Petaluma Weather in 2020

2020 Petaluma Weather Extremes
Highest temperature	107 °F	September 6
Lowest temperature	29 °F	December 23
Highest daily low	66 °F	August 16
Lowest daily high	50 °F	January 19
Most daily precipitation	1.3 inches	January 16
Total annual precipitation	9.7 inches	-

Rank	Temperature	Date
1	107 °F	Sep 6
2	105 °F	Sep 7
3	103 °F	Sep 5
4	102 °F	Aug 15
4	102 °F	Aug 14
6	99 °F	Sep 28
7	97 °F	Oct 3
7	97 °F	Sep 27
9	96 °F	Oct 2
9	96 °F	Aug 18

Rank	Temperature	Date
1	29 °F	December 23
2	30 °F	November 9
3	31 °F	December 20
3	31 °F	December 19
3	31 °F	November 21
3	31 °F	January 15
3	31 °F	January 7
8	32 °F	December 30
8	32 °F	November 26
8	32 °F	November 22
8	32 °F	November 14
8	32 °F	November 13
8	32 °F	November 12
8	32 °F	November 11
8	32 °F	November 10
8	32 °F	April 2
8	32 °F	April 1
8	32 °F	March 30
8	32 °F	March 29
8	32 °F	March 28
8	32 °F	March 27
8	32 °F	March 26
8	32 °F	January 18
8	32 °F	January 17
8	32 °F	January 4

January 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	64	39	0.00
January 2	64	39	0.00
January 3	64	36	0.00
January 4	69	32	0.00
January 5	58	39	0.00
January 6	59	35	0.01
January 7	58	31	0.00
January 8	55	40	0.17
January 9	58	41	0.00
January 10	58	34	0.24
January 11	56	43	0.00
January 12	54	36	0.04
January 13	56	36	0.02
January 14	56	38	0.05
January 15	53	31	0.01
January 16	52	43	1.30
January 17	54	32	0.01
January 18	54	32	0.00
January 19	50	38	0.00
January 20	55	42	0.06
January 21	55	40	0.20
January 22	61	41	0.01
January 23	60	40	0.00
January 24	60	40	0.00
January 25	61	40	0.00
January 26	61	53	0.31
January 27	60	44	0.01
January 28	61	50	0.10
January 29	62	41	0.01
January 30	67	45	0.00
January 31	67	42	0.00

February 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	67	40	0.00
February 2	66	45	0.00
February 3	57	38	0.00
February 4	58	36	0.00
February 5	63	33	0.00
February 6	66	35	0.00
February 7	67	36	0.00
February 8	62	36	0.00
February 9	64	43	0.00
February 10	76	41	0.00
February 11	79	40	0.00
February 12	73	38	0.00
February 13	66	37	0.00
February 14	66	38	0.00
February 15	63	36	0.00
February 16	61	42	0.00
February 17	73	37	0.00
February 18	66	37	0.00
February 19	66	37	0.00
February 20	66	38	0.00
February 21	73	39	0.00
February 22	70	38	0.00
February 23	61	37	0.00
February 24	69	37	0.00
February 25	75	41	0.00
February 26	74	40	0.00
February 27	75	39	0.00
February 28	76	40	0.00
February 29	58	39	0.00

March 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	60	42	0.00
March 2	75	51	0.00
March 3	77	43	0.00
March 4	77	41	0.00
March 5	78	49	0.00
March 6	60	51	0.00
March 7	56	46	0.10
March 8	57	33	0.00
March 9	63	41	0.00
March 10	75	39	0.00
March 11	74	43	0.00
March 12	70	43	0.00
March 13	70	42	0.00
March 14	71	43	0.10
March 15	54	43	0.43
March 16	54	42	0.08
March 17	54	35	0.00
March 18	55	36	0.05
March 19	61	40	0.05
March 20	63	37	0.00
March 21	63	37	0.00
March 22	65	36	0.00
March 23	64	44	0.00
March 24	60	38	0.12
March 25	64	35	0.02
March 26	64	32	0.00
March 27	64	32	0.00
March 28	64	32	0.50
March 29	64	32	0.20
March 30	64	32	0.50
March 31	64	33	0.00

April 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	64	32	0.00
April 2	64	32	0.00
April 3	61	40	0.00
April 4	60	42	0.18
April 5	58	42	0.30
April 6	57	34	0.01
April 7	63	34	0.58
April 8	62	42	0.00
April 9	64	51	0.00
April 10	64	51	0.00
April 11	64	50	0.00
April 12	68	50	0.00
April 13	70	48	0.00
April 14	78	41	0.00
April 15	77	42	0.00
April 16	68	50	0.00
April 17	60	50	0.00
April 18	60	52	0.00
April 19	62	41	0.00
April 20	61	49	0.00
April 21	69	42	0.00
April 22	73	44	0.00
April 23	77	41	0.00
April 24	79	52	0.00
April 25	80	52	0.00
April 26	75	48	0.00
April 27	75	48	0.00
April 28	79	52	0.00
April 29	71	51	0.00
April 30	71	50	0.00

May 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	70	46	0.00
May 2	70	45	0.00
May 3	67	44	0.00
May 4	76	39	0.00
May 5	71	43	0.00
May 6	78	43	0.00
May 7	87	43	0.00
May 8	88	46	0.00
May 9	88	43	0.00
May 10	75	40	0.00
May 11	65	48	0.19
May 12	65	47	0.10
May 13	65	46	0.12
May 14	66	45	0.02
May 15	69	46	0.00
May 16	71	51	0.00
May 17	70	57	0.13
May 18	67	50	0.85
May 19	70	50	0.00
May 20	71	46	0.00
May 21	75	47	0.00
May 22	75	47	0.00
May 23	79	46	0.00
May 24	83	48	0.00
May 25	92	54	0.00
May 26	94	55	0.00
May 27	93	59	0.00
May 28	93	51	0.00
May 29	78	53	0.00
May 30	n/a	n/a	n/a
May 31	n/a	n/a	n/a

June 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	78	53	0.00
June 2	87	52	0.00
June 3	95	52	0.00
June 4	90	52	0.00
June 5	89	49	0.00
June 6	68	47	0.00
June 7	68	46	0.00
June 8	76	46	0.00
June 9	86	48	0.00
June 10	88	55	0.00
June 11	85	54	0.00
June 12	85	53	0.00
June 13	85	53	0.00
June 14	73	56	0.00
June 15	73	57	0.00
June 16	74	54	0.00
June 17	86	49	0.00
June 18	91	49	0.00
June 19	91	50	0.00
June 20	80	54	0.00
June 21	78	52	0.00
June 22	84	54	0.00
June 23	82	55	0.00
June 24	86	55	0.00
June 25	85	55	0.00
June 26	86	54	0.00
June 27	86	54	0.00
June 28	76	50	0.00
June 29	79	54	0.00
June 30	84	52	0.00

July 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	83	52	0.00
July 2	78	49	0.00
July 3	73	49	0.00
July 4	87	49	0.00
July 5	82	54	0.00
July 6	83	51	0.00
July 7	83	48	0.00
July 8	86	52	0.00
July 9	88	51	0.00
July 10	89	51	0.00
July 11	91	50	0.00
July 12	91	49	0.00
July 13	83	54	0.00
July 14	82	53	0.00
July 15	80	56	0.00
July 16	75	56	0.00
July 17	78	53	0.00
July 18	82	53	0.00
July 19	75	56	0.00
July 20	71	54	0.00
July 21	73	54	0.00
July 22	76	55	0.00
July 23	78	53	0.00
July 24	78	54	0.00
July 25	81	52	0.00
July 26	78	55	0.00
July 27	75	53	0.00
July 28	74	52	0.00
July 29	75	52	0.00
July 30	74	53	0.00
July 31	76	54	0.00

August 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	82	51	0.00
August 2	85	51	0.00
August 3	84	56	0.00
August 4	83	55	0.00
August 5	76	56	0.00
August 6	80	53	0.00
August 7	83	53	0.00
August 8	84	54	0.00
August 9	86	53	0.00
August 10	84	57	0.00
August 11	83	57	0.00
August 12	81	54	0.00
August 13	94	48	0.00
August 14	102	48	0.00
August 15	102	49	0.00
August 16	94	66	0.05
August 17	90	64	0.13
August 18	96	62	0.00
August 19	89	60	0.00
August 20	87	52	0.00
August 21	87	52	0.00
August 22	91	52	0.00
August 23	88	52	0.00
August 24	90	59	0.00
August 25	80	56	0.00
August 26	75	54	0.00
August 27	78	53	0.00
August 28	75	51	0.00
August 29	76	57	0.00
August 30	76	54	0.00
August 31	75	54	0.00

September 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	72	56	0.00
September 2	72	58	0.00
September 3	71	55	0.00
September 4	87	55	0.00
September 5	103	54	0.00
September 6	107	53	0.00
September 7	105	63	0.00
September 8	87	55	0.00
September 9	62	56	0.00
September 10	68	58	0.00
September 11	81	51	0.00
September 12	89	50	0.00
September 13	78	50	0.00
September 14	74	55	0.00
September 15	79	54	0.00
September 16	81	57	0.00
September 17	78	59	0.00
September 18	74	60	0.00
September 19	83	55	0.00
September 20	87	53	0.00
September 21	84	51	0.00
September 22	79	53	0.00
September 23	79	52	0.00
September 24	79	59	0.00
September 25	79	51	0.00
September 26	86	51	0.00
September 27	97	57	0.00
September 28	99	62	0.00
September 29	91	54	0.00
September 30	89	56	0.00

October 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	94	55	0.00
October 2	96	53	0.00
October 3	97	49	0.00
October 4	84	50	0.00
October 5	84	47	0.00
October 6	91	47	0.00
October 7	76	47	0.00
October 8	70	57	0.00
October 9	72	56	0.00
October 10	73	56	0.00
October 11	80	49	0.00
October 12	86	50	0.00
October 13	90	52	0.00
October 14	92	57	0.00
October 15	93	54	0.00
October 16	94	53	0.00
October 17	95	52	0.00
October 18	89	50	0.00
October 19	83	48	0.00
October 20	86	47	0.00
October 21	n/a	n/a	n/a
October 22	85	47	0.00
October 23	71	51	0.00
October 24	71	49	0.00
October 25	71	50	0.00
October 26	78	53	0.00
October 27	79	50	0.00
October 28	79	40	0.00
October 29	79	40	0.00
October 30	79	44	0.00
October 31	n/a	n/a	n/a

November 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	79	42	0.00
November 2	86	42	0.00
November 3	78	48	0.00
November 4	78	48	0.00
November 5	83	46	0.00
November 6	83	46	0.00
November 7	83	42	0.00
November 8	58	43	0.00
November 9	59	30	0.00
November 10	63	32	0.00
November 11	63	32	0.00
November 12	63	32	0.00
November 13	62	32	0.01
November 14	62	32	0.05
November 15	68	35	0.00
November 16	68	41	0.01
November 17	65	48	0.24
November 18	64	55	0.34
November 19	64	45	0.01
November 20	64	36	0.00
November 21	64	31	0.00
November 22	63	32	0.00
November 23	63	44	0.00
November 24	66	36	0.00
November 25	66	36	0.00
November 26	66	32	0.00
November 27	n/a	n/a	n/a
November 28	n/a	n/a	n/a
November 29	n/a	n/a	n/a
November 30	n/a	n/a	n/a

December 2020 Petaluma Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	66	37	0.00
December 2	66	34	0.00
December 3	64	36	0.00
December 4	66	35	0.00
December 5	66	34	0.00
December 6	65	34	0.00
December 7	76	42	0.00
December 8	72	36	0.00
December 9	66	33	0.00
December 10	66	34	0.00
December 11	66	36	0.00
December 12	54	46	0.25
December 13	56	48	0.35
December 14	57	37	0.01
December 15	59	38	0.00
December 16	56	40	0.00
December 17	58	48	0.67
December 18	61	34	0.00
December 19	59	31	0.00
December 20	58	31	0.00
December 21	59	33	0.00
December 22	61	36	0.00
December 23	59	29	0.00
December 24	54	37	0.00
December 25	n/a	n/a	n/a
December 26	59	37	0.25
December 27	59	36	0.00
December 28	59	37	0.00
December 29	62	36	0.00
December 30	62	32	0.00
December 31	60	40	0.14