San Francisco Weather in 1999

Historical record of San Francisco, California weather for the year 1999 based on NOAA data.

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1999 San Francisco Weather Extremes
Highest temperature	92 °F	September 28
Lowest temperature	37 °F	January 10
Highest daily low	62 °F	October 10
Lowest daily high	49 °F	January 10
Most daily precipitation	1.7 inches	February 16
Total annual precipitation	21.4 inches	-

What was the hottest temperature in San Francisco in 1999?

The highest temperature recorded in San Francisco, California in 1999 was 92 °F which happened on September 28.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Francisco in 1999

Rank	Temperature	Date
1	92 °F	Sep 28
2	91 °F	Sep 29
3	89 °F	Sep 27
4	87 °F	Oct 10
4	87 °F	Sep 26
6	84 °F	Oct 16
6	84 °F	Oct 9
6	84 °F	Oct 8
9	83 °F	Apr 16
9	83 °F	Apr 15
9	83 °F	Apr 14

What was the coldest temperature in San Francisco in 1999?

The lowest temperature recorded in San Francisco, California in 1999 was 37 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Francisco in 1999

Rank	Temperature	Date
1	37 °F	January 10
1	37 °F	January 6
3	38 °F	January 11
3	38 °F	January 8
5	39 °F	January 9
6	40 °F	April 9
6	40 °F	January 24
6	40 °F	January 7
9	41 °F	December 10
9	41 °F	February 11
9	41 °F	February 10
9	41 °F	February 2
9	41 °F	February 1
9	41 °F	January 27

January 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	61	44	0.00
January 2	64	45	0.00
January 3	65	48	0.00
January 4	56	42	0.00
January 5	55	42	0.00
January 6	50	37	0.00
January 7	51	40	0.00
January 8	61	38	0.00
January 9	52	39	0.00
January 10	49	37	0.00
January 11	54	38	0.00
January 12	56	44	0.00
January 13	57	47	0.00
January 14	56	44	0.06
January 15	60	49	0.39
January 16	57	51	0.05
January 17	58	51	0.21
January 18	57	53	0.89
January 19	60	53	0.66
January 20	56	53	0.30
January 21	57	49	0.00
January 22	57	50	0.19
January 23	52	43	0.31
January 24	54	40	0.00
January 25	55	47	0.00
January 26	50	43	0.41
January 27	60	41	0.00
January 28	56	42	0.00
January 29	58	44	0.00
January 30	60	44	0.03
January 31	54	45	0.91

February 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	57	41	0.00
February 2	61	41	0.00
February 3	59	46	0.00
February 4	58	47	0.00
February 5	55	43	0.00
February 6	54	48	1.09
February 7	56	51	1.17
February 8	58	51	0.42
February 9	58	42	0.56
February 10	53	41	0.00
February 11	56	41	0.00
February 12	57	44	0.00
February 13	58	45	0.19
February 14	54	45	0.00
February 15	56	44	0.00
February 16	56	45	1.67
February 17	63	51	0.19
February 18	57	48	0.21
February 19	61	45	0.00
February 20	51	47	0.76
February 21	54	44	0.10
February 22	58	47	0.07
February 23	63	46	0.00
February 24	58	44	0.47
February 25	56	46	0.36
February 26	55	44	0.00
February 27	63	47	0.00
February 28	60	52	0.09

March 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	61	49	0.00
March 2	63	47	0.06
March 3	55	47	0.03
March 4	54	44	0.00
March 5	60	42	0.00
March 6	54	45	0.00
March 7	55	42	0.00
March 8	52	44	0.34
March 9	51	44	0.09
March 10	52	43	0.00
March 11	57	44	0.00
March 12	56	44	0.00
March 13	57	43	0.00
March 14	53	44	0.33
March 15	55	44	0.05
March 16	58	47	0.00
March 17	54	47	0.00
March 18	60	47	0.00
March 19	57	50	0.08
March 20	61	46	0.01
March 21	60	49	0.03
March 22	56	48	0.15
March 23	56	46	0.16
March 24	57	50	0.64
March 25	65	49	0.15
March 26	58	48	0.00
March 27	57	46	0.00
March 28	59	45	0.00
March 29	58	46	0.00
March 30	55	43	0.20
March 31	52	42	0.02

April 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	57	42	0.00
April 2	63	45	0.00
April 3	54	47	0.00
April 4	57	43	0.00
April 5	53	43	0.54
April 6	57	42	0.42
April 7	55	47	0.00
April 8	50	43	0.60
April 9	54	40	0.00
April 10	53	44	0.12
April 11	58	46	0.94
April 12	58	48	0.00
April 13	62	49	0.00
April 14	83	49	0.00
April 15	83	57	0.00
April 16	83	60	0.00
April 17	67	54	0.00
April 18	62	50	0.00
April 19	63	48	0.00
April 20	60	49	0.00
April 21	58	48	0.00
April 22	72	48	0.00
April 23	78	60	0.00
April 24	64	52	0.00
April 25	57	50	0.00
April 26	57	49	0.00
April 27	54	46	0.00
April 28	58	44	0.00
April 29	62	49	0.00
April 30	61	48	0.00

May 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	56	48	0.00
May 2	55	47	0.06
May 3	56	48	0.17
May 4	59	46	0.00
May 5	69	47	0.00
May 6	58	48	0.00
May 7	60	47	0.00
May 8	60	46	0.00
May 9	59	46	0.00
May 10	60	46	0.00
May 11	63	49	0.00
May 12	59	48	0.00
May 13	59	47	0.00
May 14	56	46	0.00
May 15	61	44	0.00
May 16	60	46	0.00
May 17	58	47	0.00
May 18	60	49	0.00
May 19	58	49	0.00
May 20	58	48	0.00
May 21	66	48	0.00
May 22	66	51	0.00
May 23	64	51	0.00
May 24	59	50	0.00
May 25	62	49	0.00
May 26	59	50	0.00
May 27	56	49	0.00
May 28	56	48	0.00
May 29	54	48	0.00
May 30	60	49	0.00
May 31	60	51	0.00

June 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	57	50	0.05
June 2	56	49	0.00
June 3	62	48	0.06
June 4	60	50	0.00
June 5	62	49	0.00
June 6	61	49	0.00
June 7	60	47	0.00
June 8	61	48	0.00
June 9	58	48	0.00
June 10	65	48	0.00
June 11	57	50	0.00
June 12	60	48	0.00
June 13	61	52	0.00
June 14	61	51	0.00
June 15	60	51	0.01
June 16	60	50	0.00
June 17	61	50	0.00
June 18	62	50	0.00
June 19	60	50	0.00
June 20	65	50	0.00
June 21	63	51	0.00
June 22	60	52	0.00
June 23	61	51	0.00
June 24	58	51	0.00
June 25	63	50	0.00
June 26	66	49	0.00
June 27	72	50	0.00
June 28	74	53	0.00
June 29	74	55	0.00
June 30	77	55	0.00

July 1999 San Francisco Weather

Day	High (°F)	Low (°F)
July 1	69	53
July 2	62	51
July 3	61	50
July 4	67	48
July 5	66	50
July 6	61	50
July 7	69	50
July 8	67	52
July 9	67	50
July 10	68	50
July 11	77	53
July 12	79	59
July 13	71	53
July 14	62	53
July 15	60	53
July 16	60	53
July 17	62	53
July 18	61	52
July 19	63	54
July 20	64	56
July 21	63	56
July 22	62	54
July 23	65	54
July 24	64	54
July 25	61	53
July 26	62	53
July 27	61	53
July 28	62	54
July 29	64	56
July 30	61	53
July 31	60	53

August 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	63	54	0.00
August 2	64	55	0.00
August 3	63	55	0.00
August 4	62	54	0.00
August 5	61	54	0.00
August 6	65	57	0.03
August 7	66	56	0.00
August 8	67	58	0.00
August 9	65	56	0.00
August 10	62	57	0.00
August 11	67	57	0.07
August 12	66	56	0.00
August 13	67	55	0.00
August 14	65	54	0.00
August 15	69	55	0.00
August 16	66	54	0.00
August 17	62	53	0.00
August 18	63	56	0.00
August 19	68	54	0.00
August 20	66	55	0.00
August 21	71	55	0.00
August 22	78	56	0.00
August 23	64	54	0.00
August 24	67	53	0.00
August 25	78	53	0.00
August 26	79	55	0.00
August 27	67	57	0.00
August 28	69	56	0.00
August 29	61	55	0.00
August 30	66	55	0.00
August 31	69	54	0.00

September 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	70	52	0.00
September 2	68	55	0.00
September 3	63	52	0.00
September 4	61	50	0.00
September 5	70	50	0.00
September 6	68	53	0.00
September 7	63	53	0.01
September 8	63	54	0.07
September 9	63	55	0.17
September 10	66	56	0.00
September 11	64	55	0.00
September 12	65	54	0.00
September 13	65	56	0.00
September 14	59	54	0.00
September 15	62	53	0.00
September 16	63	52	0.00
September 17	62	51	0.00
September 18	61	51	0.00
September 19	63	57	0.00
September 20	66	57	0.00
September 21	68	54	0.00
September 22	68	55	0.34
September 23	68	54	0.00
September 24	63	53	0.00
September 25	75	53	0.00
September 26	87	56	0.00
September 27	89	58	0.00
September 28	92	58	0.00
September 29	91	58	0.00
September 30	79	55	0.00

October 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	62	52	0.00
October 2	63	53	0.00
October 3	63	55	0.00
October 4	65	55	0.00
October 5	68	57	0.01
October 6	62	56	0.01
October 7	72	53	0.00
October 8	84	57	0.00
October 9	84	56	0.00
October 10	87	62	0.00
October 11	73	59	0.00
October 12	82	52	0.00
October 13	67	53	0.00
October 14	65	55	0.00
October 15	77	53	0.00
October 16	84	60	0.00
October 17	77	54	0.00
October 18	65	50	0.00
October 19	69	49	0.01
October 20	82	55	0.00
October 21	82	56	0.00
October 22	67	51	0.00
October 23	60	51	0.00
October 24	67	51	0.00
October 25	66	50	0.00
October 26	58	51	0.00
October 27	68	54	0.50
October 28	64	53	0.12
October 29	69	51	0.00
October 30	74	52	0.00
October 31	76	52	0.00

November 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	80	56	0.00
November 2	62	53	0.00
November 3	62	52	0.00
November 4	68	51	0.00
November 5	60	52	0.00
November 6	67	53	0.00
November 7	66	58	0.46
November 8	62	54	0.18
November 9	64	50	0.00
November 10	66	54	0.00
November 11	69	56	0.00
November 12	72	55	0.00
November 13	73	56	0.00
November 14	61	51	0.06
November 15	68	56	0.00
November 16	64	52	0.41
November 17	58	52	0.10
November 18	63	46	0.00
November 19	58	51	0.31
November 20	59	53	0.00
November 21	61	49	0.07
November 22	61	45	0.00
November 23	61	46	0.00
November 24	62	46	0.00
November 25	64	48	0.00
November 26	60	51	0.00
November 27	59	53	0.00
November 28	59	53	0.00
November 29	62	52	0.20
November 30	60	52	0.53

December 1999 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	58	48	0.00
December 2	58	47	0.10
December 3	63	46	0.00
December 4	59	46	0.00
December 5	60	46	0.00
December 6	56	47	0.01
December 7	57	47	0.01
December 8	56	43	0.00
December 9	53	47	0.45
December 10	56	41	0.00
December 11	64	46	0.00
December 12	61	46	0.00
December 13	56	47	0.05
December 14	60	44	0.00
December 15	59	43	0.00
December 16	63	44	0.00
December 17	65	46	0.00
December 18	60	46	0.00
December 19	73	48	0.00
December 20	72	55	0.00
December 21	70	53	0.00
December 22	71	53	0.00
December 23	68	47	0.00
December 24	65	46	0.00
December 25	66	46	0.00
December 26	62	46	0.00
December 27	64	46	0.00
December 28	68	46	0.00
December 29	63	46	0.00
December 30	61	45	0.00
December 31	53	45	0.00

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Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location