Olathe April 21 Weather Records

Daily averages and all-time records for weather in Olathe, Kansas for the date of April 21.
April 21 All-Time Records
1893–2024
Highest temperature 87 °F 1965
Lowest temperature 26 °F 1907
Lowest daily high 44 °F 1931
Highest daily low 66 °F 2001
Most precipitation 1.26 inches 1954
April 21 Average Weather
1991–2020 1
Average high 67.9 °F
Average low 45.7 °F
Chance precipitation 39.3%
Olathe April 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 60 36 0.00 n/a
2023 60 41 0.00 n/a
2022 78 43 0.08 n/a
2021 49 31 0.00 n/a
2020 73 43 0.00 n/a
2019 83 53 0.00 n/a
2018 66 47 0.01 n/a
2017 56 48 0.00 n/a
2016 68 49 0.00 n/a
2015 70 40 0.00 n/a
2014 73 51 0.01 n/a
2013 65 46 0.00 0.0
2012 68 34 0.00 0.0
2011 60 44 0.02 n/a
2010 71 51 0.00 n/a
2009 65 42 0.00 n/a
2008 76 58 0.00 n/a
2007 79 53 0.00 n/a
2006 77 42 0.00 n/a
2005 82 49 0.00 n/a
2004 71 48 0.00 n/a
2003 68 46 0.00 n/a
2002 60 40 0.85 n/a
2001 78 66 0.01 n/a
2000 67 39 0.00 n/a
1999 72 60 0.16 n/a
1998 66 39 n/a n/a
1997 n/a n/a n/a n/a
1996 n/a n/a n/a n/a
1995 n/a n/a n/a n/a
1994 n/a n/a n/a n/a
1993 n/a n/a n/a n/a
1992 n/a n/a n/a n/a
1991 n/a n/a n/a n/a
1990 n/a n/a n/a n/a
1989 n/a n/a n/a n/a
1988 n/a n/a n/a n/a
1987 n/a n/a n/a n/a
1986 n/a n/a n/a n/a
1985 n/a n/a n/a n/a
1984 n/a n/a n/a n/a
1983 n/a n/a n/a n/a
1982 n/a n/a n/a n/a
1981 n/a n/a n/a n/a
1980 n/a n/a n/a n/a
1979 n/a n/a n/a n/a
1978 n/a n/a n/a n/a
1977 n/a n/a n/a n/a
1976 n/a n/a n/a n/a
1975 n/a n/a n/a n/a
1974 n/a n/a n/a n/a
1973 n/a n/a n/a n/a
1972 n/a n/a n/a n/a
1971 n/a n/a n/a n/a
1970 n/a n/a n/a n/a
1969 73 52 0.00 0.0
1968 67 46 0.05 0.0
1967 80 50 0.00 0.0
1966 60 31 0.00 0.0
1965 87 60 0.00 0.0
1964 74 54 0.00 0.0
1963 79 51 0.00 0.0
1962 84 62 0.00 0.0
1961 66 52 0.02 0.0
1960 80 46 0.00 0.0
1959 54 35 0.00 0.0
1958 61 46 0.02 0.0
1957 63 62 n/a 0.0
1956 80 46 n/a n/a
1955 81 50 n/a n/a
1954 67 51 1.26 0.0
1953 77 40 0.00 0.0
1952 75 56 0.96 0.0
1951 61 45 0.03 0.0
1950 78 40 0.12 0.0
1949 63 49 0.02 0.0
1948 73 48 0.00 0.0
1947 65 38 n/a 0.0
1946 76 55 n/a n/a
1945 76 51 0.68 0.0
1944 61 42 1.11 0.0
1943 59 34 0.00 0.0
1942 70 45 0.00 0.0
1941 59 42 0.00 0.0
1940 63 45 0.00 0.0
1939 57 38 0.00 0.0
1938 69 47 0.00 0.0
1937 71 50 0.73 0.0
1936 83 40 0.25 0.0
1935 75 44 0.00 0.0
1934 67 32 0.00 0.0
1933 57 50 0.31 0.0
1932 77 59 0.00 0.0
1931 44 34 0.00 0.0
1930 75 36 0.00 0.0
1929 n/a n/a n/a 0.0
1928 n/a 43 n/a 0.0
1927 47 31 0.10 0.0
1926 72 54 n/a 0.0
1925 83 60 n/a n/a
1924 n/a n/a n/a n/a
1923 64 44 0.00 n/a
1922 77 49 0.00 0.0
1921 73 51 0.00 0.0
1920 81 49 0.00 0.0
1919 84 54 0.00 n/a
1918 56 30 0.14 0.1
1917 75 34 0.00 n/a
1916 61 41 0.03 0.0
1915 74 55 0.00 0.0
1914 85 54 0.00 0.0
1913 84 47 0.00 0.0
1912 71 46 0.17 n/a
1911 76 42 0.00 0.0
1910 86 51 0.00 0.0
1909 52 44 0.79 n/a
1908 83 58 0.00 0.0
1907 61 26 0.00 0.0
1906 82 48 0.00 n/a
1905 n/a n/a n/a n/a
1904 50 33 n/a 0.0
1903 64 41 0.00 0.0
1902 83 65 n/a n/a
1901 70 34 0.00 0.0
1900 71 51 0.00 0.0
1899 75 40 n/a n/a
1898 62 50 0.00 n/a
1897 84 54 n/a n/a
1896 72 50 n/a n/a
1895 75 49 0.00 n/a
1894 55 37 0.00 n/a
What's the all-time high for Olathe on 4/21?
For the date of Apr 21, the highest temperature ever reached in Olathe history is 87 °F which happened in 1965.
Highest Temperatures in Olathe on April 21
Rank Temperature Year
1 87 °F 1965
2 86 °F 1910
3 85 °F 1914
4 84 °F 1962
4 84 °F 1913
4 84 °F 1919
4 84 °F 1897
8 83 °F 2019
8 83 °F 1908
8 83 °F 1902
8 83 °F 1936
8 83 °F 1925
What's the all-time low for Olathe on 4/21?
For the date of Apr 21, the lowest temperature ever reached in Olathe history is 26 °F which happened in 1907.
Lowest Temperatures in Olathe on April 21
Rank Temperature Year
1 26 °F 1907
2 30 °F 1918
3 31 °F 2021
3 31 °F 1966
3 31 °F 1927
6 32 °F 1934
7 33 °F 1904
8 34 °F 1901
8 34 °F 1943
8 34 °F 1917
8 34 °F 2012
8 34 °F 1931
Lowest High Temperatures in Olathe on April 21
Rank Temperature Year
1 44 °F 1931
2 47 °F 1927
3 49 °F 2021
4 50 °F 1904
5 52 °F 1909
6 54 °F 1959
7 55 °F 1894
8 56 °F 2017
8 56 °F 1918
10 57 °F 1933
10 57 °F 1939
What's the most it has ever rained in Olathe on 4/21?
For the date of Apr 21, the most precipitation ever recorded in Olathe history is 1.26 inches which happened in 1954.
All-Time Most Precipitation in Olathe on April 21
Rank Precipitation Year
1 1.26 inches 1954
2 1.11 inches 1944
3 0.96 inches 1952
4 0.85 inches 2002
5 0.79 inches 1909
6 0.73 inches 1937
7 0.68 inches 1945
8 0.31 inches 1933
9 0.25 inches 1936
10 0.17 inches 1912
Weather Station Details
Years Station Coordinates
1948–2024 Olathe Johnson County Airport location
1893–1947 Olathe 3E location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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