Modesto December 21 Weather Records

Daily averages and all-time records for weather in Modesto, California for the date of December 21.
December 21 All-Time Records
1906–2024
Highest temperature 65 °F 2014
Lowest temperature 24 °F 1990
Lowest daily high 34 °F 1990
Highest daily low 55 °F 1964
Most precipitation 1.81 inches 1996
December 21 Average Weather
1991–2020 1
Average high 55.5 °F
Average low 38.8 °F
Chance precipitation 30.1%
Modesto December 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 60 47 0.00 n/a
2022 44 36 0.00 n/a
2021 44 40 0.00 n/a
2020 44 37 0.00 n/a
2019 58 42 0.00 n/a
2018 61 48 0.00 n/a
2017 53 32 0.00 n/a
2016 59 37 0.00 n/a
2015 53 49 0.26 n/a
2014 65 53 0.00 n/a
2013 59 32 0.00 n/a
2012 58 34 0.01 n/a
2011 53 31 0.00 n/a
2010 56 42 0.02 n/a
2009 55 45 0.11 n/a
2008 48 35 0.38 n/a
2007 52 35 0.00 n/a
2006 46 32 0.25 n/a
2005 60 48 0.27 n/a
2004 52 37 0.00 n/a
2003 57 47 0.02 n/a
2002 57 46 0.12 n/a
2001 53 45 0.08 n/a
2000 61 34 0.00 n/a
1999 63 31 0.00 n/a
1998 44 25 0.00 0.0
1997 55 39 0.00 0.0
1996 47 41 1.81 0.0
1995 51 35 0.00 0.0
1994 46 41 0.00 0.0
1993 40 36 0.00 0.0
1992 52 34 0.00 0.0
1991 56 37 0.00 0.0
1990 34 24 0.00 0.0
1989 40 37 0.00 0.0
1988 52 36 0.00 0.0
1987 53 38 0.00 0.0
1986 51 33 0.00 0.0
1985 37 32 0.00 0.0
1984 54 34 0.00 0.0
1983 51 32 0.00 0.0
1982 56 50 0.61 0.0
1981 60 47 0.04 0.0
1980 52 40 0.22 0.0
1979 55 45 0.55 0.0
1978 49 31 0.00 0.0
1977 62 n/a 0.06 0.0
1976 60 30 0.00 0.0
1975 60 32 0.00 0.0
1974 51 40 0.00 0.0
1973 52 45 0.63 0.0
1972 58 51 0.00 0.0
1971 50 30 0.42 0.0
1970 55 42 0.06 0.0
1969 62 42 0.48 0.0
1968 47 27 0.00 0.0
1967 51 28 0.00 0.0
1966 45 38 0.00 0.0
1965 40 30 0.00 0.0
1964 60 55 0.36 0.0
1963 50 37 0.00 0.0
1962 49 41 0.00 0.0
1961 61 43 0.00 0.0
1960 48 44 0.00 0.0
1959 61 33 0.00 0.0
1958 51 43 0.21 0.0
1957 51 43 0.14 0.0
1956 53 32 0.00 0.0
1955 64 53 0.14 0.0
1954 38 34 0.00 0.0
1953 57 36 0.00 0.0
1952 56 35 0.00 0.0
1951 51 28 0.00 0.0
1950 52 49 0.00 0.0
1949 44 24 0.00 0.0
1948 43 38 0.00 0.0
1947 50 42 0.00 n/a
1946 42 30 0.00 n/a
1945 64 39 1.69 n/a
1944 60 48 0.03 n/a
1943 58 42 0.00 n/a
1942 49 40 0.00 n/a
1941 53 37 0.09 n/a
1940 56 52 0.66 n/a
1939 56 34 0.00 n/a
1938 59 38 0.18 n/a
1937 46 35 0.00 n/a
1936 48 38 0.05 n/a
1935 61 29 0.00 n/a
1934 46 38 0.00 n/a
1933 44 38 0.00 n/a
1932 47 39 0.42 n/a
1931 54 40 0.23 n/a
1930 55 26 0.00 n/a
1929 52 43 0.00 n/a
1928 45 26 0.00 n/a
1927 53 30 0.00 n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 n/a n/a n/a n/a
1915 n/a n/a 0.00 n/a
1914 n/a n/a 0.00 n/a
1913 n/a n/a 0.85 n/a
1912 n/a n/a 0.00 n/a
1911 n/a n/a 0.00 n/a
1910 n/a n/a 0.00 n/a
1909 n/a n/a 0.20 n/a
1908 n/a n/a 0.00 n/a
1907 n/a n/a 0.00 n/a
1906 n/a n/a 0.00 n/a
What's the all-time high for Modesto on 12/21?
For the date of Dec 21, the highest temperature ever reached in Modesto history is 65 °F which happened in 2014.
Highest Temperatures in Modesto on December 21
Rank Temperature Year
1 65 °F 2014
2 64 °F 1945
2 64 °F 1955
4 63 °F 1999
5 62 °F 1977
5 62 °F 1969
7 61 °F 1935
7 61 °F 1959
7 61 °F 1961
7 61 °F 2018
7 61 °F 2000
What's the all-time low for Modesto on 12/21?
For the date of Dec 21, the lowest temperature ever reached in Modesto history is 24 °F which has happened 2 times, most recently in 1990.
Lowest Temperatures in Modesto on December 21
Rank Temperature Year
1 24 °F 1990
1 24 °F 1949
3 25 °F 1998
4 26 °F 1928
4 26 °F 1930
6 27 °F 1968
7 28 °F 1967
7 28 °F 1951
9 29 °F 1935
10 30 °F 1965
10 30 °F 1946
10 30 °F 1971
10 30 °F 1976
10 30 °F 1927
Lowest High Temperatures in Modesto on December 21
Rank Temperature Year
1 34 °F 1990
2 37 °F 1985
3 38 °F 1954
4 40 °F 1993
4 40 °F 1989
4 40 °F 1965
7 42 °F 1946
8 43 °F 1948
9 44 °F 1949
9 44 °F 2020
9 44 °F 1933
9 44 °F 2021
9 44 °F 2022
9 44 °F 1998
What's the most it has ever rained in Modesto on 12/21?
For the date of Dec 21, the most precipitation ever recorded in Modesto history is 1.81 inches which happened in 1996.
All-Time Most Precipitation in Modesto on December 21
Rank Precipitation Year
1 1.81 inches 1996
2 1.69 inches 1945
3 0.85 inches 1913
4 0.66 inches 1940
5 0.63 inches 1973
6 0.61 inches 1982
7 0.55 inches 1979
8 0.48 inches 1969
9 0.42 inches 1971
9 0.42 inches 1932
Weather Station Details
Years Station Coordinates
1906–2024 Modesto City-County Airport location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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