Custer County climate

Custer County Weather in April

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

Average highs run from 55°F on April 1 to 61°F on April 30, and lows from 28°F to 35°F. Normal precipitation for the month is 2.32 in over about 9 wet days.

April 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.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
58°F
Average low
31°F
Precipitation
2.32 in
Snowfall
7.8 in
Record high
81°FApr 24, 2012
Record low
-4°FApr 3, 2020
Chance of a freeze
100%
Daylight
12 h 46 min to 14 h 08 min
Cloud cover
67%
Humidity
58%
Dew point
28°F
Wind
10.3 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
Apr 155°F28°F74°F 20044°F 200825%10%
Apr 255°F28°F68°F 20213°F 200226%10%
Apr 356°F28°F70°F 2021-4°F 202026%10%
Apr 456°F29°F73°F 202112°F 202326%10%
Apr 556°F29°F71°F 20067°F 202327%10%
Apr 656°F29°F67°F 20024°F 201827%10%
Apr 756°F29°F67°F 2005-4°F 200727%10%
Apr 856°F29°F74°F 20050°F 200728%10%
Apr 957°F29°F72°F 20167°F 201328%10%
Apr 1057°F30°F69°F 20068°F 201329%10%
Apr 1157°F30°F74°F 20235°F 201329%9%
Apr 1257°F30°F74°F 20035°F 200429%9%
Apr 1357°F30°F76°F 20244°F 202230%9%
Apr 1457°F30°F72°F 20027°F 202030%9%
Apr 1558°F31°F71°F 200811°F 201330%9%
Apr 1658°F31°F72°F 20259°F 202231%8%
Apr 1758°F31°F75°F 200512°F 201331%8%
Apr 1858°F31°F72°F 200112°F 201331%8%
Apr 1958°F31°F69°F 200113°F 202132%8%
Apr 2058°F32°F74°F 201910°F 202132%8%
Apr 2159°F32°F77°F 20263°F 202132%7%
Apr 2259°F32°F78°F 202610°F 201332%7%
Apr 2359°F32°F78°F 20122°F 201332%7%
Apr 2459°F33°F81°F 201219°F 201333%7%
Apr 2559°F33°F73°F 201216°F 200233%6%
Apr 2660°F33°F70°F 200119°F 200833%6%
Apr 2760°F34°F76°F 200116°F 200833%6%
Apr 2860°F34°F76°F 200119°F 200534%6%
Apr 2961°F34°F73°F 201814°F 200534%5%
Apr 3061°F35°F77°F 202018°F 200534%5%

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).

April 1
sunrise 6:35 AM, sunset 7:21 PM
April 30
sunrise 5:47 AM, sunset 7:55 PM

Every day of April: 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.