Las Vegas climate

Las Vegas Weather in August

NOAA 1991-2020 normals for Las Vegas Wwtp, 3.1 km from Las Vegas

Average highs run from 85°F on August 1 to 83°F on August 31, and lows from 52°F to 48°F. Normal precipitation for the month is 3.12 in over about 10 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Las Vegas, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
50°F
Precipitation
3.12 in
Record high
99°FAug 26, 2020
Record low
39°FAug 16, 1998
Chance of a freeze
0%
Days of 90°F or more
5.4
Daylight
13 h 56 min to 12 h 57 min
Cloud cover
49%
Humidity
51%
Dew point
50°F
Wind
7.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 185°F52°F93°F 201244°F 197133%0%
Aug 285°F52°F94°F 201246°F 197133%0%
Aug 385°F52°F97°F 202645°F 199033%0%
Aug 485°F52°F95°F 202346°F 197433%0%
Aug 585°F52°F96°F 202347°F 194933%0%
Aug 685°F51°F92°F 195646°F 197633%0%
Aug 785°F51°F94°F 202441°F 199033%0%
Aug 885°F51°F92°F 201145°F 197133%0%
Aug 985°F51°F93°F 201147°F 201332%0%
Aug 1085°F51°F94°F 199245°F 195132%0%
Aug 1185°F51°F93°F 202043°F 195132%0%
Aug 1285°F51°F93°F 202046°F 198032%0%
Aug 1385°F51°F92°F 202046°F 196632%0%
Aug 1485°F51°F93°F 202046°F 200232%0%
Aug 1585°F51°F93°F 200046°F 194232%0%
Aug 1685°F51°F93°F 200039°F 199831%0%
Aug 1784°F50°F90°F 201945°F 196731%0%
Aug 1884°F50°F93°F 202344°F 196031%0%
Aug 1984°F50°F93°F 201945°F 200430%0%
Aug 2084°F50°F94°F 198646°F 197930%0%
Aug 2184°F50°F93°F 202444°F 198030%0%
Aug 2284°F50°F91°F 200744°F 196729%0%
Aug 2384°F49°F91°F 200740°F 197429%0%
Aug 2484°F49°F91°F 202144°F 196828%0%
Aug 2584°F49°F93°F 201941°F 196628%0%
Aug 2684°F49°F99°F 202045°F 194428%0%
Aug 2784°F49°F91°F 202040°F 199227%0%
Aug 2883°F48°F92°F 201943°F 199227%0%
Aug 2983°F48°F91°F 201942°F 197626%0%
Aug 3083°F48°F91°F 201340°F 194426%0%
Aug 3183°F48°F91°F 201141°F 194426%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Las Vegas, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 6:09 AM, sunset 8:05 PM
August 31
sunrise 6:32 AM, sunset 7:29 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00294862 (Las Vegas Wwtp), public domain. Records: NOAA GHCN-Daily, station USW00023054, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.