Juneau December 21 Weather Records

Daily averages and all-time records for weather in Juneau, Alaska for the date of December 21.
December 21 All-Time Records
1890–2024
Highest temperature 47 °F 1999
Lowest temperature -3 °F 1961
Lowest daily high 10 °F 1961
Highest daily low 43 °F 1999
Most precipitation 1.40 inches 1912
Most snow 7.1 inches 2021
December 21 Average Weather
1991–2020 1
Average high 34.5 °F
Average low 25.8 °F
Chance precipitation 69.1%
Chance snow 32.0%
Juneau December 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 39 29 0.00 0.0
2022 17 7 0.00 0.0
2021 33 18 0.36 7.1
2020 37 34 0.01 0.0
2019 35 32 0.09 1.7
2018 34 27 0.00 0.0
2017 34 18 0.00 0.0
2016 39 35 0.34 0.0
2015 38 33 0.04 0.1
2014 39 34 0.15 0.0
2013 26 13 0.10 0.8
2012 18 3 0.00 0.0
2011 38 34 0.58 0.0
2010 22 4 0.00 0.0
2009 20 10 0.00 0.0
2008 28 3 0.00 0.0
2007 36 30 0.44 0.3
2006 37 32 0.45 2.2
2005 46 41 0.38 0.0
2004 35 29 0.00 0.0
2003 44 37 0.85 0.0
2002 24 19 0.00 0.0
2001 37 33 0.24 0.5
2000 33 19 0.00 0.0
1999 47 43 0.09 0.0
1998 24 15 0.00 0.0
1997 37 32 0.78 1.3
1996 22 15 0.00 0.0
1995 42 34 0.04 0.0
1994 40 34 0.74 0.0
1993 40 35 0.58 0.0
1992 21 7 0.03 0.5
1991 40 32 0.26 0.7
1990 28 20 0.01 0.0
1989 33 22 0.52 4.6
1988 30 26 0.00 0.1
1987 39 36 0.06 0.0
1986 40 30 0.00 0.0
1985 44 42 0.52 0.0
1984 20 11 0.26 3.5
1983 24 1 0.00 0.0
1982 30 16 0.00 0.0
1981 36 32 0.02 0.0
1980 25 14 0.00 0.0
1979 33 28 0.19 1.8
1978 30 18 0.02 0.3
1977 20 5 0.00 0.0
1976 42 33 0.19 0.0
1975 39 32 0.00 0.0
1974 33 28 0.00 0.0
1973 37 31 0.01 0.0
1972 25 3 0.00 0.0
1971 13 1 0.00 0.0
1970 26 8 0.00 0.0
1969 32 21 0.00 0.0
1968 31 9 0.00 0.0
1967 23 12 0.00 0.0
1966 33 25 0.04 0.5
1965 33 28 0.26 3.0
1964 24 3 0.00 0.0
1963 35 12 0.05 0.6
1962 33 23 0.00 0.0
1961 10 -3 0.03 1.2
1960 42 21 0.86 3.3
1959 40 35 0.41 n/a
1958 44 35 0.18 0.0
1957 24 18 0.00 n/a
1956 34 30 0.26 n/a
1955 20 5 0.00 0.0
1954 42 34 0.10 0.0
1953 45 32 0.33 0.0
1952 40 34 0.15 0.0
1951 28 23 0.12 n/a
1950 40 30 0.20 n/a
1949 34 25 0.01 0.0
1948 36 30 0.28 n/a
1947 40 34 0.46 0.0
1946 31 22 0.00 n/a
1945 35 29 0.01 n/a
1944 41 27 0.00 0.0
1943 44 39 0.38 n/a
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 n/a 24 0.00 n/a
1915 37 31 0.16 n/a
1914 36 32 0.55 n/a
1913 35 31 0.05 n/a
1912 38 35 1.40 n/a
1911 36 35 0.10 n/a
1910 38 27 0.00 n/a
1909 38 31 0.00 n/a
1908 37 26 0.47 0.0
1907 37 31 0.00 0.0
1906 43 35 0.20 2.0
1905 38 31 0.05 n/a
1904 29 20 0.00 n/a
1903 n/a n/a n/a n/a
1902 12 9 n/a n/a
1901 42 32 0.33 1.0
1900 39 36 0.50 0.0
1899 36 31 n/a 1.0
1898 40 35 0.76 n/a
1897 n/a n/a n/a n/a
1896 43 34 0.27 n/a
1895 n/a n/a n/a n/a
1894 19 11 0.00 0.0
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 12/21?
For the date of Dec 21, the highest temperature ever reached in Juneau history is 47 °F which happened in 1999.
Highest Temperatures in Juneau on December 21
Rank Temperature Year
1 47 °F 1999
2 46 °F 2005
3 45 °F 1953
4 44 °F 1943
4 44 °F 1958
4 44 °F 1985
4 44 °F 2003
8 43 °F 1906
8 43 °F 1896
10 42 °F 1995
10 42 °F 1954
10 42 °F 1976
10 42 °F 1960
10 42 °F 1901
What's the all-time low for Juneau on 12/21?
For the date of Dec 21, the lowest temperature ever reached in Juneau history is -3 °F which happened in 1961.
Lowest Temperatures in Juneau on December 21
Rank Temperature Year
1 -3 °F 1961
2 1 °F 1983
2 1 °F 1971
4 3 °F 1964
4 3 °F 1972
4 3 °F 2012
4 3 °F 2008
8 4 °F 2010
9 5 °F 1955
9 5 °F 1977
Lowest High Temperatures in Juneau on December 21
Rank Temperature Year
1 10 °F 1961
2 12 °F 1902
3 13 °F 1971
4 17 °F 2022
5 18 °F 2012
6 19 °F 1894
7 20 °F 1955
7 20 °F 1977
7 20 °F 1984
7 20 °F 2009
What's the most it has ever rained in Juneau on 12/21?
For the date of Dec 21, the most precipitation ever recorded in Juneau history is 1.40 inches which happened in 1912.
All-Time Most Precipitation in Juneau on December 21
Rank Precipitation Year
1 1.40 inches 1912
2 0.86 inches 1960
3 0.85 inches 2003
4 0.78 inches 1997
5 0.76 inches 1898
6 0.74 inches 1994
7 0.58 inches 1993
7 0.58 inches 2011
9 0.55 inches 1914
10 0.52 inches 1985
10 0.52 inches 1989
All-Time Most Snow in Juneau on December 21
Rank Precipitation Year
1 7.1 inches 2021
2 4.6 inches 1989
3 3.5 inches 1984
4 3.3 inches 1960
5 3.0 inches 1965
6 2.2 inches 2006
7 2.0 inches 1906
8 1.8 inches 1979
9 1.7 inches 2019
10 1.3 inches 1997
Weather Station Details
Years Station Coordinates
1960–2024 Juneau International Airport location
1890–1959 Downtown Juneau location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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