Ketchikan Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Ketchikan, Alaska, based on NOAA data.

Also see:

What's the hottest day of the year in Ketchikan?

On average, August 4 is the hottest day of the year Ketchikan, Alaska. From 1991–2020, the average high temperature on August 4 was 65.8 °F and the average low was 53.8 °F.

What's the coldest day of the year in Ketchikan?

On average, January 10 is the coldest day of the year Ketchikan, Alaska. From 1991–2020, the average high temperature on January 10 was 39.4 °F, and the average low was 30.8 °F.

Average Temperature by Day

Average temperatures from 1991–2020. Daily averages are a mean of the period from 14 days before to 14 days after, inclusive.

Day	Average (°F)
Day	High	Low
January 1	39.5	30.8
January 2	39.5	30.8
January 3	39.5	30.8
January 4	39.5	30.9
January 5	39.5	30.9
January 6	39.6	31.0
January 7	39.5	31.0
January 8	39.5	30.9
January 9	39.5	30.9
January 10	39.4	30.8
January 11	39.5	30.8
January 12	39.5	30.8
January 13	39.5	30.8
January 14	39.5	30.8
January 15	39.6	30.9
January 16	39.7	31.0
January 17	39.8	31.1
January 18	39.9	31.1
January 19	39.9	31.1
January 20	40.0	31.2
January 21	40.1	31.3
January 22	40.2	31.3
January 23	40.2	31.4
January 24	40.3	31.4
January 25	40.3	31.4
January 26	40.4	31.5
January 27	40.5	31.6
January 28	40.6	31.7
January 29	40.7	31.7
January 30	40.8	31.8
January 31	40.9	31.9
February 1	40.9	31.9
February 2	40.9	31.8
February 3	40.9	31.8
February 4	40.9	31.7
February 5	40.9	31.7
February 6	40.9	31.6
February 7	40.9	31.5
February 8	40.9	31.5
February 9	40.9	31.4
February 10	40.9	31.2
February 11	40.9	31.1
February 12	40.9	31.1
February 13	40.9	31.1
February 14	41.0	31.1
February 15	41.0	31.0
February 16	41.0	31.0
February 17	41.1	31.0
February 18	41.1	30.9
February 19	41.0	30.8
February 20	41.0	30.8
February 21	41.0	30.7
February 22	41.0	30.6
February 23	41.0	30.6
February 24	41.1	30.7
February 25	41.1	30.7
February 26	41.2	30.6
February 27	41.3	30.7
February 28	41.3	30.7
March 1	41.3	30.7
March 2	41.4	30.6
March 3	41.4	30.6
March 4	41.5	30.7
March 5	41.6	30.7
March 6	41.8	30.7
March 7	42.0	30.8
March 8	42.1	30.9
March 9	42.3	30.9
March 10	42.5	31.1
March 11	42.7	31.3
March 12	42.9	31.5
March 13	43.1	31.6
March 14	43.3	31.7
March 15	43.4	31.7
March 16	43.6	31.9
March 17	43.8	32.0
March 18	43.9	32.1
March 19	44.0	32.3
March 20	44.2	32.4
March 21	44.4	32.6
March 22	44.7	32.8
March 23	44.9	33.0
March 24	45.2	33.2
March 25	45.4	33.4
March 26	45.6	33.5
March 27	45.7	33.6
March 28	45.9	33.6
March 29	46.1	33.7
March 30	46.3	33.9
March 31	46.6	34.1
April 1	46.8	34.3
April 2	47.0	34.5
April 3	47.2	34.7
April 4	47.4	34.8
April 5	47.6	35.0
April 6	47.7	35.1
April 7	47.9	35.2
April 8	48.1	35.4
April 9	48.4	35.5
April 10	48.6	35.6
April 11	48.8	35.8
April 12	49.0	36.1
April 13	49.2	36.3
April 14	49.4	36.4
April 15	49.6	36.5
April 16	49.9	36.7
April 17	50.1	36.9
April 18	50.4	37.1
April 19	50.6	37.3
April 20	50.8	37.5
April 21	51.0	37.6
April 22	51.2	37.8
April 23	51.4	37.9
April 24	51.7	38.0
April 25	52.0	38.1
April 26	52.3	38.3
April 27	52.5	38.5
April 28	52.8	38.7
April 29	53.0	38.9
April 30	53.2	39.1
May 1	53.4	39.2
May 2	53.7	39.5
May 3	53.9	39.7
May 4	54.2	39.9
May 5	54.5	40.2
May 6	54.7	40.4
May 7	54.9	40.7
May 8	55.1	40.9
May 9	55.4	41.2
May 10	55.6	41.4
May 11	55.9	41.5
May 12	56.1	41.7
May 13	56.4	41.9
May 14	56.6	42.2
May 15	56.8	42.5
May 16	56.9	42.7
May 17	57.1	42.9
May 18	57.3	43.2
May 19	57.5	43.4
May 20	57.8	43.6
May 21	58.0	43.9
May 22	58.2	44.1
May 23	58.3	44.4
May 24	58.5	44.7
May 25	58.6	44.9
May 26	58.8	45.1
May 27	58.9	45.3
May 28	59.1	45.5
May 29	59.2	45.7
May 30	59.3	45.9
May 31	59.5	46.0
June 1	59.6	46.2
June 2	59.7	46.4
June 3	59.8	46.6
June 4	60.0	46.8
June 5	60.1	47.0
June 6	60.2	47.2
June 7	60.3	47.3
June 8	60.4	47.5
June 9	60.5	47.6
June 10	60.6	47.8
June 11	60.6	48.0
June 12	60.8	48.1
June 13	61.0	48.3
June 14	61.1	48.5
June 15	61.2	48.7
June 16	61.3	48.8
June 17	61.5	48.9
June 18	61.5	49.1
June 19	61.7	49.3
June 20	61.8	49.4
June 21	61.9	49.6
June 22	62.0	49.7
June 23	62.1	49.9
June 24	62.2	50.1
June 25	62.3	50.3
June 26	62.4	50.4
June 27	62.5	50.5
June 28	62.7	50.6
June 29	62.8	50.8
June 30	62.9	50.9
July 1	63.0	51.1
July 2	63.1	51.2
July 3	63.2	51.4
July 4	63.4	51.5
July 5	63.4	51.6
July 6	63.4	51.7
July 7	63.5	51.9
July 8	63.6	51.9
July 9	63.7	52.1
July 10	63.8	52.2
July 11	63.9	52.3
July 12	63.9	52.4
July 13	64.0	52.5
July 14	64.1	52.6
July 15	64.2	52.7
July 16	64.3	52.8
July 17	64.4	52.9
July 18	64.5	53.0
July 19	64.7	53.1
July 20	64.8	53.2
July 21	64.9	53.2
July 22	65.1	53.3
July 23	65.2	53.3
July 24	65.3	53.4
July 25	65.3	53.4
July 26	65.4	53.5
July 27	65.5	53.6
July 28	65.5	53.6
July 29	65.6	53.6
July 30	65.6	53.6
July 31	65.7	53.7
August 1	65.7	53.7
August 2	65.7	53.7
August 3	65.8	53.7
August 4	65.8	53.8
August 5	65.7	53.7
August 6	65.7	53.7
August 7	65.6	53.7
August 8	65.5	53.6
August 9	65.4	53.6
August 10	65.4	53.5
August 11	65.3	53.4
August 12	65.1	53.3
August 13	65.0	53.2
August 14	65.0	53.1
August 15	64.8	53.0
August 16	64.6	52.9
August 17	64.4	52.8
August 18	64.2	52.7
August 19	64.0	52.5
August 20	63.8	52.4
August 21	63.6	52.2
August 22	63.4	52.1
August 23	63.3	52.0
August 24	63.1	51.9
August 25	62.9	51.8
August 26	62.7	51.6
August 27	62.5	51.5
August 28	62.3	51.4
August 29	62.1	51.2
August 30	61.9	51.0
August 31	61.8	50.7
September 1	61.6	50.5
September 2	61.5	50.2
September 3	61.2	50.1
September 4	61.1	49.9
September 5	60.9	49.6
September 6	60.8	49.5
September 7	60.6	49.3
September 8	60.5	49.1
September 9	60.3	49.0
September 10	60.1	48.9
September 11	59.9	48.8
September 12	59.7	48.6
September 13	59.5	48.4
September 14	59.3	48.2
September 15	59.1	48.0
September 16	58.9	47.8
September 17	58.7	47.5
September 18	58.5	47.2
September 19	58.2	46.9
September 20	58.0	46.7
September 21	57.7	46.5
September 22	57.5	46.3
September 23	57.2	46.1
September 24	57.0	45.8
September 25	56.7	45.6
September 26	56.4	45.3
September 27	56.1	45.0
September 28	55.8	44.8
September 29	55.5	44.6
September 30	55.2	44.4
October 1	54.9	44.2
October 2	54.7	44.0
October 3	54.4	43.8
October 4	54.1	43.6
October 5	53.8	43.4
October 6	53.6	43.3
October 7	53.3	43.1
October 8	53.1	42.9
October 9	52.9	42.6
October 10	52.7	42.4
October 11	52.4	42.1
October 12	52.1	41.8
October 13	51.9	41.6
October 14	51.6	41.4
October 15	51.3	41.2
October 16	51.1	41.0
October 17	50.8	40.8
October 18	50.5	40.7
October 19	50.3	40.5
October 20	50.0	40.3
October 21	49.8	40.0
October 22	49.5	39.8
October 23	49.3	39.6
October 24	49.0	39.4
October 25	48.7	39.2
October 26	48.5	39.0
October 27	48.3	38.7
October 28	48.1	38.6
October 29	47.9	38.5
October 30	47.7	38.4
October 31	47.5	38.2
November 1	47.3	38.0
November 2	47.0	37.7
November 3	46.7	37.4
November 4	46.4	37.2
November 5	46.2	36.9
November 6	45.9	36.6
November 7	45.6	36.4
November 8	45.3	36.2
November 9	45.1	36.1
November 10	45.0	36.0
November 11	44.8	35.8
November 12	44.5	35.7
November 13	44.3	35.6
November 14	44.1	35.4
November 15	43.9	35.3
November 16	43.7	35.1
November 17	43.5	34.9
November 18	43.3	34.7
November 19	43.0	34.5
November 20	42.8	34.3
November 21	42.6	34.2
November 22	42.4	34.0
November 23	42.3	33.9
November 24	42.1	33.8
November 25	42.0	33.7
November 26	41.9	33.6
November 27	41.7	33.5
November 28	41.6	33.4
November 29	41.4	33.2
November 30	41.3	33.1
December 1	41.2	33.0
December 2	41.2	33.0
December 3	41.1	32.9
December 4	41.0	32.9
December 5	40.9	32.8
December 6	40.8	32.7
December 7	40.8	32.6
December 8	40.7	32.5
December 9	40.6	32.4
December 10	40.6	32.4
December 11	40.6	32.4
December 12	40.6	32.4
December 13	40.6	32.4
December 14	40.5	32.4
December 15	40.4	32.3
December 16	40.4	32.2
December 17	40.4	32.2
December 18	40.4	32.2
December 19	40.3	32.1
December 20	40.3	32.1
December 21	40.2	32.0
December 22	40.2	31.9
December 23	40.1	31.8
December 24	40.0	31.7
December 25	39.9	31.5
December 26	39.8	31.4
December 27	39.7	31.2
December 28	39.6	31.0
December 29	39.6	31.0
December 30	39.5	30.9
December 31	39.5	30.9

Weather Station Details

Years	Station	Coordinates
1910–2024	Ketchikan International Airport	location