Cheyenne County climate

Cheyenne County Weather in August

NOAA 1991-2020 normals for Sidney 6 Nnw, 2.4 km from Cheyenne County

Average highs run from 88°F on August 1 to 84°F on August 31, and lows from 60°F to 54°F. Normal precipitation for the month is 2.11 in over about 6 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 Cheyenne County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
86°F
Average low
57°F
Precipitation
2.11 in
Record high
104°FAug 8, 1969
Record low
35°FAug 23, 2015
Chance of a freeze
0%
Days of 90°F or more
11.1
Daylight
14 h 20 min to 13 h 08 min
Cloud cover
47%
Humidity
51%
Dew point
52°F
Wind
8.9 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 188°F60°F102°F 200447°F 196822%0%
Aug 288°F60°F103°F 200844°F 194922%0%
Aug 388°F60°F102°F 195438°F 197422%0%
Aug 488°F60°F103°F 196040°F 197422%0%
Aug 588°F59°F102°F 197943°F 198022%0%
Aug 688°F59°F103°F 201247°F 197421%0%
Aug 787°F59°F102°F 198047°F 197421%0%
Aug 887°F59°F104°F 196948°F 196521%0%
Aug 987°F59°F100°F 202048°F 196621%0%
Aug 1087°F59°F99°F 202644°F 196021%0%
Aug 1187°F58°F100°F 195943°F 201720%0%
Aug 1287°F58°F100°F 196943°F 200420%0%
Aug 1387°F58°F102°F 200742°F 200420%0%
Aug 1486°F58°F101°F 200045°F 202320%0%
Aug 1586°F58°F99°F 201544°F 202320%0%
Aug 1686°F57°F103°F 200246°F 197919%0%
Aug 1786°F57°F99°F 195942°F 196019%0%
Aug 1886°F57°F102°F 202345°F 200119%0%
Aug 1986°F57°F100°F 195239°F 197819%0%
Aug 2086°F57°F98°F 200339°F 197819%0%
Aug 2185°F56°F103°F 202343°F 195018%0%
Aug 2285°F56°F101°F 202340°F 196618%0%
Aug 2385°F56°F102°F 201135°F 201518%0%
Aug 2485°F56°F99°F 202142°F 196818%0%
Aug 2585°F55°F101°F 201139°F 196418%0%
Aug 2685°F55°F101°F 201541°F 197518%0%
Aug 2784°F55°F101°F 201040°F 196418%0%
Aug 2884°F55°F102°F 194836°F 196418%0%
Aug 2984°F54°F103°F 201242°F 197618%0%
Aug 3084°F54°F99°F 198537°F 196418%0%
Aug 3184°F54°F99°F 198540°F 196517%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cheyenne County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 5:48 AM, sunset 8:08 PM
August 31
sunrise 6:18 AM, sunset 7:26 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00257830 (Sidney 6 Nnw), public domain. Records: NOAA GHCN-Daily, station USW00024030, 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.