Custer County Weather in April
Average highs run from 57°F on April 1 to 66°F on April 30, and lows from 27°F to 35°F. Normal precipitation for the month is 1.65 in over about 8 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 61°F
- Average low
- 31°F
- Precipitation
- 1.65 in
- Snowfall
- 2.2 in
- Record high
- 92°FApr 21, 1980
- Record low
- 2°FApr 3, 2020
- Chance of a freeze
- 100%
- Daylight
- 12 h 49 min to 14 h 20 min
- Cloud cover
- 68%
- Humidity
- 58%
- Dew point
- 29°F
- Wind
- 11.4 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Apr 1 | 57°F | 27°F | 76°F 1991 | 4°F 2014 | 24% | 7% |
| Apr 2 | 57°F | 28°F | 80°F 1943 | 6°F 2020 | 24% | 7% |
| Apr 3 | 58°F | 28°F | 81°F 1992 | 2°F 2020 | 24% | 7% |
| Apr 4 | 58°F | 28°F | 79°F 2000 | 10°F 1982 | 25% | 7% |
| Apr 5 | 58°F | 28°F | 84°F 1991 | 6°F 1982 | 25% | 6% |
| Apr 6 | 59°F | 29°F | 84°F 1969 | 9°F 2018 | 25% | 6% |
| Apr 7 | 59°F | 29°F | 83°F 2005 | 9°F 1997 | 25% | 6% |
| Apr 8 | 59°F | 29°F | 80°F 1977 | 5°F 1997 | 26% | 6% |
| Apr 9 | 59°F | 29°F | 84°F 1996 | 15°F 2013 | 26% | 6% |
| Apr 10 | 60°F | 30°F | 80°F 2023 | 14°F 1940 | 26% | 5% |
| Apr 11 | 60°F | 30°F | 88°F 2023 | 8°F 1940 | 27% | 5% |
| Apr 12 | 60°F | 30°F | 83°F 2003 | 11°F 2020 | 27% | 5% |
| Apr 13 | 61°F | 30°F | 79°F 2017 | 12°F 2020 | 27% | 5% |
| Apr 14 | 61°F | 31°F | 84°F 1942 | 10°F 1986 | 28% | 5% |
| Apr 15 | 61°F | 31°F | 81°F 1981 | 5°F 1986 | 28% | 5% |
| Apr 16 | 61°F | 31°F | 82°F 1994 | 11°F 2022 | 28% | 4% |
| Apr 17 | 62°F | 31°F | 88°F 1994 | 19°F 1953 | 28% | 4% |
| Apr 18 | 62°F | 32°F | 83°F 1980 | 15°F 1953 | 28% | 4% |
| Apr 19 | 62°F | 32°F | 86°F 1962 | 12°F 1951 | 29% | 4% |
| Apr 20 | 63°F | 32°F | 90°F 1980 | 19°F 1966 | 29% | 4% |
| Apr 21 | 63°F | 32°F | 92°F 1980 | 12°F 2008 | 29% | 4% |
| Apr 22 | 63°F | 33°F | 87°F 1994 | 8°F 1967 | 29% | 3% |
| Apr 23 | 63°F | 33°F | 91°F 2012 | 19°F 1967 | 29% | 3% |
| Apr 24 | 64°F | 33°F | 90°F 2012 | 24°F 1958 | 30% | 3% |
| Apr 25 | 64°F | 33°F | 89°F 1974 | 21°F 2002 | 30% | 3% |
| Apr 26 | 64°F | 34°F | 88°F 1952 | 20°F 1995 | 30% | 3% |
| Apr 27 | 65°F | 34°F | 85°F 1952 | 20°F 1956 | 30% | 3% |
| Apr 28 | 65°F | 34°F | 91°F 1952 | 21°F 1954 | 30% | 3% |
| Apr 29 | 65°F | 35°F | 88°F 1939 | 19°F 1966 | 30% | 2% |
| Apr 30 | 66°F | 35°F | 88°F 1968 | 20°F 1950 | 31% | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- April 1
- sunrise 6:42 AM, sunset 7:31 PM
- April 30
- sunrise 5:50 AM, sunset 8:10 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00245754 (Mizpah 4 Nnw), public domain. Records: NOAA GHCN-Daily, station USW00024037, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.