Seattle Weather in 2009

Historical record of Seattle, Washington weather for the year 2009 based on NOAA data.

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2009 Seattle Weather Extremes
Highest temperature	103 °F	July 29
Lowest temperature	16 °F	December 10
Highest daily low	71 °F	July 29
Lowest daily high	30 °F	December 7
Most daily precipitation	2.3 inches	January 7
Most daily snow	3.5 inches	January 4
Total annual precipitation	38.4 inches	-
Total annual snow	9.4 inches	-

What was the hottest temperature in Seattle in 2009?

The highest temperature recorded in Seattle, Washington in 2009 was 103 °F which happened on July 29.

Highest Temperatures: All-Time By Year

Highest Temperatures in Seattle in 2009

Rank	Temperature	Date
1	103 °F	Jul 29
2	97 °F	Jul 28
3	96 °F	Jul 30
4	94 °F	Jul 27
5	91 °F	Jun 4
6	90 °F	Aug 1
6	90 °F	Jul 17
8	89 °F	Aug 2
8	89 °F	Jul 26
8	89 °F	Jun 3

What was the coldest temperature in Seattle in 2009?

The lowest temperature recorded in Seattle, Washington in 2009 was 16 °F which happened on Dec 10.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Seattle in 2009

Rank	Temperature	Date
1	16 °F	December 10
2	18 °F	December 9
3	21 °F	December 11
3	21 °F	December 8
5	23 °F	December 12
5	23 °F	December 7
7	25 °F	January 26
8	26 °F	March 11
8	26 °F	February 26
10	27 °F	December 6
10	27 °F	March 10

January 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	46	36	0.71	0.0
January 2	38	33	0.12	0.2
January 3	40	32	0.00	0.0
January 4	38	30	0.57	3.5
January 5	46	34	0.04	0.0
January 6	53	42	1.22	0.0
January 7	52	50	2.29	0.0
January 8	50	37	0.03	0.0
January 9	43	36	0.00	0.0
January 10	44	39	0.14	0.0
January 11	48	44	0.03	0.0
January 12	49	46	0.08	0.0
January 13	46	40	0.00	0.0
January 14	42	36	0.00	0.0
January 15	42	35	0.00	0.0
January 16	37	32	0.00	0.0
January 17	44	32	0.00	0.0
January 18	51	30	0.00	0.0
January 19	42	29	0.00	0.0
January 20	39	30	0.00	0.0
January 21	40	31	0.00	0.0
January 22	39	32	0.00	0.0
January 23	41	31	0.00	0.0
January 24	41	29	0.04	0.0
January 25	35	29	0.02	0.1
January 26	39	25	0.00	0.0
January 27	42	30	0.09	0.1
January 28	46	37	0.00	0.0
January 29	47	35	0.00	0.0
January 30	49	31	0.00	0.0
January 31	45	34	0.02	0.0

February 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	43	33	0.00	0.0
February 2	52	38	0.00	0.0
February 3	55	32	0.00	0.0
February 4	63	36	0.00	0.0
February 5	49	38	0.01	0.0
February 6	44	38	0.04	0.0
February 7	42	32	0.00	0.0
February 8	44	32	0.01	0.0
February 9	41	33	0.06	0.1
February 10	39	31	0.24	0.3
February 11	46	32	0.00	0.0
February 12	46	31	0.00	0.0
February 13	45	34	0.00	0.0
February 14	47	35	0.00	0.0
February 15	46	33	0.05	0.0
February 16	48	34	0.00	0.0
February 17	50	39	0.00	0.0
February 18	54	35	0.00	0.0
February 19	51	33	0.00	0.0
February 20	52	30	0.00	0.0
February 21	55	33	0.00	0.0
February 22	57	43	0.07	0.0
February 23	57	44	0.23	0.0
February 24	48	44	0.34	0.0
February 25	45	32	0.25	0.0
February 26	38	26	0.21	2.1
February 27	47	34	0.00	0.0
February 28	54	38	0.00	0.0

March 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	57	44	0.30	0.0
March 2	57	44	0.11	0.0
March 3	55	42	0.24	0.0
March 4	46	40	0.03	0.0
March 5	45	34	0.05	0.0
March 6	45	28	0.00	0.0
March 7	45	31	0.08	0.3
March 8	40	30	0.32	0.0
March 9	37	31	0.34	2.2
March 10	40	27	0.00	0.0
March 11	44	26	0.00	0.0
March 12	51	29	0.00	0.0
March 13	55	33	0.00	0.0
March 14	45	38	0.49	0.0
March 15	46	33	0.69	0.5
March 16	44	35	0.29	0.0
March 17	46	35	0.29	0.0
March 18	54	38	0.00	0.0
March 19	50	43	0.08	0.0
March 20	56	36	0.12	0.0
March 21	49	29	0.00	0.0
March 22	49	39	0.01	0.0
March 23	46	37	0.07	0.0
March 24	48	40	0.01	0.0
March 25	47	38	0.05	0.0
March 26	52	33	0.00	0.0
March 27	51	41	0.00	0.0
March 28	43	34	0.38	0.0
March 29	50	34	0.04	0.0
March 30	47	38	0.00	0.0
March 31	48	37	0.17	0.0

April 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	46	34	0.39
April 2	46	39	0.92
April 3	50	35	0.09
April 4	57	33	0.00
April 5	69	40	0.00
April 6	70	40	0.00
April 7	66	43	0.00
April 8	53	44	0.00
April 9	58	43	0.03
April 10	50	44	0.02
April 11	51	44	0.06
April 12	53	43	0.83
April 13	48	37	0.32
April 14	52	37	0.01
April 15	54	35	0.00
April 16	60	37	0.01
April 17	60	43	0.25
April 18	58	38	0.00
April 19	68	47	0.00
April 20	74	47	0.00
April 21	71	48	0.00
April 22	53	39	0.25
April 23	54	37	0.06
April 24	60	37	0.00
April 25	53	41	0.00
April 26	58	40	0.00
April 27	62	44	0.00
April 28	54	45	0.12
April 29	59	44	0.00
April 30	64	41	0.00

May 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	73	45	0.00
May 2	66	46	0.32
May 3	62	44	0.01
May 4	62	45	0.36
May 5	56	47	0.59
May 6	54	46	0.89
May 7	58	44	0.00
May 8	58	43	0.00
May 9	64	44	0.00
May 10	64	45	0.04
May 11	61	45	0.03
May 12	56	40	0.04
May 13	52	42	0.44
May 14	55	45	0.32
May 15	66	43	0.00
May 16	76	46	0.00
May 17	75	50	0.00
May 18	66	48	0.45
May 19	58	46	0.12
May 20	62	46	0.00
May 21	67	45	0.00
May 22	70	49	0.00
May 23	71	49	0.00
May 24	71	47	0.00
May 25	69	47	0.00
May 26	65	52	0.00
May 27	67	46	0.00
May 28	77	48	0.00
May 29	83	55	0.00
May 30	78	53	0.00
May 31	80	54	0.00

June 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	82	53	0.00
June 2	88	61	0.00
June 3	89	64	0.00
June 4	91	60	0.00
June 5	68	56	0.00
June 6	63	55	0.00
June 7	67	53	0.00
June 8	73	52	0.00
June 9	79	56	0.00
June 10	75	54	0.00
June 11	73	55	0.00
June 12	76	56	0.00
June 13	75	53	0.00
June 14	63	54	0.00
June 15	73	54	0.00
June 16	71	55	0.00
June 17	68	57	0.00
June 18	72	56	0.01
June 19	69	54	0.09
June 20	65	52	0.00
June 21	65	51	0.04
June 22	68	51	0.01
June 23	72	52	0.00
June 24	72	56	0.00
June 25	70	54	0.03
June 26	69	52	0.00
June 27	79	52	0.00
June 28	70	54	0.00
June 29	74	49	0.00
June 30	75	51	0.00

July 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	79	56	0.00
July 2	83	59	0.00
July 3	88	57	0.00
July 4	87	57	0.00
July 5	81	58	0.00
July 6	67	54	0.00
July 7	68	54	0.00
July 8	65	53	0.00
July 9	74	55	0.00
July 10	82	57	0.00
July 11	85	56	0.00
July 12	65	56	0.04
July 13	64	54	0.02
July 14	71	53	0.00
July 15	81	52	0.00
July 16	87	59	0.00
July 17	90	61	0.00
July 18	78	57	0.00
July 19	77	55	0.00
July 20	81	59	0.00
July 21	87	59	0.00
July 22	73	56	0.00
July 23	69	56	0.00
July 24	79	55	0.00
July 25	86	62	0.00
July 26	89	61	0.00
July 27	94	65	0.00
July 28	97	69	0.00
July 29	103	71	0.00
July 30	96	62	0.00
July 31	84	58	0.00

August 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	90	57	0.00
August 2	89	60	0.00
August 3	83	56	0.00
August 4	73	56	0.00
August 5	68	55	0.00
August 6	70	56	0.00
August 7	65	56	0.00
August 8	66	55	0.00
August 9	76	59	0.00
August 10	67	56	0.13
August 11	70	59	0.32
August 12	73	57	0.15
August 13	65	55	0.16
August 14	69	55	0.00
August 15	68	52	0.00
August 16	75	54	0.00
August 17	82	58	0.00
August 18	84	59	0.00
August 19	87	61	0.00
August 20	78	60	0.00
August 21	69	58	0.00
August 22	73	58	0.00
August 23	70	57	0.00
August 24	75	52	0.00
August 25	71	54	0.03
August 26	76	55	0.00
August 27	88	54	0.00
August 28	78	57	0.01
August 29	71	59	0.36
August 30	76	55	0.00
August 31	70	56	0.00

September 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	64	55	0.00
September 2	76	54	0.00
September 3	71	56	0.12
September 4	76	55	0.00
September 5	66	58	0.31
September 6	62	52	0.93
September 7	65	54	0.01
September 8	69	51	0.00
September 9	74	55	0.01
September 10	73	57	0.00
September 11	87	56	0.00
September 12	83	56	0.00
September 13	76	56	0.00
September 14	70	58	0.00
September 15	78	59	0.00
September 16	71	59	0.01
September 17	70	57	0.00
September 18	80	54	0.00
September 19	67	57	0.29
September 20	67	50	0.00
September 21	76	49	0.00
September 22	87	53	0.00
September 23	81	55	0.00
September 24	67	51	0.00
September 25	72	49	0.00
September 26	70	50	0.00
September 27	68	48	0.00
September 28	63	45	0.00
September 29	59	46	0.07
September 30	59	42	0.00

October 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	62	51	0.08
October 2	58	47	0.14
October 3	57	44	0.00
October 4	65	48	0.00
October 5	66	43	0.00
October 6	65	42	0.00
October 7	63	44	0.00
October 8	63	44	0.00
October 9	62	48	0.00
October 10	58	45	0.00
October 11	58	41	0.00
October 12	51	42	0.00
October 13	59	48	0.17
October 14	60	50	0.51
October 15	64	49	0.07
October 16	61	55	0.78
October 17	65	55	1.24
October 18	61	52	0.09
October 19	56	47	0.00
October 20	56	43	0.00
October 21	62	50	0.16
October 22	55	49	0.02
October 23	58	48	0.41
October 24	57	42	0.00
October 25	48	38	0.06
October 26	52	41	1.21
October 27	55	38	0.00
October 28	46	39	0.08
October 29	55	42	0.25
October 30	60	54	0.23
October 31	57	45	0.04

November 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	54	41	0.00
November 2	54	39	0.01
November 3	55	41	0.00
November 4	63	40	0.00
November 5	61	47	0.38
November 6	50	42	1.21
November 7	47	40	0.86
November 8	51	41	0.07
November 9	54	45	0.37
November 10	52	44	0.32
November 11	50	39	0.05
November 12	49	36	0.00
November 13	49	34	0.19
November 14	44	32	0.00
November 15	54	40	0.36
November 16	56	50	0.77
November 17	51	40	0.44
November 18	49	38	0.13
November 19	57	45	0.70
November 20	57	41	0.29
November 21	47	39	0.31
November 22	48	42	0.55
November 23	51	43	0.05
November 24	51	45	0.20
November 25	54	42	0.16
November 26	50	45	1.34
November 27	48	38	0.00
November 28	50	39	0.00
November 29	52	47	0.00
November 30	51	43	0.20

December 2009 Seattle Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	47	35	0.00
December 2	46	33	0.00
December 3	45	30	0.00
December 4	38	30	0.04
December 5	42	28	0.00
December 6	35	27	0.00
December 7	30	23	0.00
December 8	32	21	0.00
December 9	32	18	0.00
December 10	36	16	0.00
December 11	38	21	0.00
December 12	39	23	0.00
December 13	38	30	0.00
December 14	42	36	0.50
December 15	48	38	0.29
December 16	53	45	0.43
December 17	50	43	0.06
December 18	52	41	0.02
December 19	48	44	0.41
December 20	57	45	0.08
December 21	52	38	0.55
December 22	40	34	0.02
December 23	43	34	0.00
December 24	43	31	0.00
December 25	45	30	0.00
December 26	53	33	0.00
December 27	44	28	0.00
December 28	49	35	0.00
December 29	43	30	0.06
December 30	46	36	0.02
December 31	49	39	0.27

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Weather Station Details

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