Juneau, AK: December

31 December 2025: December 2025 averaged 17.9°F in Juneau, AK, the coldest December since 1964, 2nd coldest of 83.

December 2025

Mean temperature: 17.9°F; Coldest since 1964; 2nd coldest of 83
Precipitation: 6.31 in; Wettest since 2024; 26th wettest of 83

A normal December in Juneau, AK (1991 to 2020): a mean temperature of 31.6°F, between 25.1°F and 36°F in eight years of ten and 5.89 in of precipitation, between 3.70 in and 10.34 in in eight years of ten.

The mean temperature of every December in Juneau, AK since 1943: 17.9°F in 2025; the lowest is 16.6°F, in 1964.

Normal range, 25.1 to 36°F

Every year, ranked, as a table

Every December in Juneau, AK from 1943 to 2025, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank
2025	17.9	82	23.3	83	12.5	80	6.31	26
2024	33.3	22	37.8	16	28.8	23	7.54	16
2023	35.9	7	39.5	6	32.3	7	10.68	3
2022	25.4	59	29.8	60	21	57	3.47	61
2021	21.3	74	27.6	71	14.9	76	2.87	67
2020	36.5	4	39.9	2	33	5	12.74	2
2019	36.8	2	39.4	8	34.2	1	7.51	17
2018	33.3	22	37.5	20	29.1	21	5.63	34
2017	31.3	33	36	29	26.5	36	8.07	13
2016	25.7	57	31	55	20.5	59	6.73	24
2015	32	29	35.5	33	28.4	26	2.42	73
2014	33.4	21	38.1	14	28.7	24	3.29	63
2013	27.6	48	32.2	47	23	48	8.52	10
2012	23.8	64	28.8	64	18.8	64	4.92	42
2011	33.7	18	37.1	23	30.4	17	7.44	19
2010	23.1	68	28.8	64	17.4	68	1.90	80
2009	27.9	46	32.2	47	23.6	44	3.95	56
2008	22.2	70	28	70	16.5	72	3.92	57
2007	27.4	50	31.6	51	23.1	47	3.75	59
2006	34.3	14	37.7	18	30.9	13	9.37	8
2005	33.7	18	38.6	11	28.7	24	6.74	23
2004	32.1	28	36.7	26	27.5	33	10.67	4
2003	31.8	31	35.9	30	27.7	30	5.92	29
2002	31.9	30	35.9	30	27.9	29	5.86	31
2001	29	40	33.1	41	24.8	39	4.49	47
2000	31.2	35	35.6	32	26.7	35	4.17	54
1999	35.8	9	39.4	8	32.3	7	10.30	5
1998	27.9	46	32.3	46	23.5	45	5.45	36
1997	36.7	3	39.9	2	33.4	3	13.61	1
1996	26.5	54	30.9	57	22.1	54	4.73	44
1995	25.2	60	30.2	59	20.1	60	4.58	45
1994	27.6	48	32.4	45	22.9	50	6.22	27
1993	35.9	7	39.8	4	32	10	7.89	14
1992	25.5	58	31	55	20.1	60	5.73	33
1991	33.6	20	36.9	25	30.3	18	9.32	9
1990	23.6	65	29.1	63	18.2	67	6.03	28
1989	36	5	39.6	5	32.4	6	6.78	22
1988	31.3	33	34.8	36	27.7	30	4.75	43
1987	34.2	15	37.8	16	30.7	14	5.32	38
1986	36	5	38.9	10	33.1	4	6.42	25
1985	32.5	26	36.1	28	28.9	22	8.33	11
1984	24.2	63	29.2	61	19.3	63	5.10	40
1983	18.8	80	24.8	78	12.9	79	0.49	83
1982	31.6	32	34.8	36	28.4	26	1.17	82
1981	26.8	52	31.3	52	22.4	52	2.24	78
1980	21.7	71	26.4	75	17	69	2.27	77
1979	26.5	54	31.3	52	21.7	56	7.73	15
1978	28.2	41	32.6	42	23.9	41	4.46	49
1977	18.9	79	23.8	81	14	77	2.16	79
1976	34.4	13	37.3	22	31.5	12	5.56	35
1975	24.7	61	29.2	61	20.1	60	5.81	32
1974	33.8	17	37.1	23	30.5	16	7.03	21
1973	28	44	32.5	44	23.5	45	2.30	75
1972	23.5	66	28.6	67	18.5	65	3.56	60
1971	20.9	76	26.2	77	15.5	74	3.23	65
1970	21.5	73	26.5	73	16.6	71	2.58	70
1969	35.1	11	39.5	6	30.6	15	4.36	51
1968	19.4	77	26.3	76	12.5	80	1.90	80
1967	27.3	51	31.8	50	22.8	51	3.25	64
1966	26.5	54	31.1	54	21.8	55	4.48	48
1965	26.6	53	30.8	58	22.3	53	4.26	53
1964	16.6	83	23.5	82	9.6	83	5.22	39
1963	32.7	25	37.7	18	27.6	32	4.56	46
1962	28.2	41	32.6	42	23.9	41	8.16	12
1961	24.5	62	28.3	69	20.8	58	4.04	55
1960	33.9	16	37.9	15	29.8	19	7.39	20
1959	34.9	12	38.2	12	31.6	11	5.88	30
1958	30	37	35.2	34	24.7	40	7.45	18
1957	29.4	38	33.7	38	25	38	3.76	58
1956	23.5	66	28.6	67	18.4	66	9.89	6
1955	18.1	81	24.4	80	11.8	82	2.86	68
1954	28	44	32.2	47	23.9	41	5.42	37
1953	32.2	27	36.2	27	28.3	28	5.02	41
1952	33.3	22	37.4	21	29.2	20	2.86	68
1951	22.4	69	28.8	64	16	73	2.30	75
1950	29.3	39	33.4	39	25.1	37	3.43	62
1949	21	75	26.5	73	15.5	74	2.35	74
1948	19.1	78	24.6	79	13.6	78	2.95	66
1947	35.3	10	38.2	12	32.3	7	4.36	51
1946	21.7	71	26.6	72	16.8	70	2.47	72
1945	28.2	41	33.4	39	23	48	2.57	71
1944	31.1	36	35.2	34	27.1	34	4.43	50
1943	37	1	40.3	1	33.6	2	9.86	7

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1943	37
2019	36.8
1997	36.7
2020	36.5
1989	36
1986	36
2023	35.9
1993	35.9
1999	35.8
1947	35.3

Coldest
Year	Mean, °F
1964	16.6
2025	17.9
1955	18.1
1983	18.8
1977	18.9
1948	19.1
1968	19.4
1971	20.9
1949	21
2021	21.3

Wettest
Year	Precipitation, in
1997	13.61
2020	12.74
2023	10.68
2004	10.67
1999	10.30
1956	9.89
1943	9.86
2006	9.37
1991	9.32
2013	8.52

Driest
Year	Precipitation, in
1983	0.49
1982	1.17
2010	1.90
1968	1.90
1977	2.16
1981	2.24
1980	2.27
1973	2.30
1951	2.30
1949	2.35

The hottest, coldest and wettest days

Hottest day: 43°F; 4 December 2025
Coldest night: -10°F; 23 December 2025, 22 December 2025
Wettest day: 1.22 in; 6 December 2025

Every month, season and year

Months

Seasons

Years

Juneau, AK the day's answers

All-time records

Every answer in words

December 2025 brought 6.31 in of precipitation in Juneau, AK, the wettest December since 2024, 26th wettest of 83.
The hottest day of December 2025 in Juneau, AK: 43°F on Thursday 4 December 2025.
The coldest night of December 2025 in Juneau, AK: a low of -10°F on Tuesday 23 December 2025 and Monday 22 December 2025.
The wettest day of December 2025 in Juneau, AK: 1.22 in on Saturday 6 December 2025.