San Antonio Weather in 1999

Historical record of San Antonio, Texas weather for the year 1999 based on NOAA data.

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1999 San Antonio Weather Extremes
Highest temperature	104 °F	August 21
Lowest temperature	23 °F	January 5
Highest daily low	77 °F	September 4
Lowest daily high	44 °F	January 4
Most daily precipitation	1.6 inches	May 10
Total annual precipitation	16.4 inches	-

What was the hottest temperature in San Antonio in 1999?

The highest temperature recorded in San Antonio, Texas in 1999 was 104 °F which happened on August 21.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Antonio in 1999

Rank	Temperature	Date
1	104 °F	Aug 21
2	103 °F	Aug 20
3	102 °F	Aug 14
4	101 °F	Aug 15
5	100 °F	Aug 19
5	100 °F	Aug 16
5	100 °F	Aug 13
5	100 °F	Aug 12
5	100 °F	Aug 10
10	99 °F	Sep 20
10	99 °F	Aug 11
10	99 °F	Aug 9
10	99 °F	Aug 5
10	99 °F	Jul 30

What was the coldest temperature in San Antonio in 1999?

The lowest temperature recorded in San Antonio, Texas in 1999 was 23 °F which happened on Jan 5.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Antonio in 1999

Rank	Temperature	Date
1	23 °F	January 5
2	24 °F	January 10
3	25 °F	December 6
4	27 °F	January 4
5	29 °F	December 16
5	29 °F	February 13
5	29 °F	January 15
8	30 °F	December 22
8	30 °F	February 14
8	30 °F	January 9
8	30 °F	January 3

January 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	72	54	0.00
January 2	63	33	0.00
January 3	44	30	0.00
January 4	44	27	0.00
January 5	56	23	0.00
January 6	64	42	0.00
January 7	70	40	0.01
January 8	72	38	0.00
January 9	51	30	0.00
January 10	57	24	0.00
January 11	68	33	0.00
January 12	72	46	0.00
January 13	71	46	0.00
January 14	63	36	0.00
January 15	65	29	0.00
January 16	71	35	0.00
January 17	82	46	0.00
January 18	71	43	0.00
January 19	72	43	0.01
January 20	76	50	0.01
January 21	80	62	0.00
January 22	68	49	0.00
January 23	70	41	0.00
January 24	76	37	0.00
January 25	74	40	0.00
January 26	75	58	0.00
January 27	77	50	0.00
January 28	76	62	0.00
January 29	75	47	0.01
January 30	65	43	0.00
January 31	68	39	0.00

February 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	71	40	0.00
February 2	70	53	0.00
February 3	76	51	0.00
February 4	69	51	0.00
February 5	76	60	0.00
February 6	81	67	0.00
February 7	84	59	0.00
February 8	76	58	0.01
February 9	82	66	0.00
February 10	82	65	0.00
February 11	71	48	0.00
February 12	59	34	0.00
February 13	66	29	0.00
February 14	68	30	0.00
February 15	74	40	0.00
February 16	70	54	0.00
February 17	72	47	0.00
February 18	84	41	0.00
February 19	69	44	0.00
February 20	78	51	0.00
February 21	65	44	0.00
February 22	69	37	0.00
February 23	73	45	0.00
February 24	75	45	0.00
February 25	78	57	0.00
February 26	73	65	0.00
February 27	89	60	0.00
February 28	78	43	0.00

March 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	85	45	0.00
March 2	91	56	0.01
March 3	67	48	0.00
March 4	70	40	0.00
March 5	79	60	0.00
March 6	78	59	0.01
March 7	63	54	0.01
March 8	84	53	0.06
March 9	75	47	0.00
March 10	81	58	0.00
March 11	79	66	0.01
March 12	77	55	0.41
March 13	62	43	0.06
March 14	66	38	0.00
March 15	68	32	0.00
March 16	76	40	0.00
March 17	75	56	0.00
March 18	69	60	0.90
March 19	68	53	0.20
March 20	75	51	0.00
March 21	75	43	0.00
March 22	78	45	0.00
March 23	79	58	0.00
March 24	72	63	0.01
March 25	70	55	0.00
March 26	70	50	0.00
March 27	62	54	1.44
March 28	76	55	0.36
March 29	69	57	0.00
March 30	72	56	0.00
March 31	66	57	0.00

April 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	72	62	0.00
April 2	77	69	0.01
April 3	85	62	0.01
April 4	73	62	0.00
April 5	85	53	0.00
April 6	81	45	0.00
April 7	83	66	0.00
April 8	88	66	0.00
April 9	85	66	0.00
April 10	88	67	0.00
April 11	84	60	0.00
April 12	77	64	0.02
April 13	82	67	0.00
April 14	88	59	0.12
April 15	69	51	0.00
April 16	66	44	0.00
April 17	72	37	0.00
April 18	78	42	0.00
April 19	85	54	0.00
April 20	86	63	0.00
April 21	80	68	0.00
April 22	88	70	0.00
April 23	88	72	0.00
April 24	82	72	0.00
April 25	79	63	0.50
April 26	79	62	0.25
April 27	89	64	0.00
April 28	87	65	0.00
April 29	86	67	0.00
April 30	81	67	0.00

May 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	73	65	0.00
May 2	73	66	0.24
May 3	81	68	0.01
May 4	91	72	0.07
May 5	91	65	0.00
May 6	85	55	0.00
May 7	84	53	0.00
May 8	88	58	0.00
May 9	86	73	0.00
May 10	77	61	1.57
May 11	81	60	0.00
May 12	87	67	0.05
May 13	84	67	0.00
May 14	88	68	0.00
May 15	89	71	0.00
May 16	89	73	0.00
May 17	87	63	0.77
May 18	81	64	0.00
May 19	84	61	0.00
May 20	87	69	0.00
May 21	87	71	0.00
May 22	88	71	0.00
May 23	88	72	0.00
May 24	88	66	0.00
May 25	88	69	0.00
May 26	88	66	0.04
May 27	87	64	0.00
May 28	86	68	0.00
May 29	89	67	0.03
May 30	91	74	0.00
May 31	93	74	0.00

June 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	95	73	0.00
June 2	92	75	0.00
June 3	91	74	0.00
June 4	93	75	0.00
June 5	93	76	0.00
June 6	93	75	0.00
June 7	92	73	0.00
June 8	91	74	0.00
June 9	94	72	0.00
June 10	93	74	0.00
June 11	95	75	0.07
June 12	95	72	0.03
June 13	89	70	0.07
June 14	90	69	0.12
June 15	86	71	0.34
June 16	90	70	0.06
June 17	88	70	0.00
June 18	90	69	0.00
June 19	89	73	0.02
June 20	77	71	1.05
June 21	78	70	1.27
June 22	89	73	0.22
June 23	91	75	0.00
June 24	91	76	0.00
June 25	90	74	0.12
June 26	91	73	0.00
June 27	91	77	0.00
June 28	92	77	0.00
June 29	90	77	0.00
June 30	92	75	0.00

July 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	94	75	0.00
July 2	93	76	0.00
July 3	90	76	0.51
July 4	85	72	0.29
July 5	89	71	0.00
July 6	91	71	0.00
July 7	91	72	0.00
July 8	93	72	0.00
July 9	92	74	0.00
July 10	92	75	0.37
July 11	90	71	0.13
July 12	90	69	0.00
July 13	92	71	0.00
July 14	92	75	0.00
July 15	94	73	0.00
July 16	93	73	0.00
July 17	86	73	0.21
July 18	90	71	0.27
July 19	91	72	0.00
July 20	87	73	0.00
July 21	91	73	0.02
July 22	94	74	0.00
July 23	95	74	0.00
July 24	95	71	0.00
July 25	94	73	0.00
July 26	95	74	0.00
July 27	96	76	0.00
July 28	96	75	0.00
July 29	98	74	0.00
July 30	99	73	0.00
July 31	98	76	0.00

August 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	97	76	0.00
August 2	97	75	0.00
August 3	96	76	0.00
August 4	98	75	0.23
August 5	99	72	0.00
August 6	98	73	0.00
August 7	98	76	0.00
August 8	97	75	0.00
August 9	99	76	0.00
August 10	100	75	0.00
August 11	99	76	0.00
August 12	100	76	0.00
August 13	100	75	0.00
August 14	102	73	0.00
August 15	101	74	0.00
August 16	100	77	0.00
August 17	97	74	0.00
August 18	97	75	0.00
August 19	100	72	0.00
August 20	103	75	0.00
August 21	104	73	0.00
August 22	91	75	0.00
August 23	87	73	0.12
August 24	93	72	1.03
August 25	95	74	0.00
August 26	95	76	0.00
August 27	98	77	0.00
August 28	97	76	0.00
August 29	97	75	0.73
August 30	97	72	0.00
August 31	96	71	0.00

September 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	94	75	0.00
September 2	95	74	0.02
September 3	96	76	0.00
September 4	96	77	0.00
September 5	96	76	0.00
September 6	94	71	0.00
September 7	93	70	0.00
September 8	94	74	0.00
September 9	98	71	0.00
September 10	95	70	0.00
September 11	95	73	0.00
September 12	94	75	0.00
September 13	92	71	0.00
September 14	91	69	0.00
September 15	92	68	0.00
September 16	92	64	0.00
September 17	93	61	0.00
September 18	92	65	0.00
September 19	94	66	0.00
September 20	99	66	0.00
September 21	86	69	0.00
September 22	85	59	0.00
September 23	88	49	0.00
September 24	90	57	0.00
September 25	90	71	0.00
September 26	94	73	0.00
September 27	94	74	0.00
September 28	95	72	0.00
September 29	78	61	0.03
September 30	82	52	0.00

October 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	86	54	0.00
October 2	92	59	0.00
October 3	93	73	0.00
October 4	88	65	0.00
October 5	90	63	0.00
October 6	89	62	0.00
October 7	88	52	0.00
October 8	90	64	0.00
October 9	87	65	0.00
October 10	90	62	0.00
October 11	89	63	0.00
October 12	89	62	0.00
October 13	91	60	0.00
October 14	89	63	0.00
October 15	90	71	0.00
October 16	90	70	0.00
October 17	70	50	0.74
October 18	53	48	0.20
October 19	66	45	0.00
October 20	74	41	0.00
October 21	77	43	0.00
October 22	87	45	0.00
October 23	82	55	0.00
October 24	78	46	0.00
October 25	80	45	0.00
October 26	80	49	0.00
October 27	81	48	0.00
October 28	84	61	0.00
October 29	85	65	0.00
October 30	71	49	0.35
October 31	72	46	0.00

November 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	81	51	0.00
November 2	66	43	0.00
November 3	69	36	0.00
November 4	80	45	0.00
November 5	84	54	0.00
November 6	81	59	0.00
November 7	79	52	0.00
November 8	77	46	0.00
November 9	80	48	0.00
November 10	78	54	0.00
November 11	83	60	0.00
November 12	81	55	0.00
November 13	82	50	0.00
November 14	81	47	0.00
November 15	83	50	0.00
November 16	82	50	0.00
November 17	77	49	0.00
November 18	82	54	0.00
November 19	78	61	0.00
November 20	76	52	0.00
November 21	79	56	0.00
November 22	82	65	0.00
November 23	76	52	0.00
November 24	56	45	0.05
November 25	62	37	0.00
November 26	69	31	0.00
November 27	76	37	0.00
November 28	77	45	0.00
November 29	75	48	0.00
November 30	68	50	0.00

December 1999 San Antonio Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	73	43	0.00
December 2	78	60	0.00
December 3	83	50	0.00
December 4	77	49	0.02
December 5	63	35	0.00
December 6	61	25	0.00
December 7	71	32	0.00
December 8	79	61	0.00
December 9	70	42	0.04
December 10	66	34	0.00
December 11	73	51	0.08
December 12	69	44	0.19
December 13	65	35	0.00
December 14	72	31	0.00
December 15	60	32	0.00
December 16	61	29	0.00
December 17	69	33	0.00
December 18	64	41	0.00
December 19	70	31	0.00
December 20	56	39	0.09
December 21	46	34	0.09
December 22	52	30	0.00
December 23	56	45	0.01
December 24	70	43	0.00
December 25	61	48	0.00
December 26	64	44	0.00
December 27	72	50	0.00
December 28	71	36	0.00
December 29	78	38	0.00
December 30	77	38	0.00
December 31	76	41	0.00

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Weather Station Details

Years	Station	Coordinates
1947–2024	San Antonio International Airport	location
1893–1946	San Antonio Nursery	location