San Luis Obispo Weather in 2015

Historical record of San Luis Obispo, California weather for the year 2015 based on NOAA data.

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2015 San Luis Obispo Weather Extremes
Highest temperature	105 °F	October 9
Lowest temperature	27 °F	January 1
Highest daily low	68 °F	July 19
Lowest daily high	57 °F	December 28
Most daily precipitation	1.3 inches	July 19
Most daily snow	none	-
Total annual precipitation	7.3 inches	-
Total annual snow	none	-

What was the hottest temperature in San Luis Obispo in 2015?

The highest temperature recorded in San Luis Obispo, California in 2015 was 105 °F which happened on October 9.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Luis Obispo in 2015

Rank	Temperature	Date
1	105 °F	Oct 9
2	102 °F	Aug 27
3	101 °F	Sep 24
4	100 °F	Oct 8
5	99 °F	Sep 21
5	99 °F	Sep 19
7	98 °F	Sep 9
8	97 °F	Sep 10
8	97 °F	Aug 28
10	96 °F	Sep 20

What was the coldest temperature in San Luis Obispo in 2015?

The lowest temperature recorded in San Luis Obispo, California in 2015 was 27 °F which happened on Jan 1.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Luis Obispo in 2015

Rank	Temperature	Date
1	27 °F	January 1
2	29 °F	December 27
2	29 °F	January 3
4	30 °F	January 2
5	32 °F	January 4
6	34 °F	December 30
6	34 °F	December 15
6	34 °F	November 30
6	34 °F	November 29
10	35 °F	December 25

January 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	58	27	0.00
January 2	59	30	0.00
January 3	59	29	0.00
January 4	67	32	0.00
January 5	77	38	0.00
January 6	79	40	0.00
January 7	81	39	0.00
January 8	73	44	0.00
January 9	70	47	0.00
January 10	68	52	0.01
January 11	69	47	0.01
January 12	68	44	0.00
January 13	71	45	0.00
January 14	69	38	0.00
January 15	70	38	0.00
January 16	73	40	0.00
January 17	78	50	0.00
January 18	73	43	0.00
January 19	76	48	0.00
January 20	70	47	0.00
January 21	69	42	0.00
January 22	72	37	0.00
January 23	76	36	0.00
January 24	80	39	0.00
January 25	85	41	0.00
January 26	75	47	0.01
January 27	69	47	0.04
January 28	68	46	0.00
January 29	75	44	0.00
January 30	70	40	0.00
January 31	74	47	0.00

February 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	73	38	0.00
February 2	79	41	0.00
February 3	76	41	0.00
February 4	69	41	0.00
February 5	67	42	0.00
February 6	66	47	0.29
February 7	65	59	0.81
February 8	69	54	0.39
February 9	67	53	0.00
February 10	72	52	0.00
February 11	78	44	0.00
February 12	82	44	0.00
February 13	82	44	0.00
February 14	81	45	0.00
February 15	73	42	0.00
February 16	62	50	0.00
February 17	58	52	0.00
February 18	68	53	0.00
February 19	67	54	0.00
February 20	67	50	0.00
February 21	62	51	0.00
February 22	61	46	0.22
February 23	61	41	0.00
February 24	69	38	0.00
February 25	69	39	0.00
February 26	72	41	0.00
February 27	65	45	0.00
February 28	57	43	0.39

March 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	62	41	0.23
March 2	60	37	0.00
March 3	66	37	0.00
March 4	71	42	0.00
March 5	76	39	0.00
March 6	82	46	0.00
March 7	83	43	0.00
March 8	73	41	0.00
March 9	76	49	0.00
March 10	69	42	0.00
March 11	68	49	0.00
March 12	81	49	0.00
March 13	89	47	0.00
March 14	90	51	0.00
March 15	85	51	0.00
March 16	80	46	0.00
March 17	70	55	0.00
March 18	74	50	0.00
March 19	81	45	0.00
March 20	73	45	0.00
March 21	74	44	0.00
March 22	70	53	0.00
March 23	69	45	0.00
March 24	74	54	0.00
March 25	83	54	0.00
March 26	90	50	0.00
March 27	74	47	0.00
March 28	78	47	0.00
March 29	80	49	0.00
March 30	79	44	0.00
March 31	76	45	0.00

April 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	71	50	0.00
April 2	71	49	0.00
April 3	83	47	0.00
April 4	76	44	0.00
April 5	67	38	0.00
April 6	65	39	0.00
April 7	61	44	0.59
April 8	66	40	0.00
April 9	73	46	0.00
April 10	69	42	0.00
April 11	76	41	0.00
April 12	77	49	0.00
April 13	68	48	0.00
April 14	77	46	0.00
April 15	78	47	0.00
April 16	80	45	0.00
April 17	83	43	0.00
April 18	71	45	0.00
April 19	69	49	0.00
April 20	67	51	0.00
April 21	62	53	0.00
April 22	67	53	0.00
April 23	65	52	0.00
April 24	68	50	0.00
April 25	62	48	0.31
April 26	70	47	0.00
April 27	84	48	0.00
April 28	73	50	0.00
April 29	73	49	0.00
April 30	85	49	0.00

May 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	75	51	0.00
May 2	70	48	0.00
May 3	64	48	0.00
May 4	67	47	0.00
May 5	65	53	0.00
May 6	63	52	0.00
May 7	61	51	0.01
May 8	64	49	0.00
May 9	67	52	0.00
May 10	71	48	0.00
May 11	68	46	0.00
May 12	67	43	0.00
May 13	65	42	0.00
May 14	64	46	0.07
May 15	68	50	0.00
May 16	70	43	0.00
May 17	69	54	0.00
May 18	68	50	0.00
May 19	70	51	0.00
May 20	67	54	0.00
May 21	65	51	0.00
May 22	72	54	0.00
May 23	67	54	0.00
May 24	70	46	0.00
May 25	68	53	0.00
May 26	67	52	0.00
May 27	69	53	0.00
May 28	74	52	0.00
May 29	74	52	0.00
May 30	77	51	0.00
May 31	68	51	0.00

June 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	73	47	0.00
June 2	75	53	0.00
June 3	73	52	0.00
June 4	66	54	0.00
June 5	70	53	0.00
June 6	72	54	0.00
June 7	78	53	0.00
June 8	83	52	0.00
June 9	80	53	0.01
June 10	81	58	0.00
June 11	75	57	0.00
June 12	78	56	0.00
June 13	75	56	0.00
June 14	76	57	0.00
June 15	76	54	0.00
June 16	77	52	0.00
June 17	79	51	0.00
June 18	78	51	0.00
June 19	74	52	0.00
June 20	86	52	0.00
June 21	74	50	0.00
June 22	72	51	0.00
June 23	75	48	0.00
June 24	72	51	0.00
June 25	82	52	0.00
June 26	74	54	0.00
June 27	78	53	0.00
June 28	74	58	0.00
June 29	79	57	0.00
June 30	87	57	0.00

July 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	83	57	0.00
July 2	85	59	0.00
July 3	79	57	0.00
July 4	78	58	0.00
July 5	76	60	0.00
July 6	75	60	0.00
July 7	76	56	0.00
July 8	75	60	0.00
July 9	76	60	0.00
July 10	77	59	0.00
July 11	77	58	0.00
July 12	79	60	0.00
July 13	79	59	0.00
July 14	75	58	0.00
July 15	75	59	0.00
July 16	75	58	0.00
July 17	75	58	0.00
July 18	79	51	0.00
July 19	88	68	1.32
July 20	87	67	0.00
July 21	78	63	0.00
July 22	75	63	0.00
July 23	77	58	0.00
July 24	82	54	0.00
July 25	86	56	0.00
July 26	75	57	0.00
July 27	78	56	0.00
July 28	80	58	0.00
July 29	78	59	0.00
July 30	79	60	0.00
July 31	83	61	0.00

August 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)
August 1	78	62
August 2	78	62
August 3	78	60
August 4	77	57
August 5	82	62
August 6	77	60
August 7	77	59
August 8	78	54
August 9	76	58
August 10	76	62
August 11	77	61
August 12	80	55
August 13	82	59
August 14	83	56
August 15	92	56
August 16	90	59
August 17	84	60
August 18	82	61
August 19	79	62
August 20	78	64
August 21	78	63
August 22	78	61
August 23	78	62
August 24	81	57
August 25	85	60
August 26	90	59
August 27	102	60
August 28	97	62
August 29	84	61
August 30	84	61
August 31	79	60

September 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	77	60	0.00
September 2	80	56	0.00
September 3	80	58	0.00
September 4	76	55	0.00
September 5	80	49	0.00
September 6	91	52	0.00
September 7	94	53	0.00
September 8	95	57	0.00
September 9	98	62	0.00
September 10	97	63	0.00
September 11	93	67	0.00
September 12	93	63	0.00
September 13	87	63	0.00
September 14	77	64	0.02
September 15	69	58	0.00
September 16	79	49	0.00
September 17	83	52	0.00
September 18	95	62	0.00
September 19	99	61	0.00
September 20	96	62	0.00
September 21	99	64	0.00
September 22	84	63	0.00
September 23	87	59	0.00
September 24	101	60	0.00
September 25	90	61	0.00
September 26	91	58	0.00
September 27	84	57	0.00
September 28	83	60	0.00
September 29	83	59	0.00
September 30	90	62	0.00

October 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	85	63	0.01
October 2	85	61	0.00
October 3	77	58	0.00
October 4	74	57	0.02
October 5	78	53	0.00
October 6	80	53	0.00
October 7	89	56	0.00
October 8	100	60	0.00
October 9	105	60	0.00
October 10	90	58	0.00
October 11	91	57	0.00
October 12	95	56	0.00
October 13	92	66	0.00
October 14	86	67	0.00
October 15	78	64	0.00
October 16	78	65	0.00
October 17	76	65	0.00
October 18	78	57	0.00
October 19	75	55	0.00
October 20	83	57	0.00
October 21	84	53	0.00
October 22	78	54	0.00
October 23	81	49	0.00
October 24	90	50	0.00
October 25	83	56	0.00
October 26	90	50	0.00
October 27	84	55	0.00
October 28	83	62	0.00
October 29	80	58	0.00
October 30	84	59	0.00
October 31	95	56	0.00

November 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	81	53	0.00
November 2	62	52	0.36
November 3	68	47	0.00
November 4	70	43	0.00
November 5	72	41	0.00
November 6	78	50	0.00
November 7	79	45	0.00
November 8	73	40	0.14
November 9	65	48	0.00
November 10	65	41	0.00
November 11	73	43	0.00
November 12	73	46	0.00
November 13	83	43	0.00
November 14	76	41	0.00
November 15	63	46	0.22
November 16	65	45	0.00
November 17	n/a	n/a	0.00
November 18	74	50	0.00
November 19	81	61	0.00
November 20	86	58	0.00
November 21	88	50	0.00
November 22	85	48	0.00
November 23	72	44	0.00
November 24	64	44	0.06
November 25	60	41	0.04
November 26	61	37	0.00
November 27	64	39	0.00
November 28	65	37	0.00
November 29	69	34	0.00
November 30	68	34	0.00

December 2015 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	74	38	0.00
December 2	75	39	0.00
December 3	70	40	0.08
December 4	68	47	0.00
December 5	72	41	0.00
December 6	70	40	0.00
December 7	80	51	0.00
December 8	78	53	0.00
December 9	79	49	0.00
December 10	62	51	0.05
December 11	60	46	0.38
December 12	64	44	0.00
December 13	60	39	0.20
December 14	60	36	0.00
December 15	59	34	0.00
December 16	63	36	0.00
December 17	69	38	0.00
December 18	65	36	0.00
December 19	60	42	0.36
December 20	61	41	0.00
December 21	59	43	0.14
December 22	63	53	0.32
December 23	63	47	0.00
December 24	59	42	0.14
December 25	57	35	0.00
December 26	62	36	0.00
December 27	59	29	0.00
December 28	57	36	0.01
December 29	60	36	0.00
December 30	65	34	0.00
December 31	63	36	0.00

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Weather Station Details

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