Grant County climate

Grant County Weather in August

NOAA 1991-2020 normals for Sheridan, 3.3 km from Grant County

Average highs run from 93°F on August 1 to 90°F on August 31, and lows from 70°F to 67°F. Normal precipitation for the month is 2.88 in over about 5 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 Grant County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
92°F
Average low
69°F
Precipitation
2.88 in
Record high
111°FAug 4, 2011
Record low
46°FAug 30, 1986
Chance of a freeze
0%
Days of 90°F or more
20.9
Daylight
13 h 50 min to 12 h 55 min
Cloud cover
46%
Humidity
65%
Dew point
67°F
Wind
3.8 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 193°F70°F106°F 201252°F 197120%0%
Aug 293°F70°F104°F 201158°F 194820%0%
Aug 393°F70°F107°F 201156°F 197620%0%
Aug 493°F70°F111°F 201153°F 197420%0%
Aug 593°F70°F104°F 195651°F 191219%0%
Aug 693°F70°F108°F 201153°F 194819%0%
Aug 793°F70°F107°F 201155°F 195719%0%
Aug 892°F70°F108°F 195452°F 199019%0%
Aug 992°F70°F107°F 194354°F 198919%0%
Aug 1092°F70°F109°F 194355°F 198919%0%
Aug 1192°F70°F108°F 194358°F 196519%0%
Aug 1292°F69°F108°F 194349°F 196719%0%
Aug 1392°F69°F108°F 194348°F 196719%0%
Aug 1492°F69°F108°F 194350°F 196719%0%
Aug 1592°F69°F108°F 194354°F 199218%0%
Aug 1692°F69°F109°F 194348°F 199218%0%
Aug 1792°F69°F109°F 194348°F 199218%0%
Aug 1892°F69°F105°F 202551°F 199218%0%
Aug 1991°F69°F105°F 202552°F 194318%0%
Aug 2091°F69°F106°F 202651°F 194318%0%
Aug 2191°F69°F108°F 198050°F 194018%0%
Aug 2291°F68°F102°F 202350°F 195618%0%
Aug 2391°F68°F105°F 202651°F 195617%0%
Aug 2491°F68°F105°F 194356°F 198017%0%
Aug 2591°F68°F108°F 194351°F 196617%0%
Aug 2690°F68°F109°F 194354°F 196617%0%
Aug 2790°F68°F106°F 194351°F 194517%0%
Aug 2890°F67°F109°F 194349°F 196717%0%
Aug 2990°F67°F109°F 194347°F 198617%0%
Aug 3090°F67°F108°F 200046°F 198617%0%
Aug 3190°F67°F108°F 200047°F 194617%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grant County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:21 AM, sunset 8:11 PM
August 31
sunrise 6:42 AM, sunset 7:37 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00036562 (Sheridan), public domain. Records: NOAA GHCN-Daily, station USC00030582, 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.