San Luis Obispo Weather in 2023

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

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2023 San Luis Obispo Weather Extremes
Highest temperature	106 °F	October 6
Lowest temperature	31 °F	February 16
Highest daily low	65 °F	September 2
Lowest daily high	51 °F	February 25
Most daily precipitation	4.0 inches	January 9
Total annual precipitation	28.4 inches	-

What was the hottest temperature in San Luis Obispo in 2023?

The highest temperature recorded in San Luis Obispo, California in 2023 was 106 °F which happened on October 6.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Luis Obispo in 2023

Rank	Temperature	Date
1	106 °F	Oct 6
2	101 °F	Oct 5
2	101 °F	Aug 30
4	100 °F	Aug 28
5	96 °F	Oct 7
6	95 °F	Nov 3
6	95 °F	Oct 17
6	95 °F	Aug 20
9	93 °F	Oct 4
10	92 °F	Aug 29
10	92 °F	Jul 25

What was the coldest temperature in San Luis Obispo in 2023?

The lowest temperature recorded in San Luis Obispo, California in 2023 was 31 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Luis Obispo in 2023

Rank	Temperature	Date
1	31 °F	February 16
1	31 °F	February 1
3	32 °F	January 24
4	33 °F	February 17
4	33 °F	January 21
6	34 °F	February 26
6	34 °F	February 2
6	34 °F	January 25
6	34 °F	January 23
10	35 °F	March 7
10	35 °F	February 19
10	35 °F	January 31

January 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	58	44	0.02
January 2	53	41	0.13
January 3	61	44	0.00
January 4	63	49	1.21
January 5	60	43	0.33
January 6	65	37	0.00
January 7	62	42	0.06
January 8	63	50	0.17
January 9	62	58	4.04
January 10	60	52	0.97
January 11	62	49	0.00
January 12	66	44	0.00
January 13	61	46	0.17
January 14	59	53	1.51
January 15	56	47	0.16
January 16	57	44	0.42
January 17	58	37	0.00
January 18	59	37	0.00
January 19	58	41	0.06
January 20	60	37	0.00
January 21	65	33	0.00
January 22	61	38	0.00
January 23	63	34	0.00
January 24	67	32	0.00
January 25	72	34	0.00
January 26	67	37	0.00
January 27	68	36	0.00
January 28	63	40	0.00
January 29	53	43	0.16
January 30	58	42	0.00
January 31	64	35	0.00

February 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	67	31	0.00
February 2	68	34	0.00
February 3	67	41	0.00
February 4	68	40	0.34
February 5	60	47	0.02
February 6	61	44	0.00
February 7	66	37	0.00
February 8	75	40	0.00
February 9	76	43	0.00
February 10	65	40	0.00
February 11	54	38	0.02
February 12	65	43	0.00
February 13	57	44	0.00
February 14	58	40	0.00
February 15	61	36	0.00
February 16	63	31	0.00
February 17	65	33	0.00
February 18	70	39	0.00
February 19	73	35	0.00
February 20	72	37	0.00
February 21	58	37	0.00
February 22	53	38	0.00
February 23	51	38	0.42
February 24	52	40	2.64
February 25	51	37	0.01
February 26	54	34	0.07
February 27	57	44	0.65
February 28	55	41	0.23

March 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	54	40	0.11
March 2	63	37	0.00
March 3	61	36	0.00
March 4	56	40	0.07
March 5	57	47	0.17
March 6	57	41	0.00
March 7	59	35	0.00
March 8	59	37	0.00
March 9	64	41	0.61
March 10	59	52	2.62
March 11	61	57	0.00
March 12	64	53	0.00
March 13	69	52	0.02
March 14	60	56	2.93
March 15	62	49	0.03
March 16	61	45	0.00
March 17	65	45	0.00
March 18	71	43	0.00
March 19	62	52	0.09
March 20	59	52	0.01
March 21	57	48	0.80
March 22	57	47	0.54
March 23	58	46	0.01
March 24	61	42	0.00
March 25	61	42	0.00
March 26	61	42	0.00
March 27	67	40	0.00
March 28	60	37	0.72
March 29	58	45	0.40
March 30	60	42	0.16
March 31	65	40	0.00

April 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)
April 1	68	45
April 2	62	44
April 3	57	41
April 4	59	37
April 5	65	43
April 6	69	40
April 7	65	48
April 8	69	48
April 9	79	48
April 10	75	51
April 11	68	51
April 12	66	47
April 13	65	41
April 14	66	39
April 15	66	42
April 16	63	48
April 17	62	44
April 18	63	42
April 19	68	46
April 20	77	52
April 21	85	54
April 22	70	51
April 23	66	49
April 24	69	47
April 25	66	46
April 26	70	48
April 27	72	47
April 28	69	49
April 29	67	50
April 30	67	51

May 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	62	50	0.00
May 2	61	50	0.04
May 3	60	48	0.24
May 4	63	50	0.14
May 5	67	48	0.00
May 6	67	44	0.00
May 7	70	46	0.00
May 8	68	45	0.00
May 9	65	51	0.00
May 10	66	52	0.00
May 11	70	47	0.00
May 12	70	48	0.00
May 13	79	50	0.00
May 14	71	51	0.00
May 15	70	54	0.00
May 16	71	53	0.00
May 17	73	52	0.00
May 18	75	51	0.00
May 19	71	54	0.00
May 20	67	53	0.00
May 21	69	53	0.00
May 22	69	53	0.00
May 23	63	53	0.00
May 24	62	53	0.00
May 25	69	51	0.00
May 26	68	52	0.00
May 27	67	54	0.00
May 28	64	53	0.00
May 29	66	54	0.00
May 30	65	52	0.00
May 31	69	50	0.00

June 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	65	53	0.00
June 2	68	53	0.00
June 3	73	53	0.00
June 4	68	54	0.00
June 5	62	55	0.08
June 6	61	56	0.03
June 7	65	57	0.00
June 8	73	54	0.00
June 9	67	57	0.00
June 10	71	57	0.00
June 11	69	56	0.00
June 12	67	56	0.00
June 13	72	58	0.00
June 14	73	57	0.00
June 15	70	57	0.00
June 16	74	59	0.00
June 17	76	57	0.00
June 18	72	56	0.00
June 19	70	51	0.00
June 20	76	49	0.00
June 21	70	47	0.00
June 22	67	54	0.00
June 23	72	55	0.00
June 24	72	51	0.00
June 25	69	55	0.00
June 26	70	55	0.00
June 27	73	54	0.00
June 28	72	54	0.00
June 29	76	52	0.00
June 30	81	51	0.00

July 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)
July 1	82	53
July 2	81	53
July 3	79	54
July 4	75	55
July 5	76	56
July 6	73	57
July 7	73	56
July 8	73	54
July 9	73	52
July 10	78	52
July 11	83	51
July 12	81	51
July 13	86	52
July 14	80	54
July 15	85	53
July 16	84	54
July 17	87	54
July 18	86	56
July 19	76	55
July 20	78	53
July 21	80	52
July 22	87	52
July 23	84	58
July 24	85	55
July 25	92	59
July 26	80	57
July 27	82	55
July 28	84	55
July 29	83	57
July 30	86	55
July 31	83	54

August 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)
August 1	76	55
August 2	74	57
August 3	76	53
August 4	80	55
August 5	75	54
August 6	83	54
August 7	81	57
August 8	81	58
August 9	78	58
August 10	73	60
August 11	85	60
August 12	81	59
August 13	82	60
August 14	84	60
August 15	85	60
August 16	83	61
August 17	83	61
August 18	84	62
August 19	82	56
August 20	95	63
August 21	78	65
August 22	83	60
August 23	83	60
August 24	80	62
August 25	81	61
August 26	81	63
August 27	88	60
August 28	100	60
August 29	92	60
August 30	101	60
August 31	82	54

September 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	80	60	0.00
September 2	71	65	0.00
September 3	77	61	0.00
September 4	83	58	0.00
September 5	80	55	0.00
September 6	78	60	0.00
September 7	81	55	0.00
September 8	87	56	0.00
September 9	90	61	0.02
September 10	84	62	0.00
September 11	79	58	0.00
September 12	76	57	0.00
September 13	76	58	0.00
September 14	77	62	0.00
September 15	77	61	0.00
September 16	76	61	0.00
September 17	79	61	0.00
September 18	79	58	0.00
September 19	82	59	0.00
September 20	72	63	0.00
September 21	73	55	0.00
September 22	80	50	0.00
September 23	77	54	0.00
September 24	78	51	0.00
September 25	78	53	0.00
September 26	89	55	0.00
September 27	89	55	0.00
September 28	88	58	0.00
September 29	77	53	0.00
September 30	68	60	0.05

October 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)
October 1	75	56
October 2	76	53
October 3	87	55
October 4	93	52
October 5	101	57
October 6	106	62
October 7	96	62
October 8	83	56
October 9	75	60
October 10	75	57
October 11	79	59
October 12	88	54
October 13	81	51
October 14	84	51
October 15	85	52
October 16	81	56
October 17	95	56
October 18	91	53
October 19	84	57
October 20	78	57
October 21	75	54
October 22	76	51
October 23	79	56
October 24	77	56
October 25	67	54
October 26	76	50
October 27	78	48
October 28	72	49
October 29	82	46
October 30	82	41
October 31	87	44

November 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	89	42	0.00
November 2	89	43	0.00
November 3	95	50	0.00
November 4	86	50	0.00
November 5	76	54	0.00
November 6	75	58	0.00
November 7	72	54	0.00
November 8	79	50	0.00
November 9	81	44	0.00
November 10	82	45	0.00
November 11	88	47	0.00
November 12	82	42	0.00
November 13	71	41	0.00
November 14	73	43	0.00
November 15	74	47	0.00
November 16	78	55	0.00
November 17	76	52	0.03
November 18	67	61	1.09
November 19	71	56	0.00
November 20	76	48	0.00
November 21	83	40	0.00
November 22	86	46	0.00
November 23	77	49	0.00
November 24	72	41	0.00
November 25	72	39	0.00
November 26	74	43	0.00
November 27	73	40	0.00
November 28	72	38	0.00
November 29	67	45	0.08
November 30	71	48	0.00

December 2023 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	70	48	0.00
December 2	72	48	0.00
December 3	73	47	0.00
December 4	78	52	0.00
December 5	87	49	0.00
December 6	68	44	0.00
December 7	69	55	0.00
December 8	69	51	0.00
December 9	74	45	0.00
December 10	80	47	0.00
December 11	81	49	0.00
December 12	75	45	0.00
December 13	71	41	0.00
December 14	76	40	0.00
December 15	80	40	0.00
December 16	80	39	0.00
December 17	78	50	0.00
December 18	65	52	0.61
December 19	66	62	0.65
December 20	63	56	1.49
December 21	66	54	0.04
December 22	72	57	0.00
December 23	69	49	0.00
December 24	69	42	0.00
December 25	69	42	0.00
December 26	67	43	0.00
December 27	65	51	0.00
December 28	73	50	0.00
December 29	68	59	0.00
December 30	64	52	0.70
December 31	63	49	0.00

Next Year >

Weather Station Details

Years	Station	Coordinates
1999–2024	San Luis Obispo Airport	location
1893–1998	San Luis Obispo Poly	location