Trenton August 21 Weather Records

Daily averages and all-time records for weather in Trenton, New Jersey for the date of August 21.
August 21 All-Time Records
1865–2024
Highest temperature 96 °F 1955
Lowest temperature 47 °F 1977
Lowest daily high 63 °F 2007
Highest daily low 74 °F 1968
Most precipitation 2.53 inches 1888
Most snow none -
August 21 Average Weather
1991–2020 1
Average high 83.5 °F
Average low 63.9 °F
Chance precipitation 30.7%
Chance snow 0%
Trenton August 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 86 66 0.00 0.0
2022 86 66 0.00 0.0
2021 82 69 0.29 0.0
2020 84 61 0.00 0.0
2019 89 73 0.45 0.0
2018 79 66 0.36 0.0
2017 87 63 0.00 0.0
2016 88 70 0.23 0.0
2015 85 69 0.45 0.0
2014 85 66 1.26 0.0
2013 88 64 0.00 0.0
2012 82 62 0.00 0.0
2011 84 70 1.15 0.0
2010 89 63 0.00 0.0
2009 93 72 0.61 0.0
2008 84 54 0.00 0.0
2007 63 57 0.79 0.0
2006 86 65 0.00 0.0
2005 91 73 0.00 0.0
2004 84 61 0.36 0.0
2003 89 68 0.00 0.0
2002 87 64 0.00 0.0
2001 81 66 0.00 0.0
2000 73 49 0.00 0.0
1999 65 59 0.03 0.0
1998 88 56 0.03 0.0
1997 78 62 0.00 0.0
1996 78 62 0.03 0.0
1995 92 56 0.00 0.0
1994 86 68 1.73 0.0
1993 82 62 0.00 0.0
1992 80 49 0.00 0.0
1991 83 67 0.00 0.0
1990 67 58 0.00 0.0
1989 85 71 0.00 0.0
1988 82 52 0.00 0.0
1987 88 58 0.00 0.0
1986 68 59 0.57 0.0
1985 74 61 0.42 0.0
1984 78 48 0.00 0.0
1983 90 63 0.00 0.0
1982 77 56 0.00 0.0
1981 84 56 0.00 0.0
1980 77 63 0.00 0.0
1979 76 61 0.02 0.0
1978 85 60 0.00 0.0
1977 76 47 0.00 0.0
1976 89 61 0.00 0.0
1975 80 61 0.00 0.0
1974 83 65 0.00 0.0
1973 75 63 0.00 0.0
1972 84 62 0.00 0.0
1971 89 72 0.00 0.0
1970 83 66 0.00 0.0
1969 77 56 0.00 0.0
1968 89 74 0.00 0.0
1967 82 69 0.13 0.0
1966 86 65 0.00 0.0
1965 84 61 0.06 0.0
1964 81 63 0.00 0.0
1963 86 70 0.00 0.0
1962 80 70 0.06 0.0
1961 78 61 0.73 0.0
1960 91 72 0.00 0.0
1959 94 70 0.00 0.0
1958 88 67 0.02 0.0
1957 83 61 0.00 0.0
1956 66 59 1.10 0.0
1955 96 70 0.28 0.0
1954 73 62 0.90 0.0
1953 75 61 0.00 0.0
1952 80 63 0.01 0.0
1951 86 70 1.06 0.0
1950 74 55 0.00 0.0
1949 82 54 0.00 0.0
1948 77 66 0.07 0.0
1947 75 67 0.06 0.0
1946 80 61 0.03 0.0
1945 88 67 0.00 0.0
1944 86 61 0.00 0.0
1943 82 59 0.00 0.0
1942 89 72 0.00 0.0
1941 81 59 0.00 0.0
1940 76 54 0.00 0.0
1939 90 73 0.00 0.0
1938 87 64 0.00 0.0
1937 95 72 1.13 0.0
1936 82 70 0.01 0.0
1935 88 69 0.00 0.0
1934 75 56 0.00 0.0
1933 69 63 1.24 0.0
1932 82 61 0.00 0.0
1931 69 64 0.10 0.0
1930 72 60 0.00 0.0
1929 79 56 0.00 0.0
1928 81 60 0.00 0.0
1927 74 61 0.00 0.0
1926 66 59 0.24 0.0
1925 74 57 0.35 0.0
1924 80 66 0.00 0.0
1923 84 61 0.00 0.0
1922 78 54 0.00 0.0
1921 77 62 0.00 0.0
1920 75 64 0.06 0.0
1919 86 66 0.00 0.0
1918 82 58 0.00 0.0
1917 89 67 0.23 0.0
1916 96 63 0.00 0.0
1915 77 66 0.00 0.0
1914 88 67 0.75 0.0
1913 75 57 0.00 0.0
1912 86 62 0.00 0.0
1911 82 63 0.00 0.0
1910 83 57 0.00 0.0
1909 75 64 0.00 0.0
1908 83 51 0.00 0.0
1907 84 70 0.17 0.0
1906 87 70 1.36 0.0
1905 85 66 0.00 0.0
1904 84 66 0.00 0.0
1903 81 63 0.00 0.0
1902 76 63 1.22 0.0
1901 88 74 0.00 0.0
1900 71 66 0.19 0.0
1899 94 69 0.36 0.0
1898 84 60 0.00 0.0
1897 84 60 n/a 0.0
1896 80 60 0.00 0.0
1895 82 60 0.00 0.0
1894 78 68 0.00 0.0
1893 82 65 0.00 0.0
1892 86 n/a 0.02 0.0
1891 85 n/a 0.16 0.0
1890 84 n/a 0.42 0.0
1889 90 n/a 0.00 0.0
1888 72 n/a 2.53 0.0
1887 85 n/a 0.00 0.0
1886 n/a n/a n/a n/a
1885 n/a n/a n/a n/a
1884 n/a n/a n/a n/a
1883 n/a n/a n/a n/a
1882 n/a n/a n/a n/a
1881 n/a n/a n/a n/a
1880 88 n/a 0.18 0.0
1879 84 n/a 0.00 0.0
1878 83 n/a 0.20 0.0
1877 86 n/a 0.00 0.0
1876 73 n/a 0.00 0.0
1875 82 n/a 0.00 0.0
1874 91 n/a 0.00 0.0
1873 82 n/a 2.00 0.0
1872 86 n/a 0.00 0.0
1871 80 n/a 0.00 0.0
1870 78 n/a 0.00 0.0
1869 96 n/a 0.00 0.0
1868 79 n/a 0.60 0.0
1867 82 n/a 0.00 0.0
1866 76 n/a 0.35 0.0
1865 92 n/a n/a n/a
What's the all-time high for Trenton on 8/21?
For the date of Aug 21, the highest temperature ever reached in Trenton history is 96 °F which has happened 3 times, most recently in 1955.
Highest Temperatures in Trenton on August 21
Rank Temperature Year
1 96 °F 1955
1 96 °F 1869
1 96 °F 1916
4 95 °F 1937
5 94 °F 1899
5 94 °F 1959
7 93 °F 2009
8 92 °F 1995
8 92 °F 1865
10 91 °F 1960
10 91 °F 1874
10 91 °F 2005
What's the all-time low for Trenton on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Trenton history is 47 °F which happened in 1977.
Lowest Temperatures in Trenton on August 21
Rank Temperature Year
1 47 °F 1977
2 48 °F 1984
3 49 °F 2000
3 49 °F 1992
5 51 °F 1908
6 52 °F 1988
7 54 °F 1940
7 54 °F 1949
7 54 °F 1922
7 54 °F 2008
Lowest High Temperatures in Trenton on August 21
Rank Temperature Year
1 63 °F 2007
2 65 °F 1999
3 66 °F 1926
3 66 °F 1956
5 67 °F 1990
6 68 °F 1986
7 69 °F 1931
7 69 °F 1933
9 71 °F 1900
10 72 °F 1930
10 72 °F 1888
What's the most it has ever rained in Trenton on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Trenton history is 2.53 inches which happened in 1888.
All-Time Most Precipitation in Trenton on August 21
Rank Precipitation Year
1 2.53 inches 1888
2 2.00 inches 1873
3 1.73 inches 1994
4 1.36 inches 1906
5 1.26 inches 2014
6 1.24 inches 1933
7 1.22 inches 1902
8 1.15 inches 2011
9 1.13 inches 1937
10 1.10 inches 1956
Weather Station Details
Years Station Coordinates
1999–2024 Trenton Mercer County Airport location
1977–1998 Trenton State College location
1913–1976 Trenton location
1865–1913 Trenton 2 location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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