Custer County climate

Custer County Weather in July

NOAA 1991-2020 normals for Wind Cave, 13.7 km from Custer County

Average highs run from 82°F on July 1 to 85°F on July 31, and lows from 54°F to 58°F. Normal precipitation for the month is 3.01 in over about 10 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 Custer County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
85°F
Average low
57°F
Precipitation
3.01 in
Record high
99°FJul 30, 2006
Record low
37°FJul 30, 2009
Chance of a freeze
0%
Days of 90°F or more
8.8
Daylight
15 h 23 min to 14 h 36 min
Cloud cover
49%
Humidity
49%
Dew point
51°F
Wind
8.3 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 182°F54°F91°F 200742°F 199933%0%
Jul 283°F54°F89°F 201246°F 201333%0%
Jul 383°F54°F92°F 201244°F 202433%0%
Jul 483°F55°F88°F 199942°F 202333%0%
Jul 583°F55°F95°F 201741°F 202332%0%
Jul 684°F55°F92°F 200738°F 200432%0%
Jul 784°F55°F97°F 200742°F 201032%0%
Jul 884°F56°F90°F 200543°F 201032%0%
Jul 984°F56°F95°F 201745°F 201032%0%
Jul 1084°F56°F89°F 201640°F 199931%0%
Jul 1185°F56°F92°F 202442°F 202531%0%
Jul 1285°F56°F91°F 202438°F 202531%0%
Jul 1385°F57°F95°F 200338°F 200831%0%
Jul 1485°F57°F94°F 202448°F 200831%0%
Jul 1585°F57°F97°F 200646°F 201031%0%
Jul 1685°F57°F96°F 200548°F 202531%0%
Jul 1785°F57°F92°F 201146°F 202531%0%
Jul 1885°F57°F97°F 200644°F 200531%0%
Jul 1985°F58°F97°F 201249°F 200031%0%
Jul 2086°F58°F95°F 201646°F 200931%0%
Jul 2186°F58°F94°F 200742°F 200931%0%
Jul 2286°F58°F91°F 202145°F 200931%0%
Jul 2386°F58°F95°F 200546°F 200431%0%
Jul 2486°F58°F95°F 200345°F 200431%0%
Jul 2586°F58°F96°F 202444°F 200431%0%
Jul 2686°F58°F93°F 202640°F 200531%0%
Jul 2786°F58°F96°F 202140°F 200531%0%
Jul 2886°F58°F97°F 200644°F 200430%0%
Jul 2986°F58°F97°F 200641°F 200930%0%
Jul 3086°F58°F99°F 200637°F 200930%0%
Jul 3185°F58°F94°F 200240°F 200930%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Custer County, 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).

July 1
sunrise 5:16 AM, sunset 8:39 PM
July 31
sunrise 5:42 AM, sunset 8:18 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00399347 (Wind Cave), public domain. Records: NOAA GHCN-Daily, station USW00094032, 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.