Livermore May 21 Weather Records

Daily averages and all-time records for weather in Livermore, California for the date of May 21.
May 21 All-Time Records
1903–2024
Highest temperature 100 °F 2001
Lowest temperature 37 °F 1927
Lowest daily high 55 °F 1957
Highest daily low 60 °F 1978
Most precipitation 0.63 inches 1957
May 21 Average Weather
1991–2020 1
Average high 76.9 °F
Average low 50.7 °F
Chance precipitation 9.5%
Livermore May 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 85 53 0.00 n/a
2022 85 46 0.00 n/a
2021 71 44 0.00 n/a
2020 83 50 0.00 n/a
2019 62 50 0.13 n/a
2018 75 51 0.00 n/a
2017 93 53 0.00 n/a
2016 67 50 0.01 n/a
2015 73 54 0.00 n/a
2014 81 54 0.00 n/a
2013 72 51 0.00 n/a
2012 73 53 0.00 0.0
2011 70 50 0.00 n/a
2010 62 44 0.00 n/a
2009 84 47 0.00 n/a
2008 75 50 0.00 n/a
2007 85 53 0.00 n/a
2006 69 53 0.60 n/a
2005 82 45 0.00 n/a
2004 63 52 0.00 n/a
2003 91 51 0.00 n/a
2002 64 47 0.14 n/a
2001 100 59 0.00 n/a
2000 98 57 0.00 n/a
1999 80 43 0.00 n/a
1998 66 48 0.00 0.0
1997 82 50 0.00 0.0
1996 69 51 0.05 0.0
1995 63 52 0.00 0.0
1994 71 49 0.00 0.0
1993 74 54 0.00 0.0
1992 86 50 0.00 0.0
1991 82 47 0.00 0.0
1990 75 51 0.04 0.0
1989 65 50 0.00 0.0
1988 96 58 0.00 0.0
1987 67 51 0.00 0.0
1986 71 44 0.00 0.0
1985 87 46 0.00 0.0
1984 81 44 0.00 0.0
1983 87 53 0.00 0.0
1982 73 47 0.00 0.0
1981 70 52 0.00 0.0
1980 72 50 0.00 0.0
1979 75 54 0.00 0.0
1978 83 60 0.00 0.0
1977 74 40 0.00 0.0
1976 81 44 0.00 0.0
1975 81 41 0.00 0.0
1974 76 38 0.00 0.0
1973 80 44 0.00 0.0
1972 71 49 0.00 0.0
1971 68 40 0.00 0.0
1970 85 42 0.00 0.0
1969 82 48 0.00 0.0
1968 n/a 49 0.00 0.0
1967 88 49 0.00 0.0
1966 87 51 0.00 0.0
1965 66 48 0.00 0.0
1964 74 38 0.00 0.0
1963 63 51 0.00 0.0
1962 70 39 0.00 0.0
1961 61 51 0.00 0.0
1960 70 42 0.00 0.0
1959 77 43 0.00 0.0
1958 75 53 0.00 0.0
1957 55 46 0.63 0.0
1956 88 51 0.00 0.0
1955 94 49 0.00 0.0
1954 70 45 0.00 0.0
1953 70 45 0.08 0.0
1952 86 45 0.00 0.0
1951 85 49 0.00 0.0
1950 93 47 0.00 0.0
1949 72 42 0.00 0.0
1948 73 53 0.02 0.0
1947 91 54 0.00 0.0
1946 63 43 0.25 0.0
1945 70 44 0.00 0.0
1944 85 47 0.00 0.0
1943 93 43 0.00 n/a
1942 87 54 0.00 n/a
1941 93 50 0.00 n/a
1940 79 51 0.00 n/a
1939 69 50 0.18 n/a
1938 80 47 0.00 0.0
1937 83 44 0.00 n/a
1936 87 47 0.00 0.0
1935 97 49 0.00 n/a
1934 95 48 0.00 n/a
1933 60 45 0.03 n/a
1932 n/a 48 0.00 n/a
1931 79 59 0.00 n/a
1930 78 44 0.00 n/a
1929 81 53 0.00 n/a
1928 75 53 0.00 n/a
1927 68 37 0.00 n/a
1926 79 50 0.00 n/a
1925 69 53 0.00 n/a
1924 67 52 0.00 n/a
1923 75 45 0.00 n/a
1922 78 38 0.00 n/a
1921 67 55 0.52 n/a
1920 71 n/a 0.00 n/a
1919 79 49 0.00 n/a
1918 76 44 0.00 n/a
1917 75 42 0.00 n/a
1916 76 40 0.00 n/a
1915 69 47 0.00 n/a
1914 79 48 0.00 n/a
1913 77 49 0.00 n/a
1912 65 44 0.07 n/a
1911 94 48 0.00 0.0
1910 65 51 0.00 0.0
1909 72 42 0.00 n/a
1908 75 46 0.00 n/a
1907 67 47 0.00 n/a
1906 72 44 0.00 n/a
1905 76 38 0.00 n/a
1904 96 53 0.00 n/a
1903 64 47 0.12 n/a
What's the all-time high for Livermore on 5/21?
For the date of May 21, the highest temperature ever reached in Livermore history is 100 °F which happened in 2001.
Highest Temperatures in Livermore on May 21
Rank Temperature Year
1 100 °F 2001
2 98 °F 2000
3 97 °F 1935
4 96 °F 1988
4 96 °F 1904
6 95 °F 1934
7 94 °F 1911
7 94 °F 1955
9 93 °F 1941
9 93 °F 1943
9 93 °F 1950
9 93 °F 2017
What's the all-time low for Livermore on 5/21?
For the date of May 21, the lowest temperature ever reached in Livermore history is 37 °F which happened in 1927.
Lowest Temperatures in Livermore on May 21
Rank Temperature Year
1 37 °F 1927
2 38 °F 1905
2 38 °F 1974
2 38 °F 1964
2 38 °F 1922
6 39 °F 1962
7 40 °F 1977
7 40 °F 1916
7 40 °F 1971
10 41 °F 1975
Lowest High Temperatures in Livermore on May 21
Rank Temperature Year
1 55 °F 1957
2 60 °F 1933
3 61 °F 1961
4 62 °F 2019
4 62 °F 2010
6 63 °F 2004
6 63 °F 1995
6 63 °F 1963
6 63 °F 1946
10 64 °F 2002
10 64 °F 1903
What's the most it has ever rained in Livermore on 5/21?
For the date of May 21, the most precipitation ever recorded in Livermore history is 0.63 inches which happened in 1957.
All-Time Most Precipitation in Livermore on May 21
Rank Precipitation Year
1 0.63 inches 1957
2 0.60 inches 2006
3 0.52 inches 1921
4 0.25 inches 1946
5 0.18 inches 1939
6 0.14 inches 2002
7 0.13 inches 2019
8 0.12 inches 1903
9 0.08 inches 1953
10 0.07 inches 1912
Weather Station Details
Years Station Coordinates
1999–2024 Livermore Municipal Airport location
1903–1998 Livermore location