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 1890–2023
Highest temperature	47 °F	1999
Lowest temperature	-3 °F	1961
Lowest daily high	10 °F	1961
Highest daily low	43 °F	1999
Most precipitation	1.4 inches	1912
Most snow	7.1 inches	2021

December 21 All-Time Records
1890–2023

Highest temperature

47 °F

-3 °F

10 °F

Highest daily low

43 °F

1.4 inches

7.1 inches

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%

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)
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
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
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
1896	43	34	0.27	n/a
1894	19	11	0.00	0.0

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	1958
4	44 °F	1943
4	44 °F	1985
4	44 °F	2003
8	43 °F	1906
8	43 °F	1896
10	42 °F	1960
10	42 °F	1901
10	42 °F	1976
10	42 °F	1954
10	42 °F	1995

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	1971
2	1 °F	1983
4	3 °F	1972
4	3 °F	2008
4	3 °F	2012
4	3 °F	1964
8	4 °F	2010
9	5 °F	1977
9	5 °F	1955

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	2009
7	20 °F	1977
7	20 °F	1955
7	20 °F	1984

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	1989
10	0.52 inches	1985

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
1960–2023	Juneau International Airport	location
1890–1959	Downtown Juneau	location