Dallas May 21 Weather Records

Daily averages and all-time records for weather in Dallas, Texas for the date of May 21.
May 21 All-Time Records
1897–2023
Highest temperature 99 °F 2005
Lowest temperature 50 °F 1911
Lowest daily high 60 °F 1967
Highest daily low 76 °F 1957
Most precipitation 1.43 inches 1978
Most snow none -
May 21 Average Weather
1991–2020 1
Average high 86.2 °F
Average low 67.7 °F
Chance precipitation 28.9%
Chance snow 0%
Dallas May 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 77 62 0.00 0.0
2022 93 63 0.02 0.0
2021 86 71 0.00 0.0
2020 88 71 0.00 0.0
2019 85 67 0.11 0.0
2018 89 68 0.00 0.0
2017 81 62 0.09 0.0
2016 85 65 0.00 0.0
2015 68 56 0.56 0.0
2014 87 69 0.00 0.0
2013 84 62 0.81 0.0
2012 90 68 0.00 0.0
2011 86 65 0.00 0.0
2010 89 69 0.00 0.0
2009 86 60 0.00 0.0
2008 90 70 0.00 0.0
2007 78 66 0.32 0.0
2006 91 69 0.00 0.0
2005 99 74 0.00 0.0
2004 89 72 0.00 0.0
2003 69 63 0.03 n/a
2002 80 60 0.00 n/a
2001 81 58 0.00 n/a
2000 88 64 0.00 n/a
1999 87 71 0.00 n/a
1998 95 72 0.00 n/a
1997 68 60 0.15 0.0
1996 97 75 0.00 0.0
1995 85 64 0.00 0.0
1994 84 60 0.00 0.0
1993 82 65 0.00 0.0
1992 84 67 0.37 0.0
1991 85 71 0.02 0.0
1990 90 70 0.00 0.0
1989 91 73 0.00 0.0
1988 81 63 0.00 0.0
1987 90 71 0.00 0.0
1986 85 63 0.00 0.0
1985 78 62 0.95 0.0
1984 90 65 0.00 0.0
1983 81 60 1.12 0.0
1982 88 67 0.08 0.0
1981 82 60 0.00 0.0
1980 80 61 0.00 0.0
1979 77 64 0.29 0.0
1978 81 68 1.43 0.0
1977 90 63 0.33 0.0
1976 84 65 0.00 n/a
1975 90 68 0.00 0.0
1974 83 69 0.07 n/a
1973 94 71 0.00 0.0
1972 90 69 0.00 0.0
1971 87 66 0.00 0.0
1970 87 69 0.00 0.0
1969 89 71 0.00 0.0
1968 78 59 0.00 0.0
1967 60 54 0.01 0.0
1966 89 66 0.58 0.0
1965 85 66 0.00 0.0
1964 89 69 0.00 0.0
1963 80 65 0.00 0.0
1962 90 68 0.00 0.0
1961 92 69 0.00 0.0
1960 87 55 0.00 0.0
1959 82 71 0.00 0.0
1958 85 63 0.00 0.0
1957 93 76 0.00 0.0
1956 90 69 0.00 0.0
1955 81 64 0.00 0.0
1954 82 62 0.00 0.0
1953 91 75 0.00 0.0
1952 86 61 0.00 0.0
1951 89 67 0.00 0.0
1950 86 62 0.00 0.0
1949 92 73 0.00 0.0
1948 92 60 0.00 0.0
1947 79 51 0.00 0.0
1946 79 55 0.00 0.0
1945 81 57 0.25 0.0
1944 82 64 0.00 0.0
1943 73 55 0.50 0.0
1942 75 56 0.00 0.0
1941 84 64 0.00 0.0
1940 88 69 0.00 0.0
1939 89 71 0.00 0.0
1938 86 69 0.00 0.0
1937 90 70 0.00 0.0
1936 86 68 0.00 0.0
1935 72 59 0.00 0.0
1934 89 66 0.00 0.0
1933 84 67 0.13 0.0
1932 78 67 0.00 0.0
1931 77 57 0.13 0.0
1930 83 66 0.00 0.0
1929 78 61 0.00 0.0
1928 72 59 0.00 0.0
1927 82 69 0.00 0.0
1926 84 62 0.00 0.0
1925 93 66 0.00 0.0
1924 77 63 0.00 0.0
1923 90 70 0.00 0.0
1922 87 70 0.08 0.0
1921 89 70 0.00 0.0
1920 86 70 0.00 0.0
1919 75 53 0.00 0.0
1918 86 69 0.00 0.0
1917 80 62 0.29 0.0
1916 77 66 0.08 0.0
1915 90 64 0.58 0.0
1914 82 64 0.02 0.0
1913 92 63 0.18 0.0
1912 90 62 0.00 0.0
1911 83 50 n/a 0.0
1910 86 61 0.00 0.0
1909 85 58 0.46 0.0
1908 85 70 0.00 0.0
1907 87 60 0.00 0.0
1906 85 60 0.00 0.0
1905 82 60 0.35 0.0
1904 89 59 0.00 0.0
1903 85 69 0.00 0.0
1902 90 75 0.00 0.0
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
What's the all-time high for Dallas on 5/21?
For the date of May 21, the highest temperature ever reached in Dallas history is 99 °F which happened in 2005.
Highest Temperatures in Dallas on May 21
Rank Temperature Year
1 99 °F 2005
2 97 °F 1996
3 95 °F 1998
4 94 °F 1973
5 93 °F 1925
5 93 °F 1957
5 93 °F 2022
8 92 °F 1948
8 92 °F 1949
8 92 °F 1961
8 92 °F 1913
What's the all-time low for Dallas on 5/21?
For the date of May 21, the lowest temperature ever reached in Dallas history is 50 °F which happened in 1911.
Lowest Temperatures in Dallas on May 21
Rank Temperature Year
1 50 °F 1911
2 51 °F 1947
3 53 °F 1919
4 54 °F 1967
5 55 °F 1946
5 55 °F 1960
5 55 °F 1943
8 56 °F 1942
8 56 °F 2015
10 57 °F 1931
10 57 °F 1945
Lowest High Temperatures in Dallas on May 21
Rank Temperature Year
1 60 °F 1967
2 68 °F 1997
2 68 °F 2015
4 69 °F 2003
5 72 °F 1935
5 72 °F 1928
7 73 °F 1943
8 75 °F 1919
8 75 °F 1942
10 77 °F 2023
10 77 °F 1916
10 77 °F 1931
10 77 °F 1924
10 77 °F 1979
What's the most it has ever rained in Dallas on 5/21?
For the date of May 21, the most precipitation ever recorded in Dallas history is 1.43 inches which happened in 1978.
All-Time Most Precipitation in Dallas on May 21
Rank Precipitation Year
1 1.43 inches 1978
2 1.12 inches 1983
3 0.95 inches 1985
4 0.81 inches 2013
5 0.58 inches 1966
5 0.58 inches 1915
7 0.56 inches 2015
8 0.50 inches 1943
9 0.46 inches 1909
10 0.37 inches 1992
Weather Station Details
Years Station Coordinates
1940–2023 Dallas Love Field location
1916–1939 Dallas WBO location
1897–1915 Dallas location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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