San Luis Obispo Weather in 2018

2018 San Luis Obispo Weather Extremes
Highest temperature	102 °F	July 6
Lowest temperature	31 °F	February 28
Highest daily low	65 °F	July 9
Lowest daily high	57 °F	March 16
Most daily precipitation	2.1 inches	March 21
Total annual precipitation	12.5 inches	-

Rank	Temperature	Date
1	102 °F	Jul 6
2	98 °F	Jul 9
3	97 °F	Jul 8
3	97 °F	Jul 7
5	96 °F	Aug 6
6	93 °F	Oct 19
7	92 °F	Aug 10
7	92 °F	Aug 9
7	92 °F	Jul 25
10	91 °F	Nov 2
10	91 °F	Oct 20
10	91 °F	Apr 9

Rank	Temperature	Date
1	31 °F	February 28
1	31 °F	February 23
3	32 °F	February 21
4	33 °F	December 29
4	33 °F	February 27
4	33 °F	February 22
7	34 °F	March 4
8	35 °F	December 31
8	35 °F	November 11
8	35 °F	February 19
8	35 °F	January 24
8	35 °F	January 22

January 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	72	38	0.00
January 2	73	45	0.00
January 3	70	42	0.03
January 4	67	54	0.44
January 5	72	56	0.00
January 6	67	53	0.00
January 7	72	50	0.00
January 8	69	56	0.48
January 9	64	53	1.36
January 10	65	48	0.00
January 11	75	46	0.00
January 12	77	50	0.00
January 13	82	44	0.00
January 14	81	45	0.00
January 15	71	45	0.00
January 16	67	50	0.00
January 17	72	46	0.00
January 18	68	46	0.01
January 19	61	46	0.01
January 20	60	43	0.00
January 21	64	36	0.00
January 22	66	35	0.00
January 23	73	43	0.00
January 24	70	35	0.00
January 25	61	45	0.10
January 26	64	40	0.00
January 27	68	43	0.00
January 28	87	47	0.00
January 29	87	51	0.00
January 30	78	46	0.00
January 31	86	42	0.00

February 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	83	50	0.00
February 2	85	52	0.00
February 3	86	45	0.00
February 4	85	45	0.00
February 5	87	45	0.00
February 6	85	52	0.00
February 7	79	45	0.00
February 8	89	45	0.00
February 9	88	50	0.00
February 10	74	43	0.00
February 11	69	41	0.00
February 12	61	39	0.00
February 13	61	40	0.00
February 14	70	42	0.00
February 15	70	42	0.00
February 16	77	43	0.00
February 17	75	41	0.00
February 18	64	36	0.00
February 19	57	35	0.00
February 20	59	36	0.00
February 21	60	32	0.00
February 22	58	33	0.04
February 23	59	31	0.00
February 24	62	36	0.00
February 25	69	40	0.00
February 26	58	38	0.11
February 27	57	33	0.00
February 28	63	31	0.00

March 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	58	48	0.33
March 2	57	50	0.32
March 3	58	40	0.10
March 4	63	34	0.00
March 5	71	41	0.00
March 6	76	41	0.00
March 7	75	44	0.00
March 8	75	42	0.02
March 9	67	52	0.00
March 10	63	51	0.32
March 11	72	45	0.00
March 12	72	48	0.09
March 13	62	54	0.32
March 14	60	48	0.04
March 15	60	43	0.02
March 16	57	43	0.55
March 17	58	37	0.02
March 18	64	37	0.00
March 19	70	37	0.00
March 20	63	48	0.28
March 21	62	54	2.07
March 22	62	50	1.46
March 23	64	43	0.00
March 24	62	43	0.00
March 25	61	38	0.00
March 26	63	43	0.00
March 27	69	41	0.00
March 28	73	43	0.00
March 29	81	44	0.00
March 30	74	46	0.00
March 31	72	49	0.00

April 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	70	50	0.00
April 2	68	49	0.00
April 3	66	48	0.00
April 4	68	51	0.00
April 5	70	47	0.00
April 6	69	51	0.00
April 7	66	54	0.09
April 8	75	53	0.00
April 9	91	56	0.00
April 10	75	52	0.00
April 11	76	52	0.00
April 12	62	47	0.00
April 13	73	48	0.00
April 14	83	47	0.00
April 15	70	51	0.01
April 16	61	43	0.04
April 17	67	38	0.00
April 18	65	41	0.00
April 19	62	45	0.06
April 20	70	41	0.00
April 21	80	46	0.00
April 22	79	48	0.00
April 23	73	49	0.00
April 24	68	49	0.00
April 25	66	50	0.00
April 26	67	51	0.00
April 27	66	46	0.00
April 28	67	51	0.00
April 29	66	49	0.00
April 30	66	46	0.00

May 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	65	43	0.00
May 2	66	n/a	0.00
May 3	65	44	0.00
May 4	79	50	0.00
May 5	71	50	0.00
May 6	70	51	0.00
May 7	84	48	0.00
May 8	79	50	0.00
May 9	74	50	0.00
May 10	66	48	0.00
May 11	61	46	0.00
May 12	69	53	0.00
May 13	67	50	0.00
May 14	69	46	0.00
May 15	69	50	0.00
May 16	69	46	0.00
May 17	70	50	0.00
May 18	68	53	0.00
May 19	69	54	0.00
May 20	67	52	0.00
May 21	65	53	0.00
May 22	69	54	0.00
May 23	69	53	0.00
May 24	62	53	0.00
May 25	67	50	0.02
May 26	67	54	0.00
May 27	71	50	0.00
May 28	76	52	0.00
May 29	72	52	0.00
May 30	67	54	0.00
May 31	69	48	0.00

June 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	79	46	0.00
June 2	86	51	0.00
June 3	79	52	0.00
June 4	n/a	n/a	0.00
June 5	74	48	0.00
June 6	68	52	0.00
June 7	73	49	0.00
June 8	83	50	0.00
June 9	74	50	0.00
June 10	77	52	0.00
June 11	78	50	0.00
June 12	84	48	0.00
June 13	83	50	0.00
June 14	76	51	0.00
June 15	72	51	0.00
June 16	64	54	0.00
June 17	69	52	0.00
June 18	71	46	0.00
June 19	74	52	0.00
June 20	74	50	0.00
June 21	78	49	0.00
June 22	81	49	0.00
June 23	73	51	0.00
June 24	73	60	0.00
June 25	71	57	0.00
June 26	73	54	0.00
June 27	71	53	0.00
June 28	74	53	0.00
June 29	74	50	0.00
June 30	75	54	0.00

July 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	76	55	0.00
July 2	74	55	0.00
July 3	69	58	0.00
July 4	73	55	0.00
July 5	82	53	0.00
July 6	102	59	0.00
July 7	97	62	0.00
July 8	97	60	0.00
July 9	98	65	0.00
July 10	90	60	0.00
July 11	81	54	0.00
July 12	82	55	0.00
July 13	78	56	0.00
July 14	75	57	0.00
July 15	74	56	0.00
July 16	76	57	0.00
July 17	78	56	0.00
July 18	83	57	0.00
July 19	86	56	0.00
July 20	85	59	0.00
July 21	82	60	0.00
July 22	78	59	0.00
July 23	78	57	0.00
July 24	83	56	0.00
July 25	92	55	0.00
July 26	77	53	0.00
July 27	79	53	0.00
July 28	80	52	0.00
July 29	85	54	0.00
July 30	85	53	0.00
July 31	87	53	0.00

August 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	83	54	0.00
August 2	80	54	0.00
August 3	81	52	0.00
August 4	90	50	0.00
August 5	85	56	0.00
August 6	96	56	0.00
August 7	79	52	0.00
August 8	87	49	0.00
August 9	92	53	0.00
August 10	92	55	0.00
August 11	88	55	0.00
August 12	83	55	0.00
August 13	80	58	0.00
August 14	78	58	0.00
August 15	82	57	0.00
August 16	87	59	0.00
August 17	83	58	0.00
August 18	79	58	0.00
August 19	75	57	0.00
August 20	78	58	0.00
August 21	76	59	0.00
August 22	77	60	0.00
August 23	75	60	0.00
August 24	73	56	0.00
August 25	75	59	0.00
August 26	75	57	0.00
August 27	71	58	0.00
August 28	73	57	0.00
August 29	75	53	0.00
August 30	76	53	0.00
August 31	79	56	0.00

September 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	74	54	0.00
September 2	74	54	0.00
September 3	74	58	0.00
September 4	73	57	0.00
September 5	75	58	0.00
September 6	76	58	0.00
September 7	81	55	0.00
September 8	82	53	0.00
September 9	81	53	0.00
September 10	80	49	0.00
September 11	79	50	0.00
September 12	78	49	0.00
September 13	78	45	0.00
September 14	77	47	0.00
September 15	77	48	0.00
September 16	82	48	0.00
September 17	76	48	0.00
September 18	71	45	0.00
September 19	72	50	0.00
September 20	89	50	0.00
September 21	77	54	0.00
September 22	75	53	0.00
September 23	79	51	0.00
September 24	72	50	0.00
September 25	71	53	0.00
September 26	75	50	0.00
September 27	74	53	0.00
September 28	73	54	0.00
September 29	72	52	0.00
September 30	79	48	0.00

October 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	85	50	0.00
October 2	77	51	0.00
October 3	73	62	0.50
October 4	75	60	0.00
October 5	79	56	0.00
October 6	78	55	0.00
October 7	83	47	0.00
October 8	76	48	0.00
October 9	72	51	0.00
October 10	68	58	0.00
October 11	70	51	0.00
October 12	89	50	0.00
October 13	74	51	0.00
October 14	72	51	0.00
October 15	79	47	0.00
October 16	82	45	0.00
October 17	81	48	0.00
October 18	78	49	0.00
October 19	93	44	0.00
October 20	91	46	0.00
October 21	73	45	0.00
October 22	70	49	0.00
October 23	75	48	0.00
October 24	81	48	0.00
October 25	86	49	0.00
October 26	89	50	0.00
October 27	83	47	0.00
October 28	84	49	0.00
October 29	81	56	0.00
October 30	80	54	0.00
October 31	83	52	0.00

November 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	88	52	0.00
November 2	91	51	0.00
November 3	90	54	0.00
November 4	81	49	0.00
November 5	86	44	0.00
November 6	78	44	0.00
November 7	82	37	0.00
November 8	81	41	0.00
November 9	84	44	0.00
November 10	75	36	0.00
November 11	76	35	0.00
November 12	78	36	0.00
November 13	75	37	0.00
November 14	82	41	0.00
November 15	79	40	0.00
November 16	75	41	0.00
November 17	66	46	0.00
November 18	71	47	0.00
November 19	67	43	0.00
November 20	72	42	0.00
November 21	69	48	0.56
November 22	65	48	0.00
November 23	62	44	0.03
November 24	68	56	0.00
November 25	74	49	0.00
November 26	77	45	0.00
November 27	67	48	0.00
November 28	62	53	0.71
November 29	63	53	1.14
November 30	62	47	0.00

December 2018 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	61	41	0.06
December 2	61	39	0.00
December 3	63	42	0.00
December 4	60	43	0.03
December 5	64	52	0.07
December 6	61	45	0.00
December 7	70	41	0.00
December 8	70	43	0.00
December 9	69	40	0.00
December 10	68	44	0.00
December 11	67	46	0.00
December 12	67	44	0.00
December 13	71	41	0.00
December 14	62	44	0.00
December 15	66	36	0.00
December 16	64	43	0.23
December 17	65	48	0.20
December 18	66	45	0.00
December 19	73	46	0.00
December 20	67	41	0.00
December 21	67	49	0.00
December 22	68	45	0.00
December 23	65	43	0.00
December 24	65	44	0.05
December 25	61	46	0.20
December 26	62	41	0.00
December 27	62	39	0.00
December 28	59	36	0.00
December 29	62	33	0.00
December 30	65	36	0.00
December 31	58	35	0.00