Merced May 21 Weather Records

Daily averages and all-time records for weather in Merced, California for the date of May 21.
May 21 All-Time Records
1899–2024
Highest temperature 101 °F 1988
Lowest temperature 37 °F 1903
Lowest daily high 66 °F 2019
Highest daily low 86 °F 1904
Most precipitation 1.29 inches 1921
May 21 Average Weather
1991–2020 1
Average high 84.2 °F
Average low 53.2 °F
Chance precipitation 8.0%
Merced May 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 91 56 0.00 0.0
2022 88 47 0.00 0.0
2021 75 52 0.00 0.0
2020 85 52 0.00 0.0
2019 66 52 0.01 0.0
2018 80 51 0.00 0.0
2017 97 58 0.00 0.0
2016 72 46 0.00 0.0
2015 71 52 0.00 0.0
2014 81 51 0.00 0.0
2013 87 56 0.00 0.0
2012 89 61 0.00 0.0
2011 82 52 0.00 n/a
2010 69 47 0.00 n/a
2009 91 55 0.00 n/a
2008 80 53 0.00 n/a
2007 85 56 0.00 n/a
2006 72 56 1.00 n/a
2005 84 50 0.00 n/a
2004 78 49 0.00 n/a
2003 94 54 0.00 n/a
2002 69 46 0.04 n/a
2001 98 65 0.00 n/a
2000 98 60 0.00 n/a
1999 83 46 0.00 n/a
1998 78 47 0.00 0.0
1997 93 55 0.00 0.0
1996 78 50 0.00 0.0
1995 74 49 0.00 0.0
1994 79 47 0.00 0.0
1993 88 53 0.00 0.0
1992 87 56 0.00 0.0
1991 83 50 0.00 0.0
1990 82 54 0.00 0.0
1989 n/a n/a n/a n/a
1988 101 60 0.00 0.0
1987 n/a n/a n/a n/a
1986 75 46 0.00 0.0
1985 89 51 0.00 0.0
1984 90 50 0.00 0.0
1983 94 59 0.00 0.0
1982 n/a n/a n/a n/a
1981 n/a n/a 0.00 0.0
1980 n/a 55 0.00 0.0
1979 86 n/a 0.00 0.0
1978 90 53 0.00 0.0
1977 86 50 0.00 0.0
1976 86 54 0.00 0.0
1975 81 45 0.00 0.0
1974 81 45 0.00 0.0
1973 85 59 0.00 0.0
1972 77 52 0.00 0.0
1971 78 42 0.00 0.0
1970 88 52 0.00 0.0
1969 93 52 0.00 0.0
1968 82 52 0.00 0.0
1967 98 60 0.00 0.0
1966 98 54 0.00 0.0
1965 75 51 0.00 0.0
1964 79 48 0.00 0.0
1963 82 52 0.00 0.0
1962 80 42 0.00 0.0
1961 82 43 0.00 0.0
1960 81 45 0.00 0.0
1959 87 55 0.00 0.0
1958 90 52 0.00 0.0
1957 74 48 0.14 0.0
1956 90 54 0.00 0.0
1955 97 58 0.00 0.0
1954 84 45 0.00 0.0
1953 79 50 0.00 0.0
1952 87 49 0.00 0.0
1951 85 52 0.00 0.0
1950 n/a n/a n/a n/a
1949 76 49 0.00 0.0
1948 73 49 0.08 0.0
1947 99 61 0.00 0.0
1946 73 47 0.00 0.0
1945 79 47 0.00 0.0
1944 90 52 0.00 0.0
1943 93 52 0.00 0.0
1942 93 56 0.00 n/a
1941 95 52 0.00 n/a
1940 92 58 0.00 n/a
1939 79 53 0.02 n/a
1938 80 50 0.00 n/a
1937 88 53 0.00 n/a
1936 78 52 0.00 n/a
1935 93 57 0.00 n/a
1934 90 53 0.00 n/a
1933 74 49 0.00 n/a
1932 80 50 0.02 n/a
1931 94 56 0.00 n/a
1930 83 46 0.00 n/a
1929 88 55 0.00 n/a
1928 93 54 0.00 n/a
1927 68 43 0.00 n/a
1926 89 55 0.00 n/a
1925 80 52 0.55 n/a
1924 84 52 n/a n/a
1923 78 45 0.09 n/a
1922 78 44 n/a n/a
1921 70 51 1.29 n/a
1920 89 60 n/a n/a
1919 86 58 n/a n/a
1918 76 46 0.00 n/a
1917 80 44 0.00 0.0
1916 83 49 0.00 0.0
1915 74 48 0.00 n/a
1914 88 51 0.00 n/a
1913 86 50 0.00 n/a
1912 68 56 0.06 n/a
1911 84 58 0.00 0.0
1910 n/a n/a n/a n/a
1909 76 46 0.00 n/a
1908 82 45 0.00 n/a
1907 78 44 0.00 n/a
1906 77 45 0.00 n/a
1905 84 58 n/a n/a
1904 98 86 0.00 n/a
1903 70 37 0.00 n/a
1902 75 46 0.00 n/a
1901 n/a n/a n/a n/a
1900 95 50 0.00 n/a
What's the all-time high for Merced on 5/21?
For the date of May 21, the highest temperature ever reached in Merced history is 101 °F which happened in 1988.
Highest Temperatures in Merced on May 21
Rank Temperature Year
1 101 °F 1988
2 99 °F 1947
3 98 °F 1966
3 98 °F 1967
3 98 °F 2001
3 98 °F 2000
3 98 °F 1904
8 97 °F 2017
8 97 °F 1955
10 95 °F 1941
10 95 °F 1900
What's the all-time low for Merced on 5/21?
For the date of May 21, the lowest temperature ever reached in Merced history is 37 °F which happened in 1903.
Lowest Temperatures in Merced on May 21
Rank Temperature Year
1 37 °F 1903
2 42 °F 1962
2 42 °F 1971
4 43 °F 1961
4 43 °F 1927
6 44 °F 1907
6 44 °F 1917
6 44 °F 1922
9 45 °F 1954
9 45 °F 1908
9 45 °F 1975
9 45 °F 1974
9 45 °F 1906
9 45 °F 1960
9 45 °F 1923
Lowest High Temperatures in Merced on May 21
Rank Temperature Year
1 66 °F 2019
2 68 °F 1912
2 68 °F 1927
4 69 °F 2002
4 69 °F 2010
6 70 °F 1921
6 70 °F 1903
8 71 °F 2015
9 72 °F 2016
9 72 °F 2006
What's the most it has ever rained in Merced on 5/21?
For the date of May 21, the most precipitation ever recorded in Merced history is 1.29 inches which happened in 1921.
All-Time Most Precipitation in Merced on May 21
Rank Precipitation Year
1 1.29 inches 1921
2 1.00 inches 2006
3 0.55 inches 1925
4 0.14 inches 1957
5 0.09 inches 1923
6 0.08 inches 1948
7 0.06 inches 1912
8 0.04 inches 2002
9 0.02 inches 1939
9 0.02 inches 1932
Weather Station Details
Years Station Coordinates
1998–2024 Merced Municipal Airport location
1899–1998 Merced location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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