Seattle Weather in 1991

Historical record of Seattle, Washington weather for the year 1991 based on NOAA data.

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1991 Seattle Weather Extremes
Highest temperature	99 °F	July 23
Lowest temperature	26 °F	December 15
Highest daily low	65 °F	July 23
Lowest daily high	37 °F	January 27
Most daily precipitation	2.6 inches	April 4
Most daily snow	1.8 inches	March 5
Total annual precipitation	35.4 inches	-
Total annual snow	2.9 inches	-

What was the hottest temperature in Seattle in 1991?

The highest temperature recorded in Seattle, Washington in 1991 was 99 °F which happened on July 23.

Highest Temperatures: All-Time By Year

Highest Temperatures in Seattle in 1991

Rank	Temperature	Date
1	99 °F	Jul 23
2	89 °F	Jul 2
3	88 °F	Aug 18
4	87 °F	Aug 15
5	86 °F	Aug 21
5	86 °F	Aug 17
7	85 °F	Sep 25
7	85 °F	Sep 18
7	85 °F	Sep 17
7	85 °F	Sep 5
7	85 °F	Aug 19
7	85 °F	Aug 8
7	85 °F	Jul 12

What was the coldest temperature in Seattle in 1991?

The lowest temperature recorded in Seattle, Washington in 1991 was 26 °F which happened 4 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Seattle in 1991

Rank	Temperature	Date
1	26 °F	December 15
1	26 °F	January 29
1	26 °F	January 27
1	26 °F	January 5
5	27 °F	January 26
5	27 °F	January 21
7	28 °F	January 22
7	28 °F	January 4
9	29 °F	December 17
9	29 °F	December 14
9	29 °F	January 30
9	29 °F	January 25

January 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	44	40	0.01	0.0
January 2	47	33	0.00	0.0
January 3	44	31	0.00	0.0
January 4	40	28	0.00	0.0
January 5	37	26	0.00	0.0
January 6	37	30	0.09	0.4
January 7	44	33	0.50	0.0
January 8	44	39	0.35	0.0
January 9	42	39	0.35	0.0
January 10	47	40	0.31	0.0
January 11	51	46	0.73	0.0
January 12	53	48	0.94	0.0
January 13	51	47	0.28	0.0
January 14	51	46	0.22	0.0
January 15	48	41	0.00	0.0
January 16	46	42	0.00	0.0
January 17	52	45	0.06	0.0
January 18	53	40	0.00	0.0
January 19	45	33	0.00	0.0
January 20	46	31	0.00	0.0
January 21	47	27	0.00	0.0
January 22	39	28	0.00	0.0
January 23	40	34	0.00	0.0
January 24	45	32	0.00	0.0
January 25	46	29	0.00	0.0
January 26	45	27	0.00	0.0
January 27	37	26	0.04	0.0
January 28	44	30	0.00	0.0
January 29	40	26	0.00	0.0
January 30	42	29	0.00	0.0
January 31	48	36	0.58	0.0

February 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	57	45	0.24
February 2	57	46	0.50
February 3	54	45	0.55
February 4	58	49	0.68
February 5	51	36	0.00
February 6	56	32	0.00
February 7	57	44	0.00
February 8	62	41	0.00
February 9	46	39	0.00
February 10	49	37	0.00
February 11	52	40	0.10
February 12	49	46	0.23
February 13	53	45	0.38
February 14	63	51	0.07
February 15	54	47	0.15
February 16	49	42	0.02
February 17	49	38	0.01
February 18	51	39	0.18
February 19	51	46	1.58
February 20	51	40	0.00
February 21	53	36	0.00
February 22	51	36	0.00
February 23	52	35	0.00
February 24	55	35	0.00
February 25	63	40	0.00
February 26	66	38	0.00
February 27	63	36	0.00
February 28	59	36	0.00

March 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	42	35	0.55	0.0
March 2	48	39	1.04	0.0
March 3	50	42	0.79	0.0
March 4	44	33	0.25	0.7
March 5	45	31	0.32	1.8
March 6	48	35	0.00	0.0
March 7	47	37	0.02	0.0
March 8	50	38	0.00	0.0
March 9	44	33	0.24	0.0
March 10	46	35	0.13	0.0
March 11	45	34	0.29	0.0
March 12	50	38	0.37	0.0
March 13	50	38	0.00	0.0
March 14	49	38	0.00	0.0
March 15	51	37	0.00	0.0
March 16	57	33	0.00	0.0
March 17	60	39	0.00	0.0
March 18	55	36	0.24	0.0
March 19	52	40	0.02	0.0
March 20	59	39	0.00	0.0
March 21	53	39	0.01	0.0
March 22	50	39	0.00	0.0
March 23	54	41	0.03	0.0
March 24	44	41	0.36	0.0
March 25	48	37	0.00	0.0
March 26	53	35	0.00	0.0
March 27	56	32	0.00	0.0
March 28	53	40	0.00	0.0
March 29	53	40	0.00	0.0
March 30	65	39	0.00	0.0
March 31	61	41	0.00	0.0

April 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	53	46	0.00
April 2	49	42	0.20
April 3	51	41	1.46
April 4	49	46	2.64
April 5	53	41	0.70
April 6	50	39	0.12
April 7	52	37	0.00
April 8	50	38	0.38
April 9	52	40	0.07
April 10	52	34	0.26
April 11	57	35	0.00
April 12	66	38	0.00
April 13	63	41	0.00
April 14	55	45	0.03
April 15	57	43	0.07
April 16	65	42	0.00
April 17	54	42	0.00
April 18	64	43	0.00
April 19	71	42	0.00
April 20	72	44	0.00
April 21	63	46	0.00
April 22	56	44	0.00
April 23	52	40	0.32
April 24	52	39	0.13
April 25	55	38	0.01
April 26	55	38	0.00
April 27	57	43	0.00
April 28	54	42	0.07
April 29	60	41	0.07
April 30	73	41	0.00

May 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	72	45	0.00
May 2	72	45	0.00
May 3	64	45	0.00
May 4	65	46	0.00
May 5	60	49	0.06
May 6	59	50	0.00
May 7	58	47	0.37
May 8	55	43	0.00
May 9	57	39	0.00
May 10	64	46	0.00
May 11	64	44	0.00
May 12	57	49	0.00
May 13	59	49	0.01
May 14	61	45	0.00
May 15	68	43	0.00
May 16	70	50	0.08
May 17	53	49	0.16
May 18	55	48	0.08
May 19	57	50	0.00
May 20	67	51	0.00
May 21	62	49	0.00
May 22	62	45	0.00
May 23	62	47	0.04
May 24	60	44	0.42
May 25	61	46	0.08
May 26	62	47	0.04
May 27	63	48	0.02
May 28	64	49	0.00
May 29	56	48	0.03
May 30	63	46	0.00
May 31	65	48	0.00

June 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	67	52	0.00
June 2	60	48	0.00
June 3	58	45	0.00
June 4	63	42	0.00
June 5	70	48	0.00
June 6	62	53	0.00
June 7	56	52	0.10
June 8	70	52	0.00
June 9	76	50	0.00
June 10	75	54	0.00
June 11	65	49	0.00
June 12	64	50	0.00
June 13	64	48	0.04
June 14	63	49	0.00
June 15	67	50	0.34
June 16	60	48	0.14
June 17	66	50	0.00
June 18	72	48	0.00
June 19	75	53	0.00
June 20	55	49	0.55
June 21	65	49	0.00
June 22	69	52	0.00
June 23	72	53	0.00
June 24	71	53	0.00
June 25	67	54	0.00
June 26	72	54	0.00
June 27	76	53	0.00
June 28	77	53	0.00
June 29	64	53	0.10
June 30	72	53	0.02

July 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	81	60	0.00
July 2	89	59	0.00
July 3	82	59	0.00
July 4	76	51	0.00
July 5	73	52	0.00
July 6	77	49	0.00
July 7	83	53	0.00
July 8	83	53	0.00
July 9	67	52	0.00
July 10	70	54	0.00
July 11	84	52	0.00
July 12	85	57	0.00
July 13	75	58	0.00
July 14	74	54	0.00
July 15	68	54	0.00
July 16	74	57	0.00
July 17	72	57	0.00
July 18	76	56	0.00
July 19	71	55	0.00
July 20	75	53	0.00
July 21	78	58	0.00
July 22	82	59	0.00
July 23	99	65	0.00
July 24	70	60	0.28
July 25	69	55	0.00
July 26	76	53	0.00
July 27	78	56	0.00
July 28	80	58	0.00
July 29	77	58	0.00
July 30	82	55	0.00
July 31	83	58	0.00

August 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	75	53	0.00
August 2	80	52	0.00
August 3	83	54	0.00
August 4	80	53	0.00
August 5	75	61	0.00
August 6	81	59	0.02
August 7	78	61	0.02
August 8	85	62	0.00
August 9	66	57	0.61
August 10	72	55	0.00
August 11	72	56	0.00
August 12	82	53	0.00
August 13	79	57	0.00
August 14	82	56	0.00
August 15	87	58	0.00
August 16	80	57	0.00
August 17	86	58	0.00
August 18	88	57	0.00
August 19	85	60	0.00
August 20	84	56	0.00
August 21	86	58	0.00
August 22	81	56	0.00
August 23	69	52	0.00
August 24	72	56	0.00
August 25	72	49	0.00
August 26	70	49	0.00
August 27	64	54	0.66
August 28	61	55	0.43
August 29	80	56	0.06
August 30	75	61	0.00
August 31	61	55	0.37

September 1991 Seattle Weather

Day	High (°F)	Low (°F)
September 1	70	53
September 2	75	52
September 3	76	55
September 4	82	58
September 5	85	56
September 6	76	53
September 7	64	54
September 8	67	52
September 9	74	48
September 10	77	52
September 11	69	51
September 12	63	52
September 13	68	49
September 14	70	47
September 15	75	50
September 16	78	53
September 17	85	58
September 18	85	57
September 19	75	54
September 20	63	49
September 21	68	45
September 22	71	47
September 23	73	51
September 24	78	56
September 25	85	55
September 26	78	53
September 27	62	53
September 28	65	53
September 29	70	53
September 30	74	50

October 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	71	46	0.00
October 2	64	48	0.00
October 3	67	48	0.00
October 4	71	48	0.00
October 5	79	45	0.00
October 6	67	49	0.00
October 7	67	49	0.00
October 8	66	44	0.00
October 9	74	44	0.00
October 10	76	47	0.00
October 11	83	47	0.00
October 12	68	49	0.00
October 13	69	45	0.00
October 14	75	48	0.00
October 15	77	49	0.00
October 16	58	43	0.20
October 17	57	40	0.00
October 18	62	43	0.00
October 19	64	48	0.00
October 20	65	47	0.00
October 21	60	48	0.00
October 22	49	42	0.20
October 23	50	41	0.00
October 24	49	44	0.57
October 25	47	42	0.15
October 26	48	42	0.00
October 27	48	37	0.01
October 28	43	36	0.15
October 29	46	34	0.00
October 30	49	30	0.00
October 31	45	41	0.03

November 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	48	42	0.00
November 2	51	39	0.00
November 3	50	42	0.04
November 4	55	44	0.54
November 5	59	49	0.22
November 6	54	46	0.00
November 7	61	45	0.10
November 8	59	52	0.18
November 9	54	49	0.20
November 10	55	47	0.01
November 11	60	48	0.50
November 12	58	48	0.00
November 13	50	44	0.11
November 14	50	37	0.00
November 15	50	32	0.00
November 16	53	43	0.47
November 17	54	44	0.25
November 18	53	45	0.08
November 19	54	46	0.82
November 20	51	42	0.19
November 21	47	40	0.00
November 22	50	35	0.00
November 23	48	42	0.09
November 24	52	44	0.58
November 25	53	47	0.02
November 26	48	43	0.74
November 27	46	38	0.05
November 28	51	38	0.14
November 29	47	32	0.00
November 30	42	32	0.00

December 1991 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	51	39	0.05
December 2	48	41	0.00
December 3	52	46	0.00
December 4	50	46	0.20
December 5	52	46	1.22
December 6	49	43	0.17
December 7	49	42	0.00
December 8	51	47	0.04
December 9	50	38	0.37
December 10	44	33	0.00
December 11	48	42	0.06
December 12	50	37	0.10
December 13	44	34	0.00
December 14	44	29	0.00
December 15	40	26	0.00
December 16	43	30	0.00
December 17	45	29	0.00
December 18	45	38	0.38
December 19	45	38	0.00
December 20	48	34	0.13
December 21	46	40	0.17
December 22	46	42	0.00
December 23	46	38	0.02
December 24	48	39	0.05
December 25	52	42	0.02
December 26	55	46	0.04
December 27	57	46	0.04
December 28	52	39	0.13
December 29	48	39	0.00
December 30	51	41	0.12
December 31	50	40	0.00

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Weather Station Details

Years	Station	Coordinates
1948–2024	Seattle Tacoma International Airport	location
1894–1947	University of Washington	location