Merced May 18 Weather Records

Daily averages and all-time records for weather in Merced, California for the date of May 18.
May 18 All-Time Records
1899–2024
Highest temperature 103 °F 2008
Lowest temperature 36 °F 1962
Lowest daily high 62 °F 1917
Highest daily low 68 °F 2009
Most precipitation 0.52 inches 1944
May 18 Average Weather
1991–2020 1
Average high 83.3 °F
Average low 52.6 °F
Chance precipitation 8.9%
Merced May 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 93 58 0.00 0.0
2022 95 51 0.00 0.0
2021 87 51 0.00 0.0
2020 75 54 0.18 0.0
2019 68 47 0.32 0.0
2018 84 52 0.00 0.0
2017 84 44 0.00 0.0
2016 95 54 0.00 0.0
2015 76 54 0.00 0.0
2014 81 58 0.00 0.0
2013 84 48 0.00 0.0
2012 86 51 0.00 0.0
2011 69 50 0.09 n/a
2010 76 52 0.00 n/a
2009 101 68 0.00 n/a
2008 103 64 0.00 n/a
2007 82 51 0.00 n/a
2006 99 61 0.00 n/a
2005 84 57 0.00 n/a
2004 77 51 0.00 n/a
2003 78 53 0.00 n/a
2002 83 52 0.00 n/a
2001 90 55 0.00 n/a
2000 83 51 0.00 n/a
1999 81 52 0.00 n/a
1998 75 44 0.00 0.0
1997 99 66 0.00 0.0
1996 77 58 0.00 0.0
1995 84 53 0.00 0.0
1994 68 49 0.46 0.0
1993 87 54 0.00 0.0
1992 89 58 0.00 0.0
1991 65 42 0.00 0.0
1990 82 44 0.00 0.0
1989 n/a n/a n/a n/a
1988 83 50 0.00 0.0
1987 n/a n/a n/a n/a
1986 96 55 0.00 0.0
1985 80 50 0.00 0.0
1984 85 48 0.00 0.0
1983 87 52 0.00 0.0
1982 n/a n/a n/a n/a
1981 79 58 0.00 0.0
1980 92 56 0.00 0.0
1979 95 n/a 0.00 0.0
1978 90 47 0.00 0.0
1977 71 41 0.00 0.0
1976 84 43 0.00 0.0
1975 91 59 0.00 0.0
1974 69 41 0.00 0.0
1973 100 64 0.00 0.0
1972 78 45 0.00 0.0
1971 83 43 0.00 0.0
1970 91 56 0.00 0.0
1969 n/a 54 0.00 0.0
1968 88 56 0.00 0.0
1967 95 58 0.00 0.0
1966 94 47 0.00 0.0
1965 87 51 0.00 0.0
1964 85 51 0.00 0.0
1963 94 60 0.00 0.0
1962 80 36 0.00 0.0
1961 86 52 0.00 0.0
1960 79 43 0.00 0.0
1959 83 47 0.00 0.0
1958 91 59 0.00 0.0
1957 75 50 0.18 0.0
1956 93 54 0.03 0.0
1955 n/a n/a n/a n/a
1954 94 59 0.00 0.0
1953 81 50 0.00 0.0
1952 95 54 0.00 0.0
1951 92 57 0.00 0.0
1950 n/a n/a n/a n/a
1949 n/a n/a n/a n/a
1948 63 43 0.05 0.0
1947 96 56 0.00 0.0
1946 86 52 0.00 0.0
1945 71 43 0.00 0.0
1944 74 50 0.52 0.0
1943 86 43 0.00 0.0
1942 87 47 0.00 n/a
1941 73 44 0.00 n/a
1940 92 54 0.00 n/a
1939 79 46 0.00 n/a
1938 82 48 0.00 n/a
1937 86 52 0.00 n/a
1936 93 52 0.00 n/a
1935 73 49 0.00 n/a
1934 82 45 0.00 n/a
1933 71 45 0.00 n/a
1932 86 55 0.00 n/a
1931 87 58 0.00 n/a
1930 77 52 0.00 n/a
1929 86 49 0.00 n/a
1928 91 57 0.00 n/a
1927 79 53 0.00 n/a
1926 92 67 0.00 n/a
1925 85 55 n/a n/a
1924 93 53 n/a n/a
1923 78 45 n/a n/a
1922 73 49 n/a n/a
1921 71 45 n/a n/a
1920 97 57 n/a n/a
1919 82 49 n/a n/a
1918 74 45 0.00 n/a
1917 62 48 0.33 0.0
1916 74 53 0.00 0.0
1915 64 51 0.42 n/a
1914 87 48 0.00 n/a
1913 83 56 0.00 n/a
1912 93 64 0.00 n/a
1911 70 52 0.00 0.0
1910 n/a n/a n/a n/a
1909 88 45 0.00 n/a
1908 79 41 0.00 n/a
1907 81 47 0.00 n/a
1906 82 40 0.00 n/a
1905 85 52 n/a n/a
1904 88 48 0.00 n/a
1903 74 44 0.00 n/a
1902 n/a n/a 0.00 n/a
1901 n/a n/a n/a n/a
1900 88 46 0.00 n/a
What's the all-time high for Merced on 5/18?
For the date of May 18, the highest temperature ever reached in Merced history is 103 °F which happened in 2008.
Highest Temperatures in Merced on May 18
Rank Temperature Year
1 103 °F 2008
2 101 °F 2009
3 100 °F 1973
4 99 °F 1997
4 99 °F 2006
6 97 °F 1920
7 96 °F 1947
7 96 °F 1986
9 95 °F 1952
9 95 °F 2016
9 95 °F 2022
9 95 °F 1967
9 95 °F 1979
What's the all-time low for Merced on 5/18?
For the date of May 18, the lowest temperature ever reached in Merced history is 36 °F which happened in 1962.
Lowest Temperatures in Merced on May 18
Rank Temperature Year
1 36 °F 1962
2 40 °F 1906
3 41 °F 1908
3 41 °F 1974
3 41 °F 1977
6 42 °F 1991
7 43 °F 1945
7 43 °F 1960
7 43 °F 1943
7 43 °F 1948
7 43 °F 1971
7 43 °F 1976
Lowest High Temperatures in Merced on May 18
Rank Temperature Year
1 62 °F 1917
2 63 °F 1948
3 64 °F 1915
4 65 °F 1991
5 68 °F 1994
5 68 °F 2019
7 69 °F 2011
7 69 °F 1974
9 70 °F 1911
10 71 °F 1945
10 71 °F 1977
10 71 °F 1921
10 71 °F 1933
What's the most it has ever rained in Merced on 5/18?
For the date of May 18, the most precipitation ever recorded in Merced history is 0.52 inches which happened in 1944.
All-Time Most Precipitation in Merced on May 18
Rank Precipitation Year
1 0.52 inches 1944
2 0.46 inches 1994
3 0.42 inches 1915
4 0.33 inches 1917
5 0.32 inches 2019
6 0.18 inches 2020
6 0.18 inches 1957
8 0.09 inches 2011
9 0.05 inches 1948
10 0.03 inches 1956
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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