San Juan Weather in 2019

Historical record of San Juan, Puerto Rico weather for the year 2019 based on NOAA data.

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2019 San Juan Weather Extremes
Highest temperature	95 °F	September 21
Lowest temperature	69 °F	January 26
Highest daily low	82 °F	September 14
Lowest daily high	79 °F	January 17
Most daily precipitation	2.8 inches	September 6
Most daily snow	none	-
Total annual precipitation	46.9 inches	-
Total annual snow	none	-

What was the hottest temperature in San Juan in 2019?

The highest temperature recorded in San Juan, Puerto Rico in 2019 was 95 °F which happened on September 21.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Juan in 2019

Rank	Temperature	Date
1	95 °F	Sep 21
2	94 °F	Sep 13
2	94 °F	Sep 2
2	94 °F	Aug 30
5	93 °F	Dec 3
5	93 °F	Oct 1
5	93 °F	Sep 30
5	93 °F	Sep 26
5	93 °F	Sep 23
5	93 °F	Sep 18
5	93 °F	Sep 14
5	93 °F	Aug 13
5	93 °F	Aug 9
5	93 °F	Jul 23
5	93 °F	May 14

What was the coldest temperature in San Juan in 2019?

The lowest temperature recorded in San Juan, Puerto Rico in 2019 was 69 °F which happened on Jan 26.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Juan in 2019

Rank	Temperature	Date
1	69 °F	January 26
2	70 °F	March 19
2	70 °F	February 2
2	70 °F	January 27
2	70 °F	January 19
2	70 °F	January 16
7	71 °F	March 6
7	71 °F	March 2
7	71 °F	February 20
7	71 °F	February 6
7	71 °F	February 5
7	71 °F	February 3
7	71 °F	February 1
7	71 °F	January 29
7	71 °F	January 20
7	71 °F	January 18
7	71 °F	January 15
7	71 °F	January 12
7	71 °F	January 10

January 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	83	74	0.01
January 2	82	73	0.03
January 3	83	75	0.02
January 4	86	72	0.01
January 5	84	73	0.00
January 6	84	73	0.00
January 7	84	73	0.00
January 8	83	72	0.00
January 9	82	73	0.02
January 10	84	71	0.00
January 11	85	73	0.00
January 12	82	71	0.03
January 13	83	73	0.04
January 14	83	72	0.00
January 15	84	71	0.00
January 16	83	70	0.00
January 17	79	72	0.22
January 18	84	71	0.00
January 19	83	70	0.00
January 20	84	71	0.00
January 21	83	72	0.08
January 22	83	72	0.18
January 23	83	73	0.18
January 24	84	72	0.34
January 25	80	72	0.76
January 26	83	69	0.00
January 27	84	70	0.00
January 28	85	72	0.03
January 29	88	71	0.00
January 30	85	75	0.00
January 31	82	72	0.15

February 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	83	71	0.00
February 2	82	70	0.00
February 3	83	71	0.00
February 4	84	72	0.00
February 5	83	71	0.00
February 6	83	71	0.70
February 7	83	72	0.06
February 8	83	74	0.09
February 9	83	73	0.16
February 10	83	73	0.28
February 11	83	73	0.03
February 12	84	72	0.02
February 13	84	73	0.02
February 14	85	72	0.09
February 15	86	72	0.02
February 16	88	72	0.00
February 17	87	74	0.00
February 18	84	74	0.01
February 19	83	72	0.01
February 20	81	71	0.21
February 21	85	72	0.02
February 22	83	74	0.00
February 23	84	74	0.01
February 24	84	73	0.03
February 25	83	73	0.00
February 26	83	73	0.15
February 27	82	73	0.23
February 28	84	72	0.03

March 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	86	72	0.01
March 2	85	71	0.00
March 3	86	72	0.00
March 4	83	72	0.08
March 5	86	72	0.04
March 6	86	71	0.00
March 7	85	73	0.00
March 8	85	73	0.01
March 9	85	72	0.28
March 10	84	73	0.01
March 11	83	73	0.11
March 12	83	72	0.05
March 13	82	72	0.07
March 14	84	73	0.12
March 15	84	73	0.00
March 16	83	75	0.01
March 17	86	72	0.01
March 18	86	73	0.00
March 19	87	70	0.00
March 20	86	74	0.00
March 21	88	73	0.00
March 22	87	75	0.01
March 23	86	73	0.00
March 24	87	73	0.15
March 25	89	75	0.00
March 26	91	72	0.00
March 27	91	75	0.00
March 28	90	74	0.00
March 29	87	75	0.02
March 30	86	75	0.05
March 31	86	75	0.00

April 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	86	75	0.00
April 2	88	74	0.31
April 3	86	75	0.01
April 4	86	75	0.05
April 5	87	75	0.00
April 6	87	75	0.01
April 7	87	74	0.05
April 8	87	74	0.00
April 9	87	74	0.02
April 10	87	75	0.09
April 11	90	74	0.10
April 12	90	76	0.00
April 13	87	74	0.26
April 14	86	74	0.01
April 15	86	73	0.00
April 16	87	76	0.00
April 17	86	75	0.00
April 18	87	75	0.03
April 19	88	76	0.09
April 20	87	74	0.04
April 21	86	73	0.27
April 22	85	75	0.00
April 23	85	74	0.02
April 24	85	75	0.00
April 25	85	74	0.00
April 26	86	76	0.00
April 27	87	77	0.01
April 28	85	76	1.67
April 29	86	76	0.00
April 30	85	75	0.01

May 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	86	76	0.00
May 2	86	77	0.13
May 3	85	76	0.03
May 4	86	75	0.02
May 5	86	75	0.00
May 6	85	76	0.38
May 7	88	74	0.00
May 8	85	73	0.04
May 9	84	73	0.01
May 10	85	75	0.02
May 11	86	78	0.02
May 12	89	78	0.13
May 13	92	78	0.02
May 14	93	76	0.00
May 15	89	77	0.09
May 16	89	78	0.00
May 17	90	78	0.03
May 18	89	78	0.00
May 19	89	77	0.28
May 20	88	78	0.05
May 21	90	76	0.00
May 22	88	77	0.00
May 23	86	77	0.00
May 24	89	77	0.02
May 25	87	76	0.01
May 26	87	78	0.00
May 27	87	78	0.00
May 28	85	78	0.35
May 29	87	74	0.13
May 30	83	74	0.21
May 31	89	77	0.00

June 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	87	75	0.02
June 2	84	77	0.59
June 3	91	76	0.00
June 4	89	78	0.02
June 5	89	78	0.00
June 6	91	79	0.03
June 7	90	79	0.00
June 8	88	78	1.02
June 9	90	78	0.00
June 10	90	79	0.01
June 11	88	78	0.00
June 12	88	77	0.31
June 13	89	78	0.01
June 14	88	78	0.03
June 15	88	77	0.19
June 16	88	78	0.34
June 17	88	78	0.00
June 18	88	79	0.00
June 19	88	79	0.00
June 20	90	79	0.04
June 21	92	79	0.00
June 22	89	78	0.00
June 23	89	76	0.00
June 24	89	78	0.00
June 25	90	79	0.03
June 26	90	78	0.09
June 27	91	77	0.23
June 28	90	77	0.05
June 29	89	80	0.00
June 30	90	81	0.00

July 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	90	78	0.00
July 2	90	79	0.00
July 3	90	79	0.00
July 4	92	79	0.00
July 5	90	78	1.08
July 6	88	78	0.00
July 7	87	80	0.01
July 8	90	78	0.00
July 9	92	80	0.01
July 10	90	81	0.00
July 11	89	80	0.01
July 12	89	79	0.00
July 13	89	78	0.16
July 14	89	78	0.15
July 15	89	80	0.03
July 16	89	80	0.00
July 17	89	76	0.36
July 18	90	79	0.00
July 19	90	76	0.44
July 20	89	79	0.10
July 21	90	79	0.10
July 22	90	79	0.00
July 23	93	79	0.00
July 24	90	79	0.00
July 25	88	80	0.14
July 26	89	79	0.01
July 27	89	81	0.01
July 28	89	81	0.00
July 29	89	76	0.83
July 30	82	75	2.35
July 31	88	75	0.93

August 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	88	76	0.00
August 2	89	80	0.01
August 3	92	80	0.01
August 4	89	80	0.00
August 5	88	79	0.00
August 6	91	80	0.01
August 7	89	80	0.00
August 8	89	78	0.13
August 9	93	80	0.00
August 10	91	79	0.01
August 11	89	78	0.14
August 12	91	78	0.08
August 13	93	80	0.00
August 14	90	78	0.01
August 15	92	81	0.00
August 16	89	82	0.06
August 17	89	75	1.70
August 18	89	78	0.31
August 19	89	76	0.89
August 20	88	79	0.00
August 21	89	78	0.19
August 22	92	77	0.16
August 23	92	79	0.03
August 24	90	80	0.01
August 25	91	81	0.00
August 26	91	80	0.01
August 27	90	81	0.00
August 28	87	76	0.12
August 29	91	77	0.09
August 30	94	77	0.00
August 31	90	81	0.41

September 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	87	77	1.37
September 2	94	79	0.00
September 3	91	81	0.00
September 4	90	80	0.04
September 5	89	80	0.08
September 6	87	76	2.82
September 7	88	78	0.01
September 8	88	78	0.26
September 9	89	78	0.27
September 10	90	79	0.42
September 11	89	79	0.47
September 12	90	79	0.15
September 13	94	79	0.00
September 14	93	82	0.03
September 15	90	80	1.08
September 16	92	80	0.05
September 17	92	80	0.01
September 18	93	80	0.00
September 19	92	80	0.08
September 20	91	80	0.00
September 21	95	81	0.00
September 22	89	76	0.54
September 23	93	81	0.03
September 24	86	77	0.76
September 25	92	77	0.10
September 26	93	80	0.00
September 27	92	81	0.00
September 28	89	80	0.00
September 29	87	77	0.73
September 30	93	78	0.24

October 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	93	79	0.00
October 2	89	81	0.00
October 3	91	78	0.00
October 4	88	80	0.17
October 5	89	79	0.00
October 6	90	80	0.00
October 7	90	80	0.01
October 8	90	79	0.02
October 9	89	80	0.00
October 10	88	79	0.01
October 11	88	79	0.00
October 12	91	78	0.00
October 13	90	77	0.21
October 14	88	78	0.01
October 15	89	79	0.02
October 16	89	78	0.00
October 17	89	79	0.00
October 18	89	79	0.49
October 19	89	78	0.12
October 20	89	78	0.00
October 21	89	78	0.15
October 22	88	77	0.03
October 23	89	76	0.41
October 24	88	77	0.11
October 25	87	77	0.44
October 26	88	77	0.03
October 27	88	77	0.36
October 28	88	78	0.10
October 29	88	77	0.00
October 30	88	78	0.01
October 31	88	77	0.11

November 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	87	78	0.01
November 2	88	74	0.90
November 3	87	76	0.00
November 4	85	75	0.99
November 5	89	76	0.17
November 6	89	77	0.26
November 7	89	77	0.12
November 8	88	77	0.06
November 9	88	77	0.06
November 10	91	77	0.00
November 11	89	78	0.03
November 12	88	78	0.00
November 13	88	76	0.00
November 14	87	76	0.01
November 15	86	76	0.39
November 16	87	76	0.02
November 17	87	77	0.00
November 18	88	78	0.02
November 19	88	78	0.00
November 20	89	78	0.00
November 21	89	76	0.52
November 22	86	77	0.13
November 23	87	79	0.00
November 24	86	75	0.01
November 25	89	76	0.00
November 26	89	78	0.00
November 27	88	79	0.02
November 28	86	76	0.21
November 29	86	74	0.33
November 30	86	74	0.10

December 2019 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	82	74	0.41
December 2	91	75	0.01
December 3	93	79	0.03
December 4	90	78	0.10
December 5	91	77	0.00
December 6	89	78	0.00
December 7	87	78	0.01
December 8	86	77	0.00
December 9	86	76	1.03
December 10	86	76	0.41
December 11	86	76	0.14
December 12	86	75	0.63
December 13	86	75	0.35
December 14	87	76	0.07
December 15	89	76	0.09
December 16	85	75	0.69
December 17	87	76	0.18
December 18	88	75	0.12
December 19	88	76	0.00
December 20	87	76	0.00
December 21	86	76	0.08
December 22	85	76	0.39
December 23	87	74	0.00
December 24	89	75	0.00
December 25	89	78	0.00
December 26	84	76	0.24
December 27	85	77	0.00
December 28	85	75	0.00
December 29	86	75	0.02
December 30	83	76	0.64
December 31	85	76	0.14

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Weather Station Details

Years	Station	Coordinates
1956–2024	San Juan Airport	location