Plymouth August 21 Weather Records

Daily averages and all-time records for weather in Plymouth, Massachusetts for the date of August 21.
August 21 All-Time Records
1893–2024
Highest temperature 96 °F 1955
Lowest temperature 44 °F 1981
Lowest daily high 64 °F 1913
Highest daily low 76 °F 1937
Most precipitation 4.14 inches 1893
August 21 Average Weather
1991–2020 1
Average high 79.6 °F
Average low 60.2 °F
Chance precipitation 40.2%
Plymouth August 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 86 64 0.58 n/a
2022 86 64 0.00 n/a
2021 85 68 0.00 n/a
2020 86 57 0.00 n/a
2019 83 64 0.03 n/a
2018 71 66 0.00 n/a
2017 85 57 0.00 n/a
2016 86 60 0.00 n/a
2015 84 73 0.24 n/a
2014 76 55 0.00 n/a
2013 88 60 0.00 n/a
2012 81 61 0.00 n/a
2011 85 69 0.01 n/a
2010 81 54 0.00 n/a
2009 87 75 0.00 n/a
2008 77 49 0.00 n/a
2007 67 51 0.01 n/a
2006 75 58 0.01 n/a
2005 86 66 0.00 n/a
2004 78 62 0.37 n/a
2003 87 63 0.00 n/a
2002 77 56 0.01 n/a
2001 81 66 0.00 n/a
2000 73 46 0.01 n/a
1999 65 60 0.22 n/a
1998 78 57 0.00 n/a
1997 66 58 n/a n/a
1996 81 62 0.00 0.0
1995 94 55 0.00 0.0
1994 81 66 0.81 0.0
1993 76 56 0.00 0.0
1992 77 52 0.00 0.0
1991 65 59 0.36 0.0
1990 71 60 0.00 0.0
1989 84 67 0.00 0.0
1988 78 52 0.00 0.0
1987 85 56 0.00 0.0
1986 72 53 0.00 0.0
1985 79 54 0.00 0.0
1984 74 50 0.00 0.0
1983 92 58 0.00 0.0
1982 84 59 0.00 0.0
1981 73 44 0.00 0.0
1980 66 60 0.14 0.0
1979 69 54 0.00 0.0
1978 82 64 0.00 0.0
1977 78 49 0.00 0.0
1976 80 52 0.00 0.0
1975 78 51 0.00 0.0
1974 76 59 0.00 0.0
1973 73 49 0.00 0.0
1972 72 52 0.00 0.0
1971 85 65 0.00 0.0
1970 75 65 0.88 0.0
1969 75 50 0.00 0.0
1968 81 65 0.02 0.0
1967 85 62 0.01 0.0
1966 75 58 0.00 0.0
1965 73 54 0.00 0.0
1964 73 53 0.00 0.0
1963 85 65 0.00 0.0
1962 87 66 0.00 0.0
1961 70 61 1.13 0.0
1960 89 67 0.00 0.0
1959 95 69 0.00 0.0
1958 85 63 0.00 0.0
1957 75 58 0.00 0.0
1956 69 57 0.56 0.0
1955 96 73 0.00 0.0
1954 80 65 0.00 0.0
1953 70 50 0.00 0.0
1952 78 54 0.19 0.0
1951 78 66 0.00 0.0
1950 72 60 n/a 0.0
1949 76 53 0.00 0.0
1948 76 56 0.00 0.0
1947 72 64 0.00 0.0
1946 79 68 0.00 0.0
1945 93 65 0.00 0.0
1944 85 58 0.00 n/a
1943 82 59 0.00 n/a
1942 90 69 0.00 n/a
1941 72 50 0.00 n/a
1940 67 57 0.00 n/a
1939 88 73 0.00 n/a
1938 85 62 0.00 n/a
1937 93 76 0.00 n/a
1936 73 62 0.00 n/a
1935 84 69 0.00 0.0
1934 85 57 0.00 0.0
1933 69 63 0.72 0.0
1932 69 60 0.00 n/a
1931 69 60 n/a n/a
1930 65 60 0.00 0.0
1929 65 51 0.00 n/a
1928 70 57 0.00 n/a
1927 n/a n/a n/a n/a
1926 65 56 0.00 n/a
1925 n/a 58 0.09 n/a
1924 75 60 0.05 n/a
1923 66 53 0.00 n/a
1922 68 50 0.00 n/a
1921 n/a n/a n/a n/a
1920 65 50 0.00 n/a
1919 76 57 0.00 n/a
1918 n/a n/a n/a n/a
1917 80 66 0.10 n/a
1916 70 53 0.00 n/a
1915 70 58 0.00 n/a
1914 70 60 0.98 n/a
1913 64 48 0.00 n/a
1912 69 59 0.00 n/a
1911 70 52 0.00 n/a
1910 67 53 0.00 n/a
1909 82 60 0.06 n/a
1908 68 51 0.00 n/a
1907 85 67 0.00 n/a
1906 88 72 0.00 n/a
1905 n/a n/a 0.00 n/a
1904 n/a n/a 0.00 n/a
1903 n/a n/a 0.00 n/a
1902 n/a n/a 0.04 n/a
1901 n/a n/a 0.01 n/a
1900 n/a n/a n/a n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a 0.00 n/a
1897 n/a n/a 0.00 n/a
1896 n/a n/a 0.08 n/a
1895 n/a n/a 0.00 n/a
1894 n/a n/a 0.00 n/a
1893 n/a n/a 4.14 n/a
What's the all-time high for Plymouth on 8/21?
For the date of Aug 21, the highest temperature ever reached in Plymouth history is 96 °F which happened in 1955.
Highest Temperatures in Plymouth on August 21
Rank Temperature Year
1 96 °F 1955
2 95 °F 1959
3 94 °F 1995
4 93 °F 1937
4 93 °F 1945
6 92 °F 1983
7 90 °F 1942
8 89 °F 1960
9 88 °F 2013
9 88 °F 1939
9 88 °F 1906
What's the all-time low for Plymouth on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Plymouth history is 44 °F which happened in 1981.
Lowest Temperatures in Plymouth on August 21
Rank Temperature Year
1 44 °F 1981
2 46 °F 2000
3 48 °F 1913
4 49 °F 1977
4 49 °F 2008
4 49 °F 1973
7 50 °F 1941
7 50 °F 1920
7 50 °F 1984
7 50 °F 1922
7 50 °F 1953
7 50 °F 1969
Lowest High Temperatures in Plymouth on August 21
Rank Temperature Year
1 64 °F 1913
2 65 °F 1999
2 65 °F 1926
2 65 °F 1929
2 65 °F 1920
2 65 °F 1991
2 65 °F 1930
8 66 °F 1980
8 66 °F 1923
8 66 °F 1997
What's the most it has ever rained in Plymouth on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Plymouth history is 4.14 inches which happened in 1893.
All-Time Most Precipitation in Plymouth on August 21
Rank Precipitation Year
1 4.14 inches 1893
2 1.13 inches 1961
3 0.98 inches 1914
4 0.88 inches 1970
5 0.81 inches 1994
6 0.72 inches 1933
7 0.58 inches 2023
8 0.56 inches 1956
9 0.37 inches 2004
10 0.36 inches 1991
Weather Station Details
Years Station Coordinates
1997–2024 Plymouth Municipal Airport location
1893–1996 Plymouth-Kingston location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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