Juneau August 20 Weather Records

Daily averages and all-time records for weather in Juneau, Alaska for the date of August 20.
August 20 All-Time Records
1890–2024
Highest temperature 83 °F 1977
Lowest temperature 39 °F 1973
Lowest daily high 51 °F 1970
Highest daily low 57 °F 1913
Most precipitation 1.60 inches 1912
Most snow none -
August 20 Average Weather
1991–2020 1
Average high 61.9 °F
Average low 48.9 °F
Chance precipitation 66.2%
Chance snow 0%
Juneau August 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 67 48 0.00 0.0
2022 71 52 0.00 0.0
2021 62 46 0.01 0.0
2020 64 50 0.01 0.0
2019 63 40 0.00 0.0
2018 73 45 0.00 0.0
2017 57 50 0.43 0.0
2016 65 47 0.00 0.0
2015 64 47 0.23 0.0
2014 67 44 0.00 0.0
2013 57 52 0.11 0.0
2012 68 50 0.00 0.0
2011 59 55 1.38 0.0
2010 60 50 0.04 0.0
2009 59 50 0.12 0.0
2008 76 48 0.00 0.0
2007 61 51 0.00 0.0
2006 64 47 0.00 0.0
2005 57 51 0.23 0.0
2004 65 53 0.02 0.0
2003 55 49 0.27 0.0
2002 54 51 0.29 0.0
2001 60 51 0.02 0.0
2000 55 50 0.66 0.0
1999 60 51 0.04 0.0
1998 61 45 0.00 0.0
1997 68 51 0.01 0.0
1996 56 51 0.43 0.0
1995 67 47 0.00 0.0
1994 60 52 0.12 0.0
1993 63 47 0.00 0.0
1992 65 42 0.00 0.0
1991 55 49 0.35 0.0
1990 65 49 0.00 0.0
1989 57 50 0.26 0.0
1988 53 50 0.02 0.0
1987 63 44 0.00 0.0
1986 62 41 0.00 0.0
1985 52 47 0.23 0.0
1984 55 50 1.06 0.0
1983 59 53 0.26 0.0
1982 72 43 0.00 0.0
1981 56 52 0.62 0.0
1980 59 49 0.08 0.0
1979 71 45 0.00 0.0
1978 59 41 0.38 0.0
1977 83 48 0.00 0.0
1976 57 50 0.28 0.0
1975 56 48 0.36 0.0
1974 55 41 0.18 0.0
1973 73 39 0.00 0.0
1972 68 48 0.00 0.0
1971 62 50 0.11 0.0
1970 51 48 0.02 0.0
1969 51 43 0.47 0.0
1968 67 42 0.00 0.0
1967 56 51 0.30 0.0
1966 56 44 0.41 0.0
1965 68 47 0.00 0.0
1964 57 47 0.20 0.0
1963 58 49 0.17 0.0
1962 55 48 0.21 0.0
1961 68 48 0.00 0.0
1960 64 43 0.00 0.0
1959 59 52 0.07 0.0
1958 60 52 0.82 0.0
1957 62 50 0.04 0.0
1956 60 50 1.19 0.0
1955 56 47 0.01 0.0
1954 70 51 0.10 0.0
1953 71 41 0.00 0.0
1952 55 47 0.78 0.0
1951 55 49 0.45 0.0
1950 66 52 0.02 0.0
1949 64 42 0.00 0.0
1948 56 49 0.02 0.0
1947 64 43 0.00 0.0
1946 60 48 0.04 0.0
1945 55 47 0.23 0.0
1944 57 49 0.07 0.0
1943 67 44 0.00 0.0
1942 n/a n/a n/a n/a
1941 n/a n/a n/a n/a
1940 n/a n/a n/a n/a
1939 n/a n/a n/a n/a
1938 n/a n/a n/a n/a
1937 n/a n/a n/a n/a
1936 n/a n/a n/a n/a
1935 n/a n/a n/a n/a
1934 n/a n/a n/a n/a
1933 n/a n/a n/a n/a
1932 n/a n/a n/a n/a
1931 n/a n/a n/a n/a
1930 n/a n/a n/a n/a
1929 n/a n/a n/a 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 55 50 0.17 0.0
1915 73 n/a n/a n/a
1914 60 50 0.18 n/a
1913 65 57 n/a n/a
1912 57 52 1.60 n/a
1911 68 57 0.00 0.0
1910 n/a n/a 0.00 0.0
1909 60 51 0.64 0.0
1908 57 50 0.00 0.0
1907 60 53 0.23 0.0
1906 66 39 0.00 0.0
1905 55 50 0.28 0.0
1904 67 45 0.62 0.0
1903 54 50 0.00 0.0
1902 57 48 0.28 0.0
1901 59 46 0.60 n/a
1900 71 46 0.00 n/a
1899 66 47 0.00 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 52 42 1.16 n/a
1894 n/a n/a n/a n/a
1893 n/a n/a n/a n/a
1892 n/a n/a n/a n/a
1891 n/a n/a n/a n/a
1890 n/a n/a n/a n/a
What's the all-time high for Juneau on 8/20?
For the date of Aug 20, the highest temperature ever reached in Juneau history is 83 °F which happened in 1977.
Highest Temperatures in Juneau on August 20
Rank Temperature Year
1 83 °F 1977
2 76 °F 2008
3 73 °F 1915
3 73 °F 2018
3 73 °F 1973
6 72 °F 1982
7 71 °F 1979
7 71 °F 1953
7 71 °F 2022
7 71 °F 1900
What's the all-time low for Juneau on 8/20?
For the date of Aug 20, the lowest temperature ever reached in Juneau history is 39 °F which has happened 2 times, most recently in 1973.
Lowest Temperatures in Juneau on August 20
Rank Temperature Year
1 39 °F 1973
1 39 °F 1906
3 40 °F 2019
4 41 °F 1974
4 41 °F 1978
4 41 °F 1953
4 41 °F 1986
8 42 °F 1992
8 42 °F 1949
8 42 °F 1895
8 42 °F 1968
Lowest High Temperatures in Juneau on August 20
Rank Temperature Year
1 51 °F 1969
1 51 °F 1970
3 52 °F 1895
3 52 °F 1985
5 53 °F 1988
6 54 °F 2002
6 54 °F 1903
8 55 °F 1945
8 55 °F 1991
8 55 °F 2000
8 55 °F 1916
8 55 °F 1905
8 55 °F 1962
8 55 °F 1984
8 55 °F 1951
8 55 °F 1952
8 55 °F 2003
8 55 °F 1974
What's the most it has ever rained in Juneau on 8/20?
For the date of Aug 20, the most precipitation ever recorded in Juneau history is 1.60 inches which happened in 1912.
All-Time Most Precipitation in Juneau on August 20
Rank Precipitation Year
1 1.60 inches 1912
2 1.38 inches 2011
3 1.19 inches 1956
4 1.16 inches 1895
5 1.06 inches 1984
6 0.82 inches 1958
7 0.78 inches 1952
8 0.66 inches 2000
9 0.64 inches 1909
10 0.62 inches 1981
10 0.62 inches 1904
Weather Station Details
Years Station Coordinates
1960–2024 Juneau International Airport location
1890–1959 Downtown Juneau location