Big Horn County climate

Big Horn County Weather in July

NOAA 1991-2020 normals for Greybull, 6.3 km from Big Horn County

Average highs run from 87°F on July 1 to 92°F on July 31, and lows from 53°F to 56°F. Normal precipitation for the month is 0.47 in over about 4 wet days.

July day by day

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

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

July at a glance

Average high
91°F
Average low
55°F
Precipitation
0.47 in
Record high
108°FJul 13, 2002
Record low
44°FJul 7, 2010
Chance of a freeze
0%
Days of 90°F or more
19.9
Daylight
15 h 30 min to 14 h 40 min
Cloud cover
44%
Humidity
40%
Dew point
46°F
Wind
6.9 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
Jul 187°F53°F103°F 201250°F 201716%0%
Jul 287°F53°F100°F 200747°F 199916%0%
Jul 388°F53°F104°F 201253°F 201716%0%
Jul 488°F54°F101°F 200247°F 202416%0%
Jul 588°F54°F103°F 201748°F 200015%0%
Jul 689°F54°F104°F 200747°F 200415%0%
Jul 789°F54°F101°F 201844°F 201015%0%
Jul 889°F54°F107°F 200248°F 201015%0%
Jul 990°F55°F104°F 200546°F 200414%0%
Jul 1090°F55°F102°F 201248°F 201914%0%
Jul 1190°F55°F105°F 202652°F 201614%0%
Jul 1290°F55°F107°F 200244°F 200814%0%
Jul 1391°F55°F108°F 200247°F 200814%0%
Jul 1491°F55°F108°F 200250°F 200914%0%
Jul 1591°F56°F104°F 200648°F 202013%0%
Jul 1691°F56°F105°F 200546°F 199913%0%
Jul 1792°F56°F103°F 200353°F 199913%0%
Jul 1892°F56°F104°F 200649°F 200513%0%
Jul 1992°F56°F107°F 202153°F 200013%0%
Jul 2092°F56°F103°F 201652°F 200813%0%
Jul 2192°F56°F105°F 200753°F 200013%0%
Jul 2292°F56°F105°F 200754°F 201013%0%
Jul 2392°F56°F105°F 200354°F 200413%0%
Jul 2492°F56°F104°F 200749°F 200412%0%
Jul 2592°F56°F104°F 202651°F 200512%0%
Jul 2692°F56°F102°F 202147°F 200512%0%
Jul 2792°F56°F105°F 202147°F 200512%0%
Jul 2892°F56°F104°F 199947°F 201512%0%
Jul 2992°F56°F103°F 200646°F 201512%0%
Jul 3092°F56°F101°F 200045°F 200912%0%
Jul 3192°F56°F101°F 200049°F 200912%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Big Horn 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 (MDT).

July 1
sunrise 5:31 AM, sunset 9:01 PM
July 31
sunrise 5:58 AM, sunset 8:38 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00484080 (Greybull), public domain. Records: NOAA GHCN-Daily, station USW00024048, 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.