San Luis Obispo Weather in 1973

Historical record of San Luis Obispo, California weather for the year 1973 based on NOAA data.

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1973 San Luis Obispo Weather Extremes
Highest temperature	106 °F	July 26
Lowest temperature	30 °F	January 8
Highest daily low	63 °F	September 28
Lowest daily high	50 °F	January 9
Most daily precipitation	4.3 inches	January 19
Most daily snow	none	-
Total annual precipitation	39.2 inches	-
Total annual snow	none	-

What was the hottest temperature in San Luis Obispo in 1973?

The highest temperature recorded in San Luis Obispo, California in 1973 was 106 °F which happened on July 26.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Luis Obispo in 1973

Rank	Temperature	Date
1	106 °F	Jul 26
2	105 °F	Jun 21
3	100 °F	Jun 20
4	98 °F	Sep 29
4	98 °F	Sep 28
4	98 °F	Jun 22
7	97 °F	Jun 8
8	96 °F	Sep 27
8	96 °F	May 29
10	93 °F	Oct 5

What was the coldest temperature in San Luis Obispo in 1973?

The lowest temperature recorded in San Luis Obispo, California in 1973 was 30 °F which happened on Jan 8.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Luis Obispo in 1973

Rank	Temperature	Date
1	30 °F	January 8
2	31 °F	January 7
3	32 °F	January 3
3	32 °F	January 2
5	35 °F	January 28
5	35 °F	January 24
5	35 °F	January 23
8	36 °F	March 19
8	36 °F	January 29
8	36 °F	January 6

January 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	55	39	0.00
January 2	58	32	0.00
January 3	59	32	0.10
January 4	55	40	0.00
January 5	52	37	0.00
January 6	54	36	0.00
January 7	53	31	0.00
January 8	55	30	0.01
January 9	50	43	1.90
January 10	55	42	0.85
January 11	59	42	0.00
January 12	63	42	0.00
January 13	67	48	0.00
January 14	71	46	0.00
January 15	77	47	0.00
January 16	56	51	0.54
January 17	55	48	2.58
January 18	60	47	2.12
January 19	53	40	4.25
January 20	54	38	0.00
January 21	54	39	0.00
January 22	57	41	0.00
January 23	58	35	0.00
January 24	62	35	0.00
January 25	61	37	0.00
January 26	57	40	0.08
January 27	54	40	0.00
January 28	63	35	0.00
January 29	65	36	0.00
January 30	55	43	1.00
January 31	56	40	0.40

February 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	57	41	0.00
February 2	64	45	0.00
February 3	63	46	0.00
February 4	60	52	0.61
February 5	62	43	0.27
February 6	60	45	0.00
February 7	59	53	0.98
February 8	62	49	0.00
February 9	63	45	0.00
February 10	59	47	1.18
February 11	59	50	1.30
February 12	57	46	0.27
February 13	56	46	1.53
February 14	60	47	0.11
February 15	58	42	0.25
February 16	60	44	0.00
February 17	66	49	0.00
February 18	66	40	0.00
February 19	65	42	0.00
February 20	70	40	0.00
February 21	74	51	0.00
February 22	70	41	0.00
February 23	67	41	0.00
February 24	67	42	1.00
February 25	62	45	0.00
February 26	62	44	0.00
February 27	61	46	0.98
February 28	60	51	1.19

March 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	60	51	0.07
March 2	62	47	0.00
March 3	63	41	0.00
March 4	61	41	0.45
March 5	56	42	0.00
March 6	62	43	0.03
March 7	56	41	0.43
March 8	59	45	0.48
March 9	57	41	0.00
March 10	60	42	0.00
March 11	63	45	0.60
March 12	51	37	0.06
March 13	60	39	0.00
March 14	57	38	0.00
March 15	63	46	0.00
March 16	68	38	0.00
March 17	61	40	0.00
March 18	60	38	0.00
March 19	61	36	0.00
March 20	60	38	2.33
March 21	53	37	0.00
March 22	53	37	0.49
March 23	56	40	0.00
March 24	65	40	0.00
March 25	56	41	0.00
March 26	59	38	0.00
March 27	55	42	0.00
March 28	58	38	0.00
March 29	57	38	0.00
March 30	59	43	0.00
March 31	61	46	0.00

April 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)
April 1	61	42
April 2	60	41
April 3	65	42
April 4	72	45
April 5	77	45
April 6	76	46
April 7	64	44
April 8	79	45
April 9	75	47
April 10	74	47
April 11	72	47
April 12	75	47
April 13	63	49
April 14	62	42
April 15	63	46
April 16	61	44
April 17	72	46
April 18	64	43
April 19	62	45
April 20	62	39
April 21	67	47
April 22	75	45
April 23	80	45
April 24	60	45
April 25	66	46
April 26	68	48
April 27	70	48
April 28	65	47
April 29	59	47
April 30	57	43

May 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	63	48	0.00
May 2	65	45	0.00
May 3	78	45	0.00
May 4	69	48	0.00
May 5	63	40	0.00
May 6	61	43	0.00
May 7	65	45	0.00
May 8	72	49	0.00
May 9	76	50	0.00
May 10	82	48	0.00
May 11	92	49	0.00
May 12	69	49	0.00
May 13	61	51	0.00
May 14	70	51	0.00
May 15	60	50	0.00
May 16	71	51	0.00
May 17	75	50	0.00
May 18	76	50	0.00
May 19	73	51	0.00
May 20	67	51	0.00
May 21	67	49	0.00
May 22	66	50	0.00
May 23	69	50	0.00
May 24	67	50	0.00
May 25	69	52	0.00
May 26	64	45	0.00
May 27	70	46	0.00
May 28	90	60	0.00
May 29	96	60	0.00
May 30	84	52	0.00
May 31	70	53	0.02

June 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)
June 1	58	53
June 2	67	49
June 3	67	51
June 4	68	52
June 5	70	51
June 6	80	51
June 7	83	52
June 8	97	58
June 9	92	56
June 10	79	53
June 11	72	53
June 12	68	47
June 13	74	50
June 14	68	47
June 15	65	45
June 16	65	47
June 17	69	49
June 18	75	52
June 19	90	56
June 20	100	58
June 21	105	63
June 22	98	51
June 23	80	50
June 24	78	50
June 25	81	52
June 26	92	56
June 27	81	52
June 28	82	53
June 29	80	53
June 30	75	49

July 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)
July 1	78	44
July 2	70	48
July 3	76	50
July 4	86	49
July 5	91	51
July 6	81	49
July 7	78	48
July 8	73	49
July 9	79	49
July 10	81	50
July 11	80	52
July 12	71	49
July 13	75	52
July 14	75	54
July 15	71	56
July 16	70	53
July 17	71	55
July 18	70	54
July 19	68	54
July 20	67	54
July 21	68	51
July 22	75	50
July 23	75	47
July 24	75	50
July 25	85	60
July 26	106	58
July 27	85	58
July 28	78	56
July 29	77	55
July 30	78	55
July 31	76	54

August 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)
August 1	84	53
August 2	83	52
August 3	78	52
August 4	82	52
August 5	80	55
August 6	77	57
August 7	72	55
August 8	72	54
August 9	72	54
August 10	71	51
August 11	73	51
August 12	77	52
August 13	82	53
August 14	79	52
August 15	80	53
August 16	82	54
August 17	89	54
August 18	82	51
August 19	78	51
August 20	88	50
August 21	86	51
August 22	75	46
August 23	73	49
August 24	79	54
August 25	73	50
August 26	73	49
August 27	73	46
August 28	70	47
August 29	79	49
August 30	78	50
August 31	75	52

September 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	73	52	0.00
September 2	73	48	0.00
September 3	75	48	0.00
September 4	72	53	0.00
September 5	64	54	0.07
September 6	69	52	0.00
September 7	90	59	0.00
September 8	90	51	0.00
September 9	78	52	0.00
September 10	75	52	0.00
September 11	67	52	0.00
September 12	76	52	0.00
September 13	75	53	0.00
September 14	69	54	0.00
September 15	72	53	0.00
September 16	68	53	0.00
September 17	67	47	0.00
September 18	70	50	0.00
September 19	77	53	0.00
September 20	75	54	0.00
September 21	75	55	0.00
September 22	80	50	0.00
September 23	73	52	0.00
September 24	71	55	0.00
September 25	73	51	0.00
September 26	85	53	0.00
September 27	96	62	0.00
September 28	98	63	0.00
September 29	98	48	0.00
September 30	78	48	0.00

October 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	72	51	0.00
October 2	67	48	0.00
October 3	66	46	0.00
October 4	80	51	0.00
October 5	93	47	0.00
October 6	70	49	0.00
October 7	65	50	0.00
October 8	60	50	0.87
October 9	65	48	0.02
October 10	73	51	0.00
October 11	75	43	0.00
October 12	75	43	0.00
October 13	80	45	0.00
October 14	86	46	0.00
October 15	84	46	0.00
October 16	68	46	0.00
October 17	87	43	0.00
October 18	75	42	0.00
October 19	82	45	0.00
October 20	85	48	0.00
October 21	76	52	0.10
October 22	71	56	0.00
October 23	66	55	1.19
October 24	65	50	0.00
October 25	72	51	0.00
October 26	75	52	0.00
October 27	75	57	0.00
October 28	88	50	0.00
October 29	87	52	0.00
October 30	77	51	0.00
October 31	86	53	0.00

November 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	84	49	0.00
November 2	67	49	0.00
November 3	65	42	0.00
November 4	62	44	0.00
November 5	65	38	0.00
November 6	63	38	0.00
November 7	69	39	0.00
November 8	75	43	0.00
November 9	67	43	0.00
November 10	73	45	0.02
November 11	81	53	0.00
November 12	80	53	1.15
November 13	64	45	0.00
November 14	63	44	0.22
November 15	64	46	0.00
November 16	64	46	0.00
November 17	60	51	0.73
November 18	62	45	1.39
November 19	57	42	0.00
November 20	57	41	0.00
November 21	60	42	0.00
November 22	57	40	0.00
November 23	52	42	0.00
November 24	56	41	0.00
November 25	59	41	0.00
November 26	59	43	0.04
November 27	63	41	0.00
November 28	65	40	0.00
November 29	70	40	0.00
November 30	68	42	0.00

December 1973 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	61	49	1.46
December 2	57	43	0.05
December 3	57	44	0.00
December 4	57	44	0.00
December 5	58	37	0.00
December 6	65	38	0.00
December 7	69	38	0.00
December 8	68	48	0.00
December 9	69	50	0.00
December 10	72	44	0.00
December 11	72	41	0.00
December 12	59	41	0.00
December 13	62	42	0.00
December 14	53	47	0.15
December 15	61	48	0.00
December 16	71	43	0.00
December 17	72	41	0.00
December 18	65	41	0.00
December 19	65	40	0.00
December 20	73	39	0.00
December 21	70	41	0.00
December 22	56	40	1.36
December 23	57	40	0.00
December 24	62	46	0.00
December 25	60	40	0.00
December 26	62	47	0.00
December 27	60	47	0.70
December 28	57	50	1.18
December 29	65	48	0.00
December 30	61	45	0.00
December 31	58	44	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