San Luis Obispo Weather in 1998

Historical record of San Luis Obispo, California weather for the year 1998 based on NOAA data.

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1998 San Luis Obispo Weather Extremes
Highest temperature	104 °F	July 16
Lowest temperature	20 °F	December 24
Highest daily low	66 °F	September 5
Lowest daily high	47 °F	December 21
Most daily precipitation	2.3 inches	March 25
Most daily snow	none	-
Total annual precipitation	35.9 inches	-
Total annual snow	none	-

What was the hottest temperature in San Luis Obispo in 1998?

The highest temperature recorded in San Luis Obispo, California in 1998 was 104 °F which happened on July 16.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Luis Obispo in 1998

Rank	Temperature	Date
1	104 °F	Jul 16
2	103 °F	Jul 17
3	95 °F	Aug 6
3	95 °F	Aug 5
3	95 °F	Aug 4
6	94 °F	Aug 13
6	94 °F	Aug 12
8	93 °F	Jul 19
9	92 °F	Oct 7
9	92 °F	Sep 4

What was the coldest temperature in San Luis Obispo in 1998?

The lowest temperature recorded in San Luis Obispo, California in 1998 was 20 °F which happened on Dec 24.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Luis Obispo in 1998

Rank	Temperature	Date
1	20 °F	December 24
2	28 °F	December 23
3	30 °F	December 21
3	30 °F	November 16
5	34 °F	December 22
5	34 °F	December 20
5	34 °F	December 11
8	35 °F	December 10
8	35 °F	March 29
10	36 °F	March 30

January 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	76	41	0.00
January 2	70	42	0.00
January 3	58	45	0.52
January 4	62	45	0.90
January 5	57	42	0.36
January 6	57	40	0.00
January 7	59	39	0.02
January 8	65	46	0.00
January 9	63	48	0.03
January 10	61	49	0.53
January 11	61	45	0.26
January 12	63	45	0.14
January 13	59	42	0.60
January 14	61	44	0.03
January 15	60	44	0.24
January 16	61	54	1.07
January 17	67	53	0.02
January 18	70	48	0.00
January 19	65	41	1.00
January 20	58	41	0.00
January 21	59	42	0.00
January 22	58	43	0.00
January 23	58	42	0.00
January 24	62	39	0.00
January 25	68	38	0.00
January 26	69	37	0.00
January 27	65	42	0.00
January 28	68	46	0.00
January 29	65	47	0.95
January 30	62	44	0.12
January 31	68	43	0.07

February 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	61	46	0.06
February 2	58	51	1.95
February 3	61	54	1.33
February 4	57	43	0.58
February 5	61	44	0.02
February 6	61	50	0.73
February 7	59	45	0.95
February 8	59	44	2.05
February 9	57	43	0.61
February 10	60	42	0.00
February 11	60	41	0.06
February 12	62	n/a	0.00
February 13	n/a	n/a	n/a
February 14	65	49	n/a
February 15	59	44	1.62
February 16	59	38	0.00
February 17	54	37	0.99
February 18	60	41	0.02
February 19	63	45	0.01
February 20	57	38	1.32
February 21	58	38	0.00
February 22	58	43	1.21
February 23	61	49	0.43
February 24	58	42	0.43
February 25	59	42	0.00
February 26	62	46	0.00
February 27	61	44	0.00
February 28	64	48	0.00

March 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	68	46	0.00
March 2	66	46	0.00
March 3	68	48	0.00
March 4	63	45	0.00
March 5	65	39	0.00
March 6	60	38	0.44
March 7	58	42	0.00
March 8	65	44	0.00
March 9	67	47	0.00
March 10	n/a	n/a	0.00
March 11	76	48	0.00
March 12	79	45	0.00
March 13	68	47	0.28
March 14	68	49	0.00
March 15	66	49	0.00
March 16	67	50	0.00
March 17	66	50	0.10
March 18	65	51	0.00
March 19	65	50	0.00
March 20	62	48	0.00
March 21	68	48	0.00
March 22	68	46	0.00
March 23	73	44	0.00
March 24	72	45	0.00
March 25	65	53	2.28
March 26	65	44	0.02
March 27	61	45	0.00
March 28	60	41	0.57
March 29	53	35	0.08
March 30	57	36	0.00
March 31	62	40	0.02

April 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	53	39	1.24
April 2	58	38	0.40
April 3	61	39	0.12
April 4	58	42	0.50
April 5	62	40	0.00
April 6	63	40	0.00
April 7	60	44	0.07
April 8	60	44	0.01
April 9	64	41	0.00
April 10	67	44	0.00
April 11	68	42	0.00
April 12	53	37	0.54
April 13	58	37	0.33
April 14	58	37	0.07
April 15	59	40	0.17
April 16	61	42	0.00
April 17	68	45	0.00
April 18	73	48	0.00
April 19	74	50	0.00
April 20	76	49	0.00
April 21	82	54	0.00
April 22	87	52	0.00
April 23	68	51	0.08
April 24	65	52	0.05
April 25	65	45	0.00
April 26	69	48	0.00
April 27	75	48	0.00
April 28	75	46	0.00
April 29	81	47	0.00
April 30	80	49	0.00

May 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	71	51	0.00
May 2	68	56	0.35
May 3	68	53	0.20
May 4	75	53	0.22
May 5	74	53	1.15
May 6	68	49	0.10
May 7	68	50	0.00
May 8	67	50	0.00
May 9	63	52	0.00
May 10	65	42	0.00
May 11	64	44	0.00
May 12	60	46	0.10
May 13	55	47	0.68
May 14	63	47	0.00
May 15	64	44	0.00
May 16	61	44	0.00
May 17	64	45	0.00
May 18	72	50	0.00
May 19	75	47	0.00
May 20	68	46	0.00
May 21	70	47	0.00
May 22	71	48	0.00
May 23	72	47	0.00
May 24	69	48	0.00
May 25	70	50	0.00
May 26	67	42	0.00
May 27	65	42	0.00
May 28	74	42	0.00
May 29	67	44	0.61
May 30	65	44	0.00
May 31	77	49	0.00

June 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	72	50	0.00
June 2	70	50	0.00
June 3	68	50	0.00
June 4	65	48	0.05
June 5	70	49	0.00
June 6	68	50	0.00
June 7	65	50	0.00
June 8	67	53	0.00
June 9	69	53	0.00
June 10	71	54	0.00
June 11	68	54	0.00
June 12	67	52	0.00
June 13	77	50	0.00
June 14	71	50	0.00
June 15	85	49	0.00
June 16	81	49	0.00
June 17	71	55	0.00
June 18	75	52	0.00
June 19	71	n/a	0.00
June 20	66	52	0.00
June 21	68	51	0.00
June 22	72	55	0.00
June 23	71	55	0.00
June 24	71	55	0.00
June 25	71	55	0.00
June 26	73	51	0.00
June 27	73	49	0.00
June 28	76	49	0.00
June 29	76	53	0.00
June 30	75	51	0.00

July 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)
July 1	76	50
July 2	75	50
July 3	74	51
July 4	72	54
July 5	73	54
July 6	75	50
July 7	80	52
July 8	83	53
July 9	83	54
July 10	75	55
July 11	76	53
July 12	74	n/a
July 13	87	52
July 14	81	52
July 15	86	53
July 16	104	n/a
July 17	103	55
July 18	88	55
July 19	93	n/a
July 20	86	54
July 21	79	58
July 22	78	57
July 23	78	58
July 24	72	57
July 25	75	59
July 26	83	58
July 27	80	57
July 28	80	56
July 29	80	55
July 30	80	53
July 31	73	n/a

August 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)
August 1	78	n/a
August 2	87	55
August 3	88	55
August 4	95	57
August 5	95	58
August 6	95	59
August 7	83	59
August 8	84	56
August 9	80	56
August 10	89	55
August 11	91	55
August 12	94	58
August 13	94	59
August 14	84	58
August 15	90	59
August 16	84	59
August 17	84	58
August 18	84	56
August 19	84	56
August 20	84	52
August 21	77	53
August 22	79	54
August 23	87	54
August 24	90	51
August 25	83	53
August 26	83	55
August 27	83	55
August 28	83	54
August 29	83	54
August 30	88	57
August 31	91	55

September 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	90	55	0.00
September 2	90	55	0.00
September 3	91	n/a	0.00
September 4	92	n/a	0.00
September 5	80	66	0.32
September 6	85	61	0.00
September 7	89	60	0.00
September 8	89	61	0.00
September 9	89	57	0.00
September 10	89	53	0.00
September 11	85	n/a	0.00
September 12	84	55	0.00
September 13	82	56	0.00
September 14	83	51	0.00
September 15	83	57	0.00
September 16	83	58	0.00
September 17	83	57	0.00
September 18	79	n/a	0.00
September 19	87	64	0.00
September 20	89	50	0.00
September 21	75	54	0.00
September 22	71	51	0.00
September 23	71	50	0.00
September 24	75	50	0.00
September 25	72	54	0.00
September 26	70	55	0.00
September 27	67	45	0.03
September 28	75	44	0.00
September 29	73	50	0.00
September 30	68	50	0.00

October 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	74	55	0.00
October 2	69	55	0.00
October 3	75	51	0.00
October 4	72	52	0.00
October 5	79	52	0.00
October 6	88	50	0.00
October 7	92	48	0.00
October 8	85	46	0.00
October 9	78	50	0.00
October 10	76	53	0.00
October 11	80	52	0.00
October 12	79	47	0.00
October 13	78	47	0.00
October 14	80	49	0.00
October 15	69	45	0.00
October 16	73	46	0.00
October 17	76	49	0.00
October 18	82	50	0.00
October 19	84	47	0.00
October 20	87	49	0.00
October 21	90	55	0.00
October 22	82	54	0.00
October 23	75	48	0.00
October 24	76	47	0.00
October 25	68	48	0.37
October 26	69	45	0.00
October 27	73	45	0.00
October 28	70	44	0.00
October 29	69	46	0.00
October 30	69	43	0.00
October 31	71	42	0.00

November 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	77	48	0.00
November 2	n/a	n/a	0.00
November 3	74	50	0.00
November 4	74	48	0.00
November 5	74	40	0.00
November 6	70	49	0.00
November 7	66	45	0.02
November 8	60	47	0.71
November 9	62	46	0.00
November 10	65	39	0.00
November 11	69	39	0.10
November 12	69	49	0.02
November 13	70	42	0.00
November 14	78	39	0.00
November 15	75	39	0.00
November 16	73	30	0.00
November 17	70	49	0.21
November 18	64	47	0.00
November 19	67	47	0.00
November 20	70	47	0.00
November 21	74	37	0.00
November 22	75	44	0.00
November 23	75	45	0.00
November 24	65	46	0.14
November 25	66	44	0.00
November 26	76	39	0.00
November 27	73	n/a	0.00
November 28	59	49	0.31
November 29	55	45	0.20
November 30	60	45	0.17

December 1998 San Luis Obispo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	62	49	0.68
December 2	62	45	0.02
December 3	64	43	0.00
December 4	57	37	0.23
December 5	52	37	0.00
December 6	55	41	0.27
December 7	57	37	0.00
December 8	60	41	0.00
December 9	63	43	0.00
December 10	61	35	0.00
December 11	68	34	0.00
December 12	70	37	0.00
December 13	76	40	0.00
December 14	68	40	0.02
December 15	76	43	0.00
December 16	68	40	0.00
December 17	78	45	0.00
December 18	82	41	0.00
December 19	56	42	0.00
December 20	56	34	0.00
December 21	47	30	0.00
December 22	48	34	0.00
December 23	48	28	0.00
December 24	55	20	0.00
December 25	61	42	0.00
December 26	70	44	0.00
December 27	67	50	0.00
December 28	73	43	0.00
December 29	75	47	0.00
December 30	69	50	0.00
December 31	75	47	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