Manchester August 21 Weather Records

Daily averages and all-time records for weather in Manchester, New Hampshire for the date of August 21.
August 21 All-Time Records
1885–2024
Highest temperature 94 °F 1983
Lowest temperature 42 °F 1990
Lowest daily high 61 °F 1956
Highest daily low 72 °F 2015
Most precipitation 0.91 inches 2004
August 21 Average Weather
1991–2020 1
Average high 81.3 °F
Average low 59.5 °F
Chance precipitation 30.8%
Manchester August 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 86 62 0.00 0.0
2022 92 65 0.00 0.0
2021 87 70 0.00 0.0
2020 91 58 0.00 0.0
2019 79 64 0.04 0.0
2018 72 58 0.00 0.0
2017 85 60 0.00 0.0
2016 87 67 0.11 0.0
2015 84 72 0.56 0.0
2014 69 57 0.61 n/a
2013 89 63 0.00 n/a
2012 83 63 0.00 n/a
2011 86 65 0.13 n/a
2010 79 54 0.00 n/a
2009 92 71 0.19 n/a
2008 80 51 0.00 n/a
2007 71 49 0.00 n/a
2006 76 62 0.01 n/a
2005 90 69 0.00 n/a
2004 76 60 0.91 n/a
2003 n/a n/a 0.02 n/a
2002 84 60 0.00 n/a
2001 81 63 0.07 n/a
2000 75 49 0.00 n/a
1999 62 56 0.52 n/a
1998 78 51 0.00 0.0
1997 79 50 0.07 0.0
1996 85 58 0.00 0.0
1995 78 48 0.00 0.0
1994 n/a n/a n/a n/a
1993 79 56 0.00 0.0
1992 72 47 0.00 0.0
1991 79 52 0.86 0.0
1990 70 42 0.00 0.0
1989 82 60 0.04 0.0
1988 78 52 0.00 0.0
1987 82 49 0.00 0.0
1986 76 56 0.00 0.0
1985 80 52 0.01 0.0
1984 75 46 0.00 0.0
1983 94 59 0.00 0.0
1982 n/a n/a n/a n/a
1981 78 48 0.00 0.0
1980 63 57 0.06 0.0
1979 75 54 0.00 0.0
1978 83 62 0.00 0.0
1977 74 44 0.00 0.0
1976 85 58 0.00 0.0
1975 77 44 0.00 0.0
1974 87 55 0.00 0.0
1973 78 53 0.00 0.0
1972 78 47 0.00 0.0
1971 87 58 0.00 0.0
1970 73 65 0.03 0.0
1969 77 46 0.00 0.0
1968 82 62 0.40 0.0
1967 84 58 0.44 0.0
1966 86 47 0.00 0.0
1965 80 50 0.00 0.0
1964 78 43 0.33 0.0
1963 73 50 0.11 0.0
1962 88 53 0.00 0.0
1961 85 59 0.15 0.0
1960 n/a n/a 0.28 0.0
1959 n/a n/a 0.00 0.0
1958 86 58 0.00 0.0
1957 76 52 0.00 0.0
1956 61 54 0.33 0.0
1955 88 65 0.00 0.0
1954 74 53 0.00 0.0
1953 72 46 0.00 0.0
1952 76 57 0.00 0.0
1951 70 58 0.32 0.0
1950 72 54 0.00 0.0
1949 75 52 0.00 0.0
1948 80 58 0.00 0.0
1947 71 60 0.00 0.0
1946 73 53 0.00 0.0
1945 85 61 0.00 0.0
1944 82 54 0.15 n/a
1943 78 52 0.00 n/a
1942 83 68 0.00 n/a
1941 75 47 0.00 n/a
1940 70 50 0.00 n/a
1939 85 72 0.04 n/a
1938 82 59 0.00 n/a
1937 89 71 0.06 n/a
1936 70 49 0.02 n/a
1935 85 67 0.00 0.0
1934 75 48 0.00 0.0
1933 69 59 0.10 0.0
1932 81 50 0.00 0.0
1931 74 55 n/a n/a
1930 72 55 0.00 0.0
1929 73 43 0.00 n/a
1928 n/a n/a n/a n/a
1927 n/a n/a n/a 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 n/a n/a
1914 n/a n/a n/a n/a
1913 n/a n/a n/a n/a
1912 n/a n/a n/a n/a
1911 n/a n/a n/a n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 n/a n/a n/a n/a
1894 n/a n/a n/a n/a
1893 63 59 0.38 n/a
1892 80 64 0.00 n/a
1891 n/a n/a n/a n/a
1890 72 53 0.00 n/a
1889 n/a n/a n/a n/a
1888 73 53 0.00 n/a
1887 74 52 n/a n/a
1886 76 42 0.00 n/a
1885 74 44 0.00 n/a
What's the all-time high for Manchester on 8/21?
For the date of Aug 21, the highest temperature ever reached in Manchester history is 94 °F which happened in 1983.
Highest Temperatures in Manchester on August 21
Rank Temperature Year
1 94 °F 1983
2 92 °F 2009
2 92 °F 2022
4 91 °F 2020
5 90 °F 2005
6 89 °F 1937
6 89 °F 2013
8 88 °F 1955
8 88 °F 1962
10 87 °F 2016
10 87 °F 1974
10 87 °F 1971
10 87 °F 2021
What's the all-time low for Manchester on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Manchester history is 42 °F which has happened 2 times, most recently in 1990.
Lowest Temperatures in Manchester on August 21
Rank Temperature Year
1 42 °F 1886
1 42 °F 1990
3 43 °F 1929
3 43 °F 1964
5 44 °F 1975
5 44 °F 1885
5 44 °F 1977
8 46 °F 1984
8 46 °F 1953
8 46 °F 1969
Lowest High Temperatures in Manchester on August 21
Rank Temperature Year
1 61 °F 1956
2 62 °F 1999
3 63 °F 1893
3 63 °F 1980
5 69 °F 1933
5 69 °F 2014
7 70 °F 1951
7 70 °F 1990
7 70 °F 1940
7 70 °F 1936
What's the most it has ever rained in Manchester on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Manchester history is 0.91 inches which happened in 2004.
All-Time Most Precipitation in Manchester on August 21
Rank Precipitation Year
1 0.91 inches 2004
2 0.86 inches 1991
3 0.61 inches 2014
4 0.56 inches 2015
5 0.52 inches 1999
6 0.44 inches 1967
7 0.40 inches 1968
8 0.38 inches 1893
9 0.33 inches 1964
9 0.33 inches 1956
Weather Station Details
Years Station Coordinates
1999–2024 Manchester Airport location
1972–1998 Massabesic Lake location
1885–1971 Manchester location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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