Juneau Weather in 2020

Historical record of Juneau, Alaska weather for the year 2020 based on NOAA data.

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2020 Juneau Weather Extremes
Highest temperature	83 °F	July 2
Lowest temperature	2 °F	January 13
Highest daily low	57 °F	August 1
Lowest daily high	15 °F	January 17
Most daily precipitation	4.9 inches	December 1
Most daily snow	7.6 inches	November 1
Total annual precipitation	77.7 inches	-
Total annual snow	91.5 inches	-

What was the hottest temperature in Juneau in 2020?

The highest temperature recorded in Juneau, Alaska in 2020 was 83 °F which happened on July 2.

Highest Temperatures: All-Time By Year

Highest Temperatures in Juneau in 2020

Rank	Temperature	Date
1	83 °F	Jul 2
2	78 °F	Jul 30
2	78 °F	Jul 1
4	76 °F	Jul 31
4	76 °F	May 9
6	74 °F	Jul 29
6	74 °F	May 10
8	72 °F	Jul 3
8	72 °F	Jun 12
8	72 °F	May 13

What was the coldest temperature in Juneau in 2020?

The lowest temperature recorded in Juneau, Alaska in 2020 was 2 °F which happened on Jan 13.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Juneau in 2020

Rank	Temperature	Date
1	2 °F	January 13
2	3 °F	January 18
2	3 °F	January 17
4	4 °F	January 12
5	6 °F	January 11
6	9 °F	January 14
7	10 °F	January 15
8	11 °F	March 13
9	12 °F	January 10
10	13 °F	March 12
10	13 °F	January 16

January 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	42	28	0.39	0.3
January 2	34	28	0.01	0.2
January 3	30	20	0.00	0.0
January 4	30	22	0.04	0.6
January 5	28	15	0.00	0.0
January 6	31	27	0.11	2.7
January 7	32	30	0.15	3.4
January 8	30	24	0.02	0.3
January 9	24	16	0.00	0.0
January 10	23	12	0.00	0.0
January 11	18	6	0.00	0.0
January 12	18	4	0.00	0.0
January 13	19	2	0.00	0.0
January 14	18	9	0.00	0.0
January 15	19	10	0.00	0.0
January 16	19	13	0.00	0.0
January 17	15	3	0.00	0.0
January 18	23	3	0.04	0.7
January 19	30	21	0.12	1.8
January 20	35	27	0.07	1.3
January 21	37	30	0.09	0.9
January 22	33	32	0.30	1.1
January 23	40	32	0.46	0.8
January 24	39	29	0.47	1.8
January 25	38	31	0.49	5.3
January 26	41	36	0.29	0.0
January 27	40	34	0.13	0.0
January 28	39	36	0.22	0.0
January 29	42	33	0.69	0.4
January 30	36	31	0.69	7.3
January 31	34	27	0.03	0.5

February 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	30	25	0.24	3.4
February 2	29	15	0.05	1.5
February 3	35	20	0.44	4.6
February 4	37	32	0.43	2.6
February 5	40	35	0.19	0.0
February 6	39	36	0.00	0.0
February 7	37	30	0.00	0.0
February 8	38	34	0.34	0.0
February 9	40	32	0.03	0.0
February 10	40	35	1.60	0.0
February 11	39	30	0.00	0.0
February 12	38	33	0.83	0.2
February 13	37	32	0.06	0.0
February 14	33	29	0.13	2.6
February 15	34	30	0.35	5.1
February 16	32	27	0.24	4.2
February 17	35	25	0.07	0.8
February 18	40	34	0.00	0.0
February 19	41	36	0.30	0.0
February 20	38	35	0.64	0.0
February 21	39	33	0.13	0.0
February 22	37	31	0.11	1.5
February 23	36	29	0.28	1.6
February 24	34	26	0.00	0.1
February 25	36	29	0.37	4.6
February 26	40	35	0.43	0.0
February 27	42	38	0.42	0.0
February 28	39	35	0.07	0.0
February 29	37	32	0.03	0.0

March 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	41	34	0.57	0.7
March 2	38	34	0.14	0.0
March 3	37	32	0.13	0.3
March 4	37	31	0.01	0.1
March 5	37	26	0.00	0.0
March 6	29	20	0.01	0.4
March 7	34	18	0.01	0.3
March 8	35	31	0.16	1.7
March 9	38	33	0.90	0.5
March 10	40	30	0.37	0.3
March 11	33	20	0.07	1.1
March 12	26	13	0.00	0.0
March 13	31	11	0.00	0.0
March 14	43	17	0.00	0.0
March 15	45	21	0.00	0.0
March 16	39	22	0.00	0.0
March 17	42	23	0.00	0.0
March 18	39	23	0.00	0.0
March 19	51	25	0.00	0.0
March 20	47	24	0.00	0.0
March 21	41	27	0.03	0.0
March 22	50	31	0.13	0.0
March 23	40	23	0.00	0.0
March 24	43	20	0.00	0.0
March 25	39	22	0.06	0.0
March 26	44	34	0.08	0.0
March 27	37	27	0.15	0.0
March 28	30	25	0.00	0.1
March 29	26	23	0.00	0.0
March 30	29	22	0.00	0.0
March 31	33	17	0.00	0.0

April 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	39	14	0.00
April 2	41	16	0.00
April 3	34	18	0.00
April 4	43	17	0.00
April 5	44	20	0.00
April 6	44	32	0.01
April 7	41	32	0.01
April 8	41	34	0.59
April 9	42	29	0.04
April 10	45	24	0.00
April 11	49	23	0.00
April 12	54	25	0.00
April 13	45	39	0.27
April 14	55	34	0.18
April 15	48	33	0.06
April 16	46	41	0.25
April 17	56	34	0.01
April 18	61	30	0.00
April 19	62	31	0.00
April 20	49	36	0.22
April 21	45	42	0.36
April 22	45	41	1.00
April 23	47	42	0.07
April 24	46	39	0.12
April 25	54	38	0.06
April 26	50	41	0.35
April 27	48	42	0.79
April 28	48	42	0.27
April 29	46	42	0.17
April 30	47	39	0.24

May 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	56	35	0.00
May 2	60	39	0.00
May 3	56	44	0.14
May 4	57	37	0.02
May 5	55	33	0.00
May 6	58	32	0.00
May 7	59	40	0.00
May 8	66	37	0.00
May 9	76	39	0.00
May 10	74	42	0.00
May 11	71	38	0.00
May 12	70	36	0.00
May 13	72	39	0.00
May 14	59	48	0.00
May 15	63	42	0.00
May 16	67	45	0.00
May 17	71	40	0.00
May 18	55	45	0.02
May 19	51	45	0.65
May 20	59	41	0.02
May 21	62	37	0.00
May 22	60	39	0.00
May 23	62	50	0.09
May 24	54	47	0.50
May 25	52	45	0.34
May 26	55	43	0.04
May 27	62	36	0.00
May 28	66	38	0.00
May 29	68	40	0.00
May 30	62	50	0.04
May 31	53	49	0.19

June 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	50	46	0.30
June 2	52	46	0.79
June 3	51	45	0.35
June 4	59	44	0.00
June 5	62	46	0.05
June 6	63	41	0.18
June 7	51	48	0.75
June 8	56	42	0.13
June 9	67	43	0.00
June 10	67	50	0.03
June 11	69	46	0.00
June 12	72	43	0.06
June 13	68	53	0.25
June 14	57	50	0.54
June 15	58	49	0.01
June 16	53	50	0.58
June 17	59	50	0.11
June 18	57	51	0.69
June 19	60	52	0.11
June 20	58	49	0.47
June 21	54	48	0.15
June 22	58	47	0.07
June 23	59	49	0.09
June 24	57	48	0.07
June 25	51	48	0.49
June 26	55	48	0.57
June 27	67	49	0.00
June 28	65	44	0.29
June 29	60	50	0.17
June 30	61	52	0.00

July 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	78	51	0.00
July 2	83	48	0.00
July 3	72	48	0.00
July 4	66	57	0.00
July 5	65	52	0.00
July 6	61	54	0.00
July 7	62	52	0.00
July 8	56	52	0.70
July 9	57	52	0.23
July 10	62	52	0.08
July 11	60	51	0.20
July 12	56	53	0.07
July 13	60	52	0.10
July 14	57	52	0.81
July 15	63	50	0.00
July 16	66	47	0.00
July 17	63	54	0.29
July 18	58	54	0.63
July 19	58	55	0.46
July 20	60	53	0.45
July 21	67	52	0.00
July 22	63	54	0.00
July 23	64	52	0.18
July 24	59	54	0.08
July 25	57	53	0.57
July 26	63	53	0.85
July 27	60	52	0.01
July 28	64	47	0.00
July 29	74	44	0.00
July 30	78	47	0.00
July 31	76	49	0.00

August 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	70	57	0.28
August 2	64	54	0.64
August 3	61	53	0.82
August 4	60	53	0.23
August 5	61	51	0.03
August 6	63	49	0.04
August 7	56	53	0.80
August 8	55	52	0.30
August 9	57	51	1.33
August 10	54	51	0.53
August 11	58	50	0.00
August 12	58	50	0.00
August 13	57	48	0.18
August 14	56	48	0.44
August 15	60	51	0.55
August 16	59	51	0.22
August 17	58	50	0.49
August 18	60	49	0.28
August 19	64	48	0.00
August 20	64	50	0.01
August 21	59	50	0.35
August 22	60	50	0.00
August 23	57	54	0.52
August 24	57	52	0.26
August 25	55	51	0.27
August 26	60	52	0.14
August 27	62	51	0.01
August 28	54	50	0.34
August 29	60	47	0.01
August 30	54	51	0.79
August 31	58	52	0.40

September 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	54	52	0.69
September 2	54	51	0.54
September 3	55	50	0.30
September 4	58	44	0.06
September 5	60	41	0.00
September 6	62	37	0.00
September 7	59	44	0.11
September 8	61	53	0.05
September 9	62	54	0.06
September 10	64	47	0.01
September 11	65	38	0.00
September 12	62	35	0.00
September 13	62	36	0.00
September 14	63	36	0.00
September 15	65	30	0.00
September 16	61	38	0.00
September 17	66	38	0.00
September 18	54	48	0.27
September 19	56	46	0.06
September 20	55	46	0.02
September 21	56	48	0.04
September 22	57	48	0.00
September 23	55	46	0.19
September 24	54	44	0.16
September 25	56	41	0.00
September 26	54	49	0.08
September 27	55	47	2.00
September 28	53	45	0.14
September 29	51	38	0.00
September 30	54	39	0.23

October 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	57	43	0.00	0.0
October 2	56	45	1.38	0.0
October 3	54	47	0.08	0.0
October 4	52	49	0.80	0.0
October 5	53	47	0.16	0.0
October 6	52	46	0.04	0.0
October 7	52	38	0.00	0.0
October 8	49	42	0.03	0.0
October 9	50	43	0.05	0.0
October 10	48	44	0.01	0.0
October 11	49	44	0.09	0.0
October 12	49	43	0.11	0.0
October 13	49	38	0.00	0.0
October 14	48	39	0.02	0.0
October 15	48	33	0.00	0.0
October 16	47	32	0.00	0.0
October 17	40	24	0.00	0.0
October 18	41	25	0.00	0.0
October 19	41	33	0.05	0.2
October 20	42	28	0.17	0.0
October 21	37	24	0.00	0.0
October 22	36	24	0.00	0.0
October 23	40	23	0.00	0.0
October 24	39	20	0.00	0.0
October 25	39	27	0.75	0.5
October 26	53	38	1.22	0.0
October 27	46	42	0.02	0.0
October 28	44	40	0.16	0.0
October 29	44	30	0.04	0.0
October 30	42	32	0.32	0.0
October 31	47	42	1.63	0.0

November 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	47	29	1.73	7.6
November 2	30	26	0.52	3.4
November 3	34	24	0.04	0.7
November 4	35	29	0.04	0.3
November 5	31	17	0.00	0.0
November 6	29	17	0.00	0.0
November 7	28	14	0.00	0.0
November 8	38	21	0.53	1.0
November 9	38	27	0.20	0.0
November 10	32	21	0.00	0.0
November 11	37	28	0.09	0.2
November 12	37	34	0.65	0.0
November 13	38	34	0.06	0.0
November 14	37	28	0.06	0.0
November 15	32	21	0.00	0.0
November 16	30	18	0.00	0.0
November 17	35	17	0.00	0.0
November 18	30	25	0.00	0.0
November 19	31	25	0.00	0.0
November 20	31	25	0.04	0.2
November 21	36	26	0.06	1.2
November 22	36	32	0.08	0.1
November 23	39	32	0.45	0.0
November 24	40	32	0.06	0.0
November 25	41	33	0.58	0.0
November 26	41	35	0.21	0.0
November 27	38	30	0.00	0.1
November 28	39	33	0.89	0.0
November 29	40	34	0.09	0.0
November 30	39	33	0.63	0.0

December 2020 Juneau Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	49	34	4.93	0.0
December 2	52	42	1.46	0.0
December 3	45	41	0.26	0.0
December 4	47	41	0.42	0.0
December 5	49	40	0.70	0.0
December 6	49	43	0.72	0.0
December 7	44	41	0.97	0.0
December 8	42	37	0.23	0.0
December 9	39	35	0.00	0.0
December 10	39	26	0.00	0.0
December 11	34	28	0.32	2.0
December 12	33	23	0.01	0.3
December 13	32	20	0.00	0.0
December 14	35	31	0.21	2.4
December 15	32	25	0.00	0.0
December 16	31	28	0.23	2.6
December 17	37	31	0.31	1.0
December 18	42	34	0.09	0.0
December 19	42	37	0.43	0.0
December 20	40	35	0.14	0.0
December 21	37	34	0.01	0.0
December 22	41	34	0.02	0.0
December 23	41	36	1.01	0.0
December 24	38	27	0.00	0.0
December 25	43	27	0.00	0.0
December 26	39	30	0.00	0.0
December 27	34	31	0.00	0.0
December 28	39	34	0.01	0.0
December 29	39	37	0.23	0.0
December 30	39	34	0.02	0.0
December 31	35	28	0.01	0.0

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Weather Station Details

Years	Station	Coordinates
1960–2024	Juneau International Airport	location
1890–1959	Downtown Juneau	location