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Rapid City April 20 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of April 20.
April 20 All-Time Records
1948–2022
Highest temperature 89 °F 1962
Lowest temperature 2 °F 1966
Lowest daily high 31 °F 1951
Highest daily low 49 °F 1989
Most precipitation 0.7 inches 1964
Most snow 1.4 inches 1992
April 20 Average Weather
1991–2020 1
Average high 58.5 °F
Average low 32.6 °F
Chance precipitation 35.6%
Chance snow 12.1%
Rapid City April 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 63 32 0.07 n/a
2021 37 19 0.04 n/a
2020 66 29 0.00 n/a
2019 79 42 0.00 n/a
2018 57 33 0.01 0.0
2017 62 31 0.00 0.0
2016 62 35 0.00 0.0
2015 55 24 0.00 0.0
2014 74 36 0.00 0.0
2013 53 29 0.03 0.0
2012 63 30 0.00 0.0
2011 51 19 0.00 0.0
2010 61 41 0.00 0.0
2009 62 36 0.00 0.0
2008 60 32 0.00 0.0
2007 70 33 0.00 0.0
2006 49 32 0.10 0.0
2005 43 40 0.17 n/a
2004 65 36 0.00 n/a
2003 64 38 0.00 n/a
2002 40 29 0.14 n/a
2001 54 39 0.12 n/a
2000 42 23 0.00 0.0
1999 66 42 0.20 0.0
1998 58 29 0.00 n/a
1997 68 46 0.29 n/a
1996 60 31 0.00 n/a
1995 40 33 0.01 0.0
1994 75 44 0.00 0.0
1993 47 28 0.00 0.0
1992 35 29 0.07 1.4
1991 55 34 0.00 0.0
1990 76 42 0.00 0.0
1989 80 49 0.00 0.0
1988 70 35 0.01 0.0
1987 57 30 0.00 0.0
1986 55 39 0.00 0.0
1985 58 36 0.00 0.0
1984 57 32 0.00 0.0
1983 69 37 0.00 0.0
1982 47 28 0.00 0.0
1981 58 39 0.08 0.0
1980 87 46 0.00 0.0
1979 61 31 0.00 0.0
1978 47 30 0.00 0.0
1977 57 35 0.00 0.0
1976 60 31 0.00 0.0
1975 63 28 0.07 0.0
1974 60 43 0.01 0.0
1973 54 38 0.18 0.0
1972 51 32 0.00 0.0
1971 58 44 0.45 0.0
1970 35 26 0.00 0.0
1969 60 38 0.00 0.0
1968 58 37 0.00 0.0
1967 50 29 0.15 0.0
1966 33 2 0.00 0.0
1965 78 39 0.00 0.0
1964 46 35 0.71 0.0
1963 45 33 0.03 0.1
1962 89 44 0.01 0.0
1961 56 38 0.03 0.0
1960 71 39 0.00 0.0
1959 39 25 0.11 1.1
1958 61 36 0.00 0.0
1957 60 34 0.00 0.0
1956 77 35 0.00 0.0
1955 63 39 0.00 0.0
1954 51 29 0.08 0.0
1953 68 26 0.00 0.0
1952 70 42 0.00 0.0
1951 31 19 0.06 0.6
1950 56 24 0.00 0.0
1949 68 39 0.07 0.0
All-Time Highest Temperatures in Rapid City on April 20
Rank Temperature Year
1 89 °F 1962
2 87 °F 1980
3 80 °F 1989
4 79 °F 2019
5 78 °F 1965
6 77 °F 1956
7 76 °F 1990
8 75 °F 1994
9 74 °F 2014
10 71 °F 1960
All-Time Lowest Temperatures in Rapid City on April 20
Rank Temperature Year
1 2 °F 1966
2 19 °F 2011
2 19 °F 1951
4 19 °F 2021
5 23 °F 2000
6 24 °F 1950
7 24 °F 2015
8 25 °F 1959
9 26 °F 1970
9 26 °F 1953
Lowest High Temperatures in Rapid City on April 20
Rank Temperature Year
1 31 °F 1951
2 33 °F 1966
3 35 °F 1970
3 35 °F 1992
5 37 °F 2021
6 39 °F 1959
7 40 °F 1995
7 40 °F 2002
9 42 °F 2000
10 43 °F 2005
All-Time Most Precipitation in Rapid City on April 20
Rank Precipitation Year
1 0.7 inches 1964
2 0.4 inches 1971
3 0.3 inches 1997
4 0.2 inches 1999
5 0.2 inches 1973
6 0.2 inches 2005
7 0.1 inches 1967
8 0.1 inches 2002
9 0.1 inches 2001
10 0.1 inches 1959
All-Time Most Snow in Rapid City on April 20
Rank Precipitation Year
1 1.4 inches 1992
2 1.1 inches 1959
3 0.6 inches 1951
4 0.1 inches 1963
Weather Station Details
Years Station Coordinates
1948–2022 Rapid City Regional Airport location