Custer County climate

Custer County Weather in April

NOAA 1991-2020 normals for Clinton, 15.5 km from Custer County

Average highs run from 70°F on April 1 to 77°F on April 30, and lows from 42°F to 50°F. Normal precipitation for the month is 2.63 in over about 6 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.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
74°F
Average low
45°F
Precipitation
2.63 in
Record high
102°FApr 12, 1972
Record low
20°FApr 13, 1957
Chance of a freeze
88%
Daylight
12 h 36 min to 13 h 37 min
Cloud cover
55%
Humidity
61%
Dew point
44°F
Wind
13.0 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 170°F42°F95°F 194626°F 195419%
Apr 271°F42°F90°F 195024°F 197519%
Apr 371°F42°F86°F 198521°F 197519%
Apr 471°F42°F90°F 194225°F 194519%
Apr 571°F43°F91°F 196722°F 194519%
Apr 672°F43°F98°F 195424°F 194519%
Apr 772°F43°F90°F 194626°F 193819%
Apr 872°F43°F91°F 196324°F 193819%
Apr 972°F43°F88°F 198125°F 197320%
Apr 1073°F44°F95°F 197225°F 195220%
Apr 1173°F44°F97°F 197226°F 199520%
Apr 1273°F44°F102°F 197222°F 199720%
Apr 1373°F44°F93°F 197220°F 195720%
Apr 1474°F45°F94°F 195626°F 195720%
Apr 1574°F45°F92°F 194028°F 198320%
Apr 1674°F45°F94°F 193727°F 196120%
Apr 1774°F46°F95°F 195533°F 195620%
Apr 1874°F46°F93°F 198732°F 195321%
Apr 1975°F46°F92°F 198729°F 193921%
Apr 2075°F47°F93°F 196130°F 195321%0%
Apr 2175°F47°F91°F 195534°F 196621%0%
Apr 2275°F47°F97°F 195530°F 195921%0%
Apr 2376°F48°F96°F 198934°F 195121%0%
Apr 2476°F48°F94°F 198934°F 196822%0%
Apr 2576°F48°F95°F 198938°F 199522%0%
Apr 2676°F49°F92°F 197136°F 194522%0%
Apr 2776°F49°F94°F 194632°F 197322%0%
Apr 2877°F49°F90°F 195134°F 196522%0%
Apr 2977°F50°F92°F 196235°F 196123%0%
Apr 3077°F50°F92°F 195933°F 199623%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.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 7:22 AM, sunset 7:58 PM
April 30
sunrise 6:45 AM, sunset 8:22 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00341909 (Clinton), public domain. Records: NOAA GHCN-Daily, station USC00341909, 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.