Trenton July 21 Weather Records

Daily averages and all-time records for weather in Trenton, New Jersey for the date of July 21.
July 21 All-Time Records
1865–2024
Highest temperature 101 °F 1991
Lowest temperature 55 °F 1997
Lowest daily high 69 °F 1956
Highest daily low 78 °F 1980
Most precipitation 2.28 inches 1967
Most snow none -
July 21 Average Weather
1991–2020 1
Average high 86.7 °F
Average low 66.7 °F
Chance precipitation 33.9%
Chance snow 0%
Trenton July 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 83 66 0.40 0.0
2022 96 75 0.00 0.0
2021 82 66 0.08 0.0
2020 94 72 0.01 0.0
2019 97 74 0.23 0.0
2018 77 62 0.95 0.0
2017 92 72 0.00 0.0
2016 88 65 0.00 0.0
2015 87 69 0.00 0.0
2014 84 61 0.00 0.0
2013 88 73 0.04 0.0
2012 79 63 0.00 0.0
2011 100 75 0.00 0.0
2010 93 73 0.15 0.0
2009 70 65 0.94 0.0
2008 91 72 0.00 0.0
2007 84 59 0.00 0.0
2006 91 71 0.82 0.0
2005 91 68 0.00 0.0
2004 88 65 0.00 0.0
2003 89 67 0.73 0.0
2002 86 70 0.00 0.0
2001 85 58 0.00 0.0
2000 82 58 0.09 0.0
1999 85 68 0.00 0.0
1998 93 67 0.00 0.0
1997 87 55 0.00 0.0
1996 79 55 0.00 0.0
1995 80 70 0.82 0.0
1994 91 75 0.00 0.0
1993 82 62 0.00 0.0
1992 88 69 0.00 0.0
1991 101 75 0.04 0.0
1990 85 68 0.01 0.0
1989 73 67 0.04 0.0
1988 89 71 1.78 0.0
1987 99 68 0.13 0.0
1986 86 67 0.00 0.0
1985 92 66 0.12 0.0
1984 72 66 0.77 0.0
1983 95 70 0.20 0.0
1982 86 62 0.00 0.0
1981 91 71 0.10 0.0
1980 100 78 0.00 0.0
1979 78 68 0.10 0.0
1978 87 73 0.00 0.0
1977 99 75 0.00 0.0
1976 85 71 0.01 0.0
1975 89 70 0.36 0.0
1974 80 60 0.00 0.0
1973 85 66 0.27 0.0
1972 94 74 0.01 0.0
1971 82 60 0.00 0.0
1970 78 65 0.00 0.0
1969 77 68 0.05 0.0
1968 87 64 0.00 0.0
1967 84 61 2.28 0.0
1966 81 58 0.00 0.0
1965 82 58 0.00 0.0
1964 89 69 0.02 0.0
1963 81 67 0.01 0.0
1962 89 71 0.00 0.0
1961 92 71 0.00 0.0
1960 83 60 0.00 0.0
1959 85 72 0.00 0.0
1958 76 64 0.00 0.0
1957 100 73 0.00 0.0
1956 69 62 1.59 0.0
1955 97 71 0.00 0.0
1954 87 70 0.00 0.0
1953 92 70 0.05 0.0
1952 94 70 1.38 0.0
1951 84 60 0.00 0.0
1950 80 59 0.04 0.0
1949 89 69 0.27 0.0
1948 91 69 0.08 0.0
1947 80 63 0.02 0.0
1946 89 70 0.08 0.0
1945 89 72 0.00 0.0
1944 80 63 0.01 0.0
1943 92 67 0.00 0.0
1942 85 70 0.00 0.0
1941 82 61 0.00 0.0
1940 96 75 0.00 0.0
1939 78 60 0.00 0.0
1938 82 68 1.45 0.0
1937 81 62 0.00 0.0
1936 78 65 0.00 0.0
1935 89 67 0.00 0.0
1934 95 72 0.00 0.0
1933 89 71 0.00 0.0
1932 87 64 1.05 0.0
1931 92 74 0.32 0.0
1930 101 74 0.00 0.0
1929 74 56 0.00 0.0
1928 71 62 0.00 0.0
1927 84 63 0.00 0.0
1926 97 68 0.00 0.0
1925 76 68 0.13 0.0
1924 85 65 0.00 0.0
1923 96 70 0.00 0.0
1922 87 61 0.00 0.0
1921 79 64 0.00 0.0
1920 85 64 0.00 0.0
1919 80 73 1.08 0.0
1918 95 66 0.00 0.0
1917 86 71 0.00 0.0
1916 83 70 0.14 0.0
1915 73 64 0.01 0.0
1914 87 64 0.20 0.0
1913 82 64 0.00 0.0
1912 76 65 1.25 0.0
1911 n/a n/a n/a n/a
1910 87 61 0.00 0.0
1909 85 57 0.00 0.0
1908 81 66 0.00 0.0
1907 82 65 0.00 0.0
1906 88 74 0.00 0.0
1905 85 68 0.00 0.0
1904 85 65 0.00 0.0
1903 84 65 0.00 0.0
1902 86 71 0.46 0.0
1901 90 67 0.00 0.0
1900 90 70 0.16 0.0
1899 96 70 0.00 0.0
1898 95 70 0.60 0.0
1897 81 72 1.16 0.0
1896 86 76 0.00 0.0
1895 94 72 0.20 0.0
1894 95 n/a 0.40 0.0
1893 88 63 0.00 0.0
1892 84 n/a 0.00 0.0
1891 88 n/a 0.00 0.0
1890 78 n/a 0.00 0.0
1889 82 n/a 0.00 0.0
1888 82 n/a 0.00 0.0
1887 79 n/a n/a 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 79 n/a 0.00 0.0
1879 85 n/a 0.00 0.0
1878 92 n/a 0.00 0.0
1877 85 n/a 0.00 0.0
1876 88 n/a 0.00 0.0
1875 82 n/a 0.00 0.0
1874 81 n/a 0.00 0.0
1873 82 n/a 0.00 0.0
1872 85 n/a 0.00 0.0
1871 75 n/a 0.00 0.0
1870 90 n/a 0.00 0.0
1869 84 n/a 0.00 0.0
1868 80 n/a 0.15 0.0
1867 78 n/a 0.90 0.0
1866 72 n/a 0.00 0.0
1865 92 n/a n/a n/a
What's the all-time high for Trenton on 7/21?
For the date of Jul 21, the highest temperature ever reached in Trenton history is 101 °F which has happened 2 times, most recently in 1991.
Highest Temperatures in Trenton on July 21
Rank Temperature Year
1 101 °F 1930
1 101 °F 1991
3 100 °F 2011
3 100 °F 1957
3 100 °F 1980
6 99 °F 1977
6 99 °F 1987
8 97 °F 1955
8 97 °F 2019
8 97 °F 1926
What's the all-time low for Trenton on 7/21?
For the date of Jul 21, the lowest temperature ever reached in Trenton history is 55 °F which has happened 2 times, most recently in 1997.
Lowest Temperatures in Trenton on July 21
Rank Temperature Year
1 55 °F 1996
1 55 °F 1997
3 56 °F 1929
4 57 °F 1909
5 58 °F 1966
5 58 °F 1965
5 58 °F 2000
5 58 °F 2001
9 59 °F 1950
9 59 °F 2007
Lowest High Temperatures in Trenton on July 21
Rank Temperature Year
1 69 °F 1956
2 70 °F 2009
3 71 °F 1928
4 72 °F 1866
4 72 °F 1984
6 73 °F 1915
6 73 °F 1989
8 74 °F 1929
9 75 °F 1871
10 76 °F 1912
10 76 °F 1925
10 76 °F 1958
What's the most it has ever rained in Trenton on 7/21?
For the date of Jul 21, the most precipitation ever recorded in Trenton history is 2.28 inches which happened in 1967.
All-Time Most Precipitation in Trenton on July 21
Rank Precipitation Year
1 2.28 inches 1967
2 1.78 inches 1988
3 1.59 inches 1956
4 1.45 inches 1938
5 1.38 inches 1952
6 1.25 inches 1912
7 1.16 inches 1897
8 1.08 inches 1919
9 1.05 inches 1932
10 0.95 inches 2018
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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