Las Vegas Weather in August
Average highs run from 106°F on August 1 to 102°F on August 31, and lows from 80°F to 75°F. Normal precipitation for the month is 0.26 in over about 2 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 104°F
- Average low
- 78°F
- Precipitation
- 0.26 in
- Record high
- 115°FAug 1, 2026
- Record low
- 64°FAug 30, 2010
- Chance of a freeze
- 0%
- Days of 90°F or more
- 30.5
- Daylight
- 13 h 58 min to 12 h 57 min
- Cloud cover
- 31%
- Humidity
- 24%
- Dew point
- 43°F
- Wind
- 7.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 106°F | 80°F | 115°F 2026 | 72°F 2001 | 6% |
| Aug 2 | 106°F | 80°F | 114°F 2026 | 71°F 2015 | 6% |
| Aug 3 | 106°F | 80°F | 113°F 2026 | 67°F 2014 | 6% |
| Aug 4 | 106°F | 80°F | 112°F 2021 | 68°F 2014 | 6% |
| Aug 5 | 106°F | 79°F | 113°F 2021 | 70°F 2014 | 6% |
| Aug 6 | 105°F | 79°F | 114°F 2024 | 70°F 2011 | 6% |
| Aug 7 | 105°F | 79°F | 110°F 2018 | 70°F 2009 | 6% |
| Aug 8 | 105°F | 79°F | 112°F 2026 | 71°F 2007 | 6% |
| Aug 9 | 105°F | 79°F | 111°F 2012 | 69°F 2010 | 6% |
| Aug 10 | 105°F | 79°F | 110°F 2003 | 71°F 2010 | 6% |
| Aug 11 | 105°F | 79°F | 112°F 2004 | 71°F 2013 | 6% |
| Aug 12 | 105°F | 79°F | 111°F 2025 | 69°F 2010 | 6% |
| Aug 13 | 105°F | 78°F | 111°F 2025 | 70°F 2017 | 6% |
| Aug 14 | 105°F | 78°F | 112°F 2020 | 69°F 2005 | 6% |
| Aug 15 | 104°F | 78°F | 114°F 2020 | 69°F 2005 | 6% |
| Aug 16 | 104°F | 78°F | 114°F 2020 | 71°F 2003 | 6% |
| Aug 17 | 104°F | 78°F | 114°F 2020 | 70°F 2004 | 6% |
| Aug 18 | 104°F | 78°F | 115°F 2020 | 69°F 2006 | 6% |
| Aug 19 | 104°F | 77°F | 114°F 2020 | 69°F 2023 | 6% |
| Aug 20 | 104°F | 77°F | 114°F 2020 | 69°F 2023 | 6% |
| Aug 21 | 104°F | 77°F | 110°F 2009 | 70°F 2017 | 6% |
| Aug 22 | 103°F | 77°F | 109°F 2026 | 67°F 2017 | 6% |
| Aug 23 | 103°F | 77°F | 109°F 2026 | 68°F 2012 | 6% |
| Aug 24 | 103°F | 76°F | 111°F 2011 | 68°F 2002 | 6% |
| Aug 25 | 103°F | 76°F | 111°F 2020 | 70°F 2002 | 6% |
| Aug 26 | 103°F | 76°F | 110°F 2020 | 70°F 2013 | 6% |
| Aug 27 | 103°F | 76°F | 109°F 2001 | 69°F 2013 | 6% |
| Aug 28 | 102°F | 75°F | 110°F 2019 | 71°F 2004 | 5% |
| Aug 29 | 102°F | 75°F | 110°F 2023 | 69°F 2002 | 5% |
| Aug 30 | 102°F | 75°F | 110°F 2022 | 64°F 2010 | 5% |
| Aug 31 | 102°F | 75°F | 111°F 2022 | 67°F 2010 | 5% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 5:48 AM, sunset 7:46 PM
- August 31
- sunrise 6:12 AM, sunset 7:09 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00265705 (N Las Vegas), public domain. Records: NOAA GHCN-Daily, station USW00053123, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.