San Francisco Weather in 2023

Historical record of San Francisco, California weather for the year 2023 based on NOAA data.

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2023 San Francisco Weather Extremes
Highest temperature	87 °F	October 19
Lowest temperature	39 °F	March 1
Highest daily low	62 °F	August 24
Lowest daily high	48 °F	February 22
Most daily precipitation	1.4 inches	December 18
Total annual precipitation	27.6 inches	-

What was the hottest temperature in San Francisco in 2023?

The highest temperature recorded in San Francisco, California in 2023 was 87 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Francisco in 2023

Rank	Temperature	Date
1	87 °F	Oct 19
1	87 °F	Aug 30
3	86 °F	Oct 4
3	86 °F	Aug 23
5	84 °F	Oct 18
6	83 °F	Aug 20
7	77 °F	Aug 7
7	77 °F	Jul 1
9	76 °F	Aug 24
10	75 °F	Aug 29
10	75 °F	Aug 28
10	75 °F	Jul 2

What was the coldest temperature in San Francisco in 2023?

The lowest temperature recorded in San Francisco, California in 2023 was 39 °F which happened 3 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Francisco in 2023

Rank	Temperature	Date
1	39 °F	March 1
1	39 °F	February 24
1	39 °F	February 23
4	41 °F	February 27
4	41 °F	February 25
4	41 °F	February 22
4	41 °F	January 31
8	42 °F	April 4
8	42 °F	March 27
8	42 °F	March 6
8	42 °F	March 5
8	42 °F	February 28
8	42 °F	January 21

January 2023 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	61	48	0.00
January 2	53	45	0.42
January 3	54	45	0.00
January 4	60	48	1.06
January 5	58	51	0.27
January 6	59	50	0.00
January 7	59	51	0.20
January 8	61	52	0.37
January 9	59	51	1.20
January 10	56	46	1.22
January 11	58	50	0.94
January 12	66	54	0.00
January 13	62	52	0.42
January 14	58	53	1.09
January 15	54	47	0.96
January 16	55	46	0.64
January 17	56	43	0.00
January 18	56	45	0.10
January 19	54	45	0.00
January 20	56	45	0.00
January 21	56	42	0.00
January 22	59	44	0.00
January 23	62	49	0.00
January 24	62	47	0.00
January 25	65	45	0.00
January 26	68	55	0.00
January 27	56	47	0.00
January 28	58	46	0.00
January 29	50	45	0.00
January 30	55	43	0.00
January 31	59	41	0.00

February 2023 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	55	43	0.00
February 2	60	44	0.00
February 3	57	48	0.50
February 4	58	49	0.25
February 5	55	48	0.23
February 6	58	44	0.00
February 7	60	45	0.00
February 8	63	46	0.00
February 9	66	47	0.00
February 10	56	45	0.02
February 11	53	45	0.07
February 12	62	44	0.00
February 13	63	46	0.00
February 14	52	44	0.00
February 15	57	45	0.00
February 16	56	43	0.00
February 17	60	45	0.00
February 18	63	43	0.00
February 19	65	45	0.00
February 20	67	47	0.00
February 21	54	44	0.00
February 22	48	41	0.00
February 23	49	39	0.46
February 24	49	39	0.74
February 25	50	41	0.00
February 26	50	45	0.33
February 27	50	41	0.43
February 28	53	42	0.43

March 2023 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	55	39	0.00
March 2	58	43	0.00
March 3	57	44	0.00
March 4	52	44	0.23
March 5	54	42	0.31
March 6	54	42	0.23
March 7	53	43	0.02
March 8	54	44	0.28
March 9	57	45	0.72
March 10	58	48	0.38
March 11	60	47	0.04
March 12	58	53	0.18
March 13	65	54	0.01
March 14	60	46	0.91
March 15	57	43	0.00
March 16	60	47	0.00
March 17	65	46	0.00
March 18	64	49	0.02
March 19	58	49	0.93
March 20	55	48	0.06
March 21	55	46	1.06
March 22	58	47	0.21
March 23	55	48	0.00
March 24	56	45	0.00
March 25	55	44	0.00
March 26	54	43	0.00
March 27	61	42	0.00
March 28	52	45	0.77
March 29	52	45	0.63
March 30	56	44	0.00
March 31	58	46	0.00

April 2023 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	60	45	0.00
April 2	55	47	0.00
April 3	55	44	0.00
April 4	56	42	0.00
April 5	58	44	0.00
April 6	61	47	0.00
April 7	58	50	0.21
April 8	61	49	0.00
April 9	68	49	0.00
April 10	68	50	0.00
April 11	59	49	0.02
April 12	56	47	0.00
April 13	60	46	0.00
April 14	56	46	0.00
April 15	57	47	0.00
April 16	56	46	0.00
April 17	56	48	0.01
April 18	57	46	0.00
April 19	57	46	0.00
April 20	63	47	0.00
April 21	72	52	0.00
April 22	66	51	0.00
April 23	62	50	0.00
April 24	63	48	0.00
April 25	67	48	0.00
April 26	71	49	0.00
April 27	74	47	0.00
April 28	62	50	0.00
April 29	57	48	0.00
April 30	58	49	0.00

May 2023 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	56	50	0.00
May 2	55	48	0.55
May 3	61	49	0.54
May 4	59	49	0.00
May 5	59	51	0.00
May 6	61	52	0.08
May 7	60	49	0.00
May 8	61	51	0.02
May 9	61	52	0.00
May 10	59	51	0.00
May 11	61	51	0.00
May 12	63	51	0.00
May 13	74	51	0.00
May 14	67	51	0.00
May 15	63	53	0.00
May 16	67	52	0.00
May 17	60	51	0.00
May 18	59	51	0.00
May 19	59	51	0.00
May 20	59	51	0.02
May 21	65	50	0.00
May 22	66	52	0.00
May 23	64	52	0.00
May 24	62	51	0.00
May 25	61	52	0.00
May 26	62	52	0.00
May 27	60	51	0.00
May 28	58	53	0.00
May 29	63	52	0.00
May 30	62	54	0.00
May 31	60	52	0.00

June 2023 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	62	52	0.00
June 2	63	52	0.00
June 3	69	51	0.00
June 4	64	52	0.00
June 5	63	52	0.00
June 6	68	56	0.00
June 7	65	56	0.00
June 8	65	55	0.00
June 9	61	54	0.00
June 10	61	52	0.00
June 11	62	53	0.00
June 12	64	55	0.00
June 13	63	55	0.00
June 14	65	53	0.00
June 15	66	54	0.00
June 16	66	56	0.00
June 17	63	55	0.00
June 18	64	56	0.00
June 19	62	52	0.00
June 20	66	51	0.00
June 21	63	52	0.00
June 22	62	52	0.00
June 23	64	55	0.00
June 24	62	55	0.00
June 25	61	54	0.00
June 26	60	52	0.00
June 27	59	51	0.01
June 28	58	51	0.00
June 29	67	51	0.00
June 30	66	52	0.00

July 2023 San Francisco Weather

Day	High (°F)	Low (°F)
July 1	77	51
July 2	75	57
July 3	65	56
July 4	64	55
July 5	63	55
July 6	62	55
July 7	60	53
July 8	61	53
July 9	60	52
July 10	62	52
July 11	69	53
July 12	64	52
July 13	64	53
July 14	68	53
July 15	69	54
July 16	70	54
July 17	74	56
July 18	63	55
July 19	64	53
July 20	68	53
July 21	70	54
July 22	72	54
July 23	67	57
July 24	65	53
July 25	69	53
July 26	65	56
July 27	64	54
July 28	65	53
July 29	67	53
July 30	67	54
July 31	67	55

August 2023 San Francisco Weather

Day	High (°F)	Low (°F)
August 1	62	55
August 2	62	54
August 3	62	54
August 4	68	54
August 5	73	54
August 6	73	56
August 7	77	58
August 8	67	55
August 9	69	55
August 10	67	55
August 11	67	59
August 12	68	57
August 13	71	55
August 14	69	57
August 15	73	56
August 16	70	57
August 17	69	58
August 18	73	61
August 19	68	60
August 20	83	58
August 21	73	61
August 22	73	61
August 23	86	60
August 24	76	62
August 25	66	59
August 26	65	58
August 27	66	57
August 28	75	57
August 29	75	56
August 30	87	61
August 31	65	57

September 2023 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	64	57	0.02
September 2	72	60	0.00
September 3	68	58	0.00
September 4	67	56	0.00
September 5	70	57	0.00
September 6	69	57	0.00
September 7	66	56	0.00
September 8	71	55	0.00
September 9	67	55	0.00
September 10	68	55	0.00
September 11	71	56	0.00
September 12	68	57	0.00
September 13	69	57	0.00
September 14	68	56	0.00
September 15	67	60	0.00
September 16	67	60	0.00
September 17	69	59	0.00
September 18	68	59	0.00
September 19	68	58	0.00
September 20	68	58	0.00
September 21	70	56	0.00
September 22	68	57	0.00
September 23	66	55	0.00
September 24	68	56	0.00
September 25	74	58	0.00
September 26	70	60	0.07
September 27	71	57	0.00
September 28	71	56	0.00
September 29	65	57	0.00
September 30	66	55	0.02

October 2023 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	66	54	0.00
October 2	65	53	0.00
October 3	68	54	0.00
October 4	86	60	0.00
October 5	n/a	n/a	0.00
October 6	n/a	n/a	0.00
October 7	n/a	n/a	0.00
October 8	n/a	n/a	0.00
October 9	n/a	n/a	0.02
October 10	n/a	n/a	0.02
October 11	n/a	n/a	0.00
October 12	n/a	n/a	0.00
October 13	n/a	n/a	0.00
October 14	n/a	n/a	0.00
October 15	n/a	n/a	0.00
October 16	n/a	n/a	0.00
October 17	n/a	n/a	0.00
October 18	84	n/a	0.00
October 19	87	58	0.00
October 20	66	57	0.00
October 21	68	55	0.00
October 22	65	59	0.19
October 23	69	57	0.00
October 24	67	55	0.00
October 25	62	54	0.00
October 26	63	49	0.00
October 27	62	48	0.00
October 28	65	49	0.00
October 29	72	54	0.00
October 30	72	51	0.00
October 31	n/a	52	0.00

November 2023 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	n/a	n/a	0.00
November 2	n/a	55	0.00
November 3	n/a	n/a	0.00
November 4	69	57	0.00
November 5	69	59	0.04
November 6	n/a	n/a	0.01
November 7	n/a	n/a	0.00
November 8	68	50	0.00
November 9	66	49	0.00
November 10	66	50	0.00
November 11	70	52	0.00
November 12	69	53	0.00
November 13	65	53	0.00
November 14	68	55	0.00
November 15	66	57	0.07
November 16	65	56	0.03
November 17	67	56	0.36
November 18	62	55	0.81
November 19	60	51	0.00
November 20	65	51	0.00
November 21	64	51	0.00
November 22	66	49	0.00
November 23	67	51	0.00
November 24	61	49	0.00
November 25	61	46	0.00
November 26	61	48	0.00
November 27	62	46	0.00
November 28	63	47	0.04
November 29	61	50	0.44
November 30	59	51	0.00

December 2023 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	59	49	0.02
December 2	59	53	0.08
December 3	63	54	0.00
December 4	63	52	0.00
December 5	63	52	0.00
December 6	62	51	0.19
December 7	60	49	0.10
December 8	57	47	0.00
December 9	58	46	0.00
December 10	56	47	0.00
December 11	63	46	0.00
December 12	62	49	0.00
December 13	62	47	0.00
December 14	59	47	0.00
December 15	62	49	0.00
December 16	65	48	0.00
December 17	57	53	0.07
December 18	62	50	1.40
December 19	62	57	0.40
December 20	59	53	1.21
December 21	62	53	0.00
December 22	61	52	0.00
December 23	59	48	0.00
December 24	55	46	0.00
December 25	58	46	0.00
December 26	58	50	0.00
December 27	59	51	0.17
December 28	63	56	0.00
December 29	62	54	0.86
December 30	60	50	0.15
December 31	57	49	0.00

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Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location