Cheyenne climate

Cheyenne Weather in August

NOAA 1991-2020 normals for Cheyenne 6SW Mesonet, 9.1 km from Cheyenne

Average highs run from 94°F on August 1 to 87°F on August 31, and lows from 70°F to 65°F. Normal precipitation for the month is 3.06 in.

August day by day

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

Normal daily high and low temperature at Cheyenne, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
91°F
Average low
68°F
Precipitation
3.06 in
Record high
113°FAug 12, 1936
Record low
45°FAug 21, 1956
Chance of a freeze
0%
Days of 90°F or more
19.9
Daylight
13 h 56 min to 12 h 57 min
Cloud cover
44%
Humidity
55%
Dew point
62°F
Wind
9.8 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 194°F70°F106°F 193458°F 19360%
Aug 294°F70°F108°F 194456°F 19500%
Aug 394°F70°F108°F 194355°F 19490%
Aug 494°F70°F107°F 193760°F 19490%
Aug 594°F70°F108°F 194655°F 19480%
Aug 694°F70°F110°F 195157°F 19780%
Aug 793°F70°F109°F 195155°F 19040%
Aug 893°F69°F108°F 202654°F 19970%
Aug 993°F69°F109°F 193647°F 19390%
Aug 1093°F69°F110°F 193657°F 19120%
Aug 1192°F69°F111°F 193655°F 19600%
Aug 1292°F69°F113°F 193651°F 19790%
Aug 1392°F69°F109°F 193658°F 19600%
Aug 1492°F69°F108°F 193055°F 20020%
Aug 1591°F69°F107°F 195656°F 19920%
Aug 1691°F68°F107°F 193455°F 19940%
Aug 1791°F68°F107°F 195158°F 19420%
Aug 1891°F68°F110°F 202650°F 19430%
Aug 1990°F68°F106°F 193452°F 19500%
Aug 2090°F68°F107°F 202650°F 19560%
Aug 2190°F68°F108°F 202645°F 19560%
Aug 2290°F67°F108°F 202653°F 19490%
Aug 2389°F67°F109°F 202454°F 19660%
Aug 2489°F67°F111°F 202653°F 19110%
Aug 2589°F67°F107°F 193652°F 19660%
Aug 2689°F67°F105°F 195254°F 19620%
Aug 2788°F66°F104°F 193155°F 19620%
Aug 2888°F66°F109°F 202053°F 19870%
Aug 2988°F66°F106°F 195151°F 19880%
Aug 3088°F66°F106°F 195150°F 19460%
Aug 3187°F65°F107°F 193953°F 19780%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cheyenne, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:47 AM, sunset 8:43 PM
August 31
sunrise 7:10 AM, sunset 8:07 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00341743 (Cheyenne 6SW Mesonet), public domain. Records: NOAA GHCN-Daily, station USC00342849, 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.