°F (2013) | 0.81 in (2022) |
| August 12 | 111.0°F (2025) | 69.1°F (2010) | 0.06 in (2014) |
| August 13 | 111.0°F (2025) | 70.0°F (2017) | 0.07 in (2014) |
| August 14 | 111.9°F (2020) | 69.1°F (2005) | 0.14 in (2005) |
| August 15 | 114.1°F (2020) | 69.1°F (2005) | 0.00 in (2001) |
| August 16 | 114.1°F (2020) | 71.1°F (2003) | 0.04 in (2003) |
| August 17 | 114.1°F (2020) | 70.0°F (2004) | 0.48 in (2012) |
| August 18 | 115.0°F (2020) | 69.1°F (2006) | 0.65 in (2013) |
| August 19 | 114.1°F (2020) | 69.1°F (2023) | 0.27 in (2023) |
| August 20 | 114.1°F (2020) | 69.1°F (2023) | 0.57 in (2023) |
| August 21 | 109.9°F (2009) | 70.0°F (2017) | 0.08 in (2017) |
| August 22 | 106.0°F (2007) | 66.9°F (2017) | 0.58 in (2012) |
| August 23 | 108.0°F (2011) | 68.0°F (2012) | 0.05 in (2023) |
| August 24 | 111.0°F (2011) | 68.0°F (2002) | 0.12 in (2017) |
| August 25 | 111.0°F (2020) | 70.0°F (2002) | 0.24 in (2013) |
| August 26 | 109.9°F (2020) | 70.0°F (2013) | 0.15 in (2013) |
| August 27 | 109.0°F (2001) | 69.1°F (2013) | 0.87 in (2007) |
| August 28 | 109.9°F (2019) | 71.1°F (2004) | 0.12 in (2003) |
| August 29 | 109.9°F (2023) | 69.1°F (2002) | 0.02 in (2012) |
| August 30 | 109.9°F (2022) | 64.0°F (2010) | 0.08 in (2013) |
| August 31 | 111.0°F (2022) | 66.9°F (2010) | 0.27 in (2013) |