Walla Walla Weather in 2020

Historical record of Walla Walla, Washington weather for the year 2020 based on NOAA data.

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2020 Walla Walla Weather Extremes
Highest temperature	108 °F	July 30
Lowest temperature	14 °F	January 14
Highest daily low	79 °F	August 18
Lowest daily high	27 °F	December 5
Most daily precipitation	1.7 inches	May 20
Total annual precipitation	17.5 inches	-

What was the hottest temperature in Walla Walla in 2020?

The highest temperature recorded in Walla Walla, Washington in 2020 was 108 °F which happened on July 30.

Highest Temperatures: All-Time By Year

Highest Temperatures in Walla Walla in 2020

Rank	Temperature	Date
1	108 °F	Jul 30
2	103 °F	Aug 17
2	103 °F	Jul 31
2	103 °F	Jul 29
5	102 °F	Aug 16
6	101 °F	Aug 18
7	100 °F	Aug 15
7	100 °F	Jul 28
7	100 °F	Jul 21
10	99 °F	Sep 4

What was the coldest temperature in Walla Walla in 2020?

The lowest temperature recorded in Walla Walla, Washington in 2020 was 14 °F which happened on Jan 14.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Walla Walla in 2020

Rank	Temperature	Date
1	14 °F	January 14
2	16 °F	January 15
2	16 °F	January 13
4	21 °F	December 25
4	21 °F	December 24
4	21 °F	December 4
7	22 °F	October 25
8	23 °F	November 9
8	23 °F	January 16
10	24 °F	December 3
10	24 °F	October 26
10	24 °F	March 15

January 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	51	44	0.01
January 2	48	38	0.15
January 3	62	46	0.00
January 4	61	37	0.00
January 5	48	33	0.06
January 6	52	40	0.08
January 7	57	39	0.05
January 8	47	36	0.00
January 9	40	32	0.00
January 10	46	29	0.10
January 11	47	36	0.04
January 12	45	34	0.20
January 13	35	16	0.12
January 14	27	14	0.05
January 15	45	16	0.00
January 16	46	23	0.18
January 17	38	26	0.00
January 18	43	25	0.02
January 19	31	27	0.00
January 20	36	30	0.00
January 21	49	28	0.07
January 22	50	38	0.27
January 23	59	46	0.11
January 24	57	37	0.06
January 25	55	38	0.00
January 26	50	35	0.15
January 27	51	39	0.11
January 28	53	41	0.20
January 29	50	40	0.13
January 30	52	33	0.01
January 31	65	44	0.01

February 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	63	38	0.12
February 2	41	27	0.00
February 3	39	27	0.00
February 4	38	30	0.11
February 5	49	34	0.69
February 6	50	45	0.91
February 7	53	44	0.31
February 8	46	35	0.00
February 9	43	29	0.00
February 10	46	31	0.00
February 11	54	32	0.00
February 12	50	34	0.00
February 13	53	31	0.00
February 14	50	37	0.00
February 15	46	37	0.73
February 16	48	37	0.00
February 17	46	31	0.00
February 18	46	27	0.00
February 19	47	25	0.00
February 20	47	25	0.00
February 21	50	26	0.00
February 22	57	31	0.00
February 23	59	35	0.05
February 24	47	33	0.00
February 25	51	28	0.00
February 26	56	36	0.00
February 27	60	34	0.00
February 28	64	36	0.00
February 29	51	36	0.01

March 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	48	30	0.00
March 2	52	36	0.00
March 3	59	43	0.00
March 4	55	38	0.00
March 5	59	34	0.00
March 6	56	44	0.00
March 7	47	35	0.28
March 8	50	34	0.00
March 9	51	30	0.00
March 10	61	32	0.00
March 11	58	39	0.00
March 12	50	31	0.00
March 13	48	32	0.18
March 14	32	26	0.08
March 15	31	24	0.02
March 16	41	27	0.00
March 17	52	27	0.00
March 18	54	38	0.06
March 19	60	32	0.00
March 20	61	36	0.00
March 21	61	37	0.00
March 22	62	35	0.00
March 23	54	40	0.00
March 24	53	36	0.00
March 25	49	33	0.00
March 26	52	34	0.00
March 27	50	40	0.00
March 28	55	43	0.07
March 29	57	45	0.15
March 30	56	42	0.05
March 31	50	37	0.00

April 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	44	33	0.22
April 2	49	31	0.00
April 3	51	35	0.00
April 4	55	29	0.00
April 5	56	34	0.01
April 6	60	42	0.00
April 7	64	45	0.00
April 8	66	35	0.00
April 9	70	39	0.00
April 10	72	44	0.00
April 11	60	33	0.00
April 12	55	27	0.00
April 13	56	30	0.00
April 14	66	42	0.00
April 15	60	35	0.05
April 16	61	31	0.00
April 17	71	34	0.00
April 18	68	46	0.00
April 19	67	44	0.00
April 20	72	43	0.00
April 21	68	47	0.00
April 22	62	44	0.05
April 23	65	49	0.08
April 24	64	44	0.00
April 25	67	46	0.09
April 26	69	45	0.00
April 27	72	49	0.00
April 28	74	44	0.00
April 29	73	48	0.02
April 30	65	48	0.13

May 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	70	38	0.00
May 2	78	44	0.34
May 3	60	43	0.00
May 4	68	37	0.00
May 5	79	46	0.00
May 6	62	42	0.75
May 7	66	42	0.00
May 8	73	38	0.00
May 9	80	45	0.00
May 10	80	53	0.00
May 11	72	52	0.00
May 12	66	52	0.03
May 13	66	50	0.00
May 14	64	50	0.15
May 15	68	50	0.01
May 16	76	50	0.03
May 17	65	50	0.17
May 18	64	47	0.08
May 19	60	52	0.10
May 20	56	49	1.66
May 21	62	46	0.00
May 22	58	44	0.00
May 23	66	44	0.00
May 24	73	46	0.00
May 25	69	51	0.09
May 26	75	58	0.00
May 27	77	52	0.00
May 28	82	51	0.00
May 29	88	60	0.00
May 30	91	55	0.06
May 31	69	50	0.13

June 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	73	50	0.00
June 2	77	47	0.00
June 3	76	49	0.00
June 4	74	53	0.00
June 5	70	53	0.08
June 6	68	50	0.00
June 7	60	48	0.03
June 8	67	49	0.00
June 9	69	51	0.06
June 10	84	59	0.00
June 11	84	61	0.00
June 12	80	59	0.00
June 13	67	49	0.44
June 14	67	48	0.00
June 15	63	52	0.07
June 16	67	50	0.00
June 17	75	51	0.00
June 18	81	55	0.00
June 19	87	56	0.00
June 20	83	61	0.01
June 21	80	59	0.00
June 22	86	55	0.00
June 23	95	59	0.00
June 24	91	67	0.00
June 25	87	61	0.00
June 26	94	63	0.00
June 27	82	56	0.00
June 28	67	53	0.01
June 29	79	54	0.00
June 30	77	57	0.00

July 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	72	54	0.00
July 2	79	53	0.00
July 3	84	50	0.00
July 4	82	57	0.00
July 5	83	56	0.00
July 6	86	56	0.00
July 7	78	57	0.00
July 8	80	57	0.00
July 9	85	57	0.05
July 10	85	59	0.00
July 11	92	56	0.00
July 12	81	60	0.00
July 13	80	55	0.00
July 14	88	51	0.00
July 15	90	56	0.00
July 16	94	64	0.00
July 17	86	63	0.00
July 18	89	59	0.00
July 19	95	60	0.00
July 20	97	63	0.00
July 21	100	65	0.00
July 22	96	70	0.00
July 23	89	66	0.00
July 24	84	59	0.00
July 25	84	56	0.00
July 26	95	55	0.00
July 27	97	60	0.00
July 28	100	73	0.00
July 29	103	69	0.00
July 30	108	70	0.00
July 31	103	76	0.00

August 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	88	69	0.00
August 2	92	64	0.00
August 3	88	64	0.00
August 4	92	63	0.00
August 5	98	63	0.00
August 6	83	58	0.04
August 7	79	54	0.00
August 8	84	59	0.00
August 9	83	58	0.00
August 10	91	58	0.00
August 11	91	66	0.00
August 12	77	60	0.00
August 13	79	56	0.00
August 14	88	53	0.00
August 15	100	59	0.00
August 16	102	66	0.00
August 17	103	72	0.00
August 18	101	79	0.00
August 19	93	68	0.00
August 20	90	67	0.00
August 21	90	65	0.00
August 22	84	62	0.00
August 23	90	57	0.00
August 24	88	64	0.00
August 25	84	64	0.00
August 26	85	60	0.00
August 27	86	56	0.00
August 28	89	56	0.00
August 29	86	58	0.00
August 30	77	54	0.00
August 31	77	61	0.00

September 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	90	58	0.00
September 2	92	63	0.00
September 3	93	61	0.00
September 4	99	61	0.00
September 5	92	68	0.00
September 6	92	60	0.00
September 7	81	53	0.00
September 8	76	45	0.00
September 9	83	44	0.00
September 10	86	52	0.00
September 11	86	56	0.00
September 12	80	59	0.00
September 13	77	59	0.00
September 14	79	57	0.00
September 15	74	55	0.00
September 16	77	52	0.00
September 17	73	53	0.00
September 18	75	54	0.00
September 19	72	56	0.38
September 20	75	55	0.00
September 21	78	50	0.00
September 22	78	61	0.00
September 23	81	58	0.08
September 24	71	56	0.08
September 25	70	54	0.04
September 26	68	51	0.02
September 27	69	49	0.00
September 28	75	46	0.00
September 29	78	49	0.00
September 30	79	50	0.00

October 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	79	52	0.00
October 2	79	51	0.00
October 3	79	51	0.00
October 4	81	54	0.00
October 5	79	51	0.00
October 6	86	54	0.00
October 7	79	54	0.00
October 8	80	60	0.00
October 9	79	54	0.00
October 10	64	49	0.74
October 11	64	48	0.16
October 12	66	45	0.00
October 13	64	46	0.11
October 14	62	46	0.00
October 15	59	43	0.00
October 16	70	47	0.00
October 17	65	54	0.00
October 18	66	52	0.00
October 19	65	52	0.00
October 20	59	46	0.00
October 21	55	38	0.05
October 22	50	30	0.00
October 23	47	28	0.36
October 24	41	30	0.14
October 25	33	22	0.00
October 26	40	24	0.00
October 27	50	27	0.00
October 28	65	36	0.00
October 29	72	40	0.00
October 30	64	44	0.00
October 31	57	33	0.00

November 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	52	33	0.00
November 2	57	34	0.00
November 3	64	32	0.01
November 4	71	49	0.00
November 5	66	48	0.58
November 6	49	41	0.89
November 7	46	32	0.00
November 8	34	27	0.07
November 9	41	23	0.00
November 10	47	32	0.17
November 11	43	33	0.03
November 12	47	30	0.00
November 13	51	40	0.14
November 14	47	38	0.10
November 15	55	41	0.00
November 16	52	41	0.06
November 17	68	38	0.02
November 18	58	42	0.04
November 19	50	37	0.00
November 20	50	31	0.00
November 21	51	30	0.00
November 22	32	27	0.00
November 23	44	31	0.10
November 24	53	35	0.06
November 25	44	36	0.16
November 26	48	37	0.00
November 27	49	29	0.00
November 28	50	33	0.00
November 29	35	28	0.00
November 30	49	27	0.01

December 2020 Walla Walla Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	45	28	0.00
December 2	34	25	0.00
December 3	30	24	0.00
December 4	27	21	0.00
December 5	27	25	0.00
December 6	35	25	0.00
December 7	31	27	0.00
December 8	40	28	0.00
December 9	49	30	0.14
December 10	38	26	0.00
December 11	43	31	0.00
December 12	38	26	0.00
December 13	33	27	0.08
December 14	37	30	0.00
December 15	49	30	0.01
December 16	54	39	0.04
December 17	49	41	0.00
December 18	50	36	0.00
December 19	54	47	0.09
December 20	55	47	0.38
December 21	65	42	0.29
December 22	46	30	0.00
December 23	42	26	0.00
December 24	31	21	0.00
December 25	31	21	0.11
December 26	43	29	0.25
December 27	40	27	0.00
December 28	32	30	0.00
December 29	34	30	0.00
December 30	47	31	0.36
December 31	48	40	0.07

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Weather Station Details

Years	Station	Coordinates
1949–2024	Walla Walla Regional Airport	location