San Juan Weather in 2020

Historical record of San Juan, Puerto Rico weather for the year 2020 based on NOAA data.

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2020 San Juan Weather Extremes
Highest temperature	95 °F	September 23
Lowest temperature	70 °F	March 26
Highest daily low	83 °F	September 17
Lowest daily high	78 °F	February 24
Most daily precipitation	4.5 inches	July 30
Most daily snow	none	-
Total annual precipitation	69.8 inches	-
Total annual snow	none	-

What was the hottest temperature in San Juan in 2020?

The highest temperature recorded in San Juan, Puerto Rico in 2020 was 95 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Juan in 2020

Rank	Temperature	Date
1	95 °F	Sep 23
1	95 °F	Sep 22
1	95 °F	May 24
4	94 °F	Aug 3
4	94 °F	May 25
6	93 °F	Oct 24
6	93 °F	Oct 22
6	93 °F	Oct 10
6	93 °F	Sep 14
6	93 °F	Aug 19
6	93 °F	Jun 21
6	93 °F	Jun 19
6	93 °F	Jun 13
6	93 °F	Jun 3
6	93 °F	May 30
6	93 °F	May 23
6	93 °F	May 21
6	93 °F	May 17
6	93 °F	May 8
6	93 °F	May 7

What was the coldest temperature in San Juan in 2020?

The lowest temperature recorded in San Juan, Puerto Rico in 2020 was 70 °F which happened 3 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Juan in 2020

Rank	Temperature	Date
1	70 °F	March 26
1	70 °F	March 20
1	70 °F	February 27
4	71 °F	December 6
4	71 °F	April 1
4	71 °F	March 27
4	71 °F	March 14
4	71 °F	March 12
4	71 °F	March 10
4	71 °F	March 9
4	71 °F	March 8
4	71 °F	February 29

January 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	86	76	0.05
January 2	86	78	0.06
January 3	83	75	0.88
January 4	84	76	0.02
January 5	84	74	0.05
January 6	82	75	0.36
January 7	85	76	0.03
January 8	85	75	0.12
January 9	86	76	0.34
January 10	85	74	0.10
January 11	86	75	0.12
January 12	84	75	0.22
January 13	84	73	0.39
January 14	83	73	0.17
January 15	83	73	0.74
January 16	84	73	0.20
January 17	84	72	0.01
January 18	84	75	0.05
January 19	83	72	0.49
January 20	84	73	0.41
January 21	88	74	0.04
January 22	85	73	0.05
January 23	88	75	1.34
January 24	82	73	1.30
January 25	83	72	0.49
January 26	84	72	0.77
January 27	85	74	0.27
January 28	86	74	0.00
January 29	84	74	0.01
January 30	89	75	0.00
January 31	86	74	0.00

February 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	85	76	0.00
February 2	88	75	0.00
February 3	86	75	0.00
February 4	86	77	0.02
February 5	86	75	0.01
February 6	88	75	0.03
February 7	88	77	0.01
February 8	86	76	0.00
February 9	86	75	0.12
February 10	88	75	0.04
February 11	86	74	0.07
February 12	85	74	0.14
February 13	86	76	0.04
February 14	85	74	0.60
February 15	84	73	0.41
February 16	84	75	0.06
February 17	85	74	0.07
February 18	86	76	0.08
February 19	84	74	0.25
February 20	85	74	0.03
February 21	85	73	0.00
February 22	89	74	0.00
February 23	89	73	0.52
February 24	78	72	4.35
February 25	79	72	1.10
February 26	82	74	0.25
February 27	83	70	0.00
February 28	84	72	0.01
February 29	85	71	0.02

March 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	83	73	0.00
March 2	81	73	0.12
March 3	83	72	0.01
March 4	83	73	0.02
March 5	85	73	0.02
March 6	84	74	0.06
March 7	85	72	0.01
March 8	82	71	0.06
March 9	80	71	1.55
March 10	82	71	0.01
March 11	80	72	1.00
March 12	87	71	0.00
March 13	84	72	0.00
March 14	81	71	0.35
March 15	81	74	0.04
March 16	81	74	0.07
March 17	83	73	0.16
March 18	83	75	0.01
March 19	83	73	0.10
March 20	83	70	0.10
March 21	83	73	0.07
March 22	83	72	0.31
March 23	81	72	0.51
March 24	82	74	0.01
March 25	83	74	0.03
March 26	84	70	0.00
March 27	83	71	0.14
March 28	84	73	0.06
March 29	84	75	0.13
March 30	83	76	0.00
March 31	84	73	0.00

April 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	91	71	0.00
April 2	92	73	0.00
April 3	89	75	0.00
April 4	88	76	0.10
April 5	86	75	1.10
April 6	85	77	0.01
April 7	84	76	0.09
April 8	82	75	1.86
April 9	86	75	0.01
April 10	91	75	0.00
April 11	88	76	0.00
April 12	89	76	0.00
April 13	86	79	0.04
April 14	86	78	0.00
April 15	86	74	0.22
April 16	87	73	0.33
April 17	86	74	0.00
April 18	86	74	0.32
April 19	87	74	0.01
April 20	88	74	0.02
April 21	91	74	0.00
April 22	90	75	0.00
April 23	87	77	0.04
April 24	88	78	0.00
April 25	88	76	0.02
April 26	90	76	0.00
April 27	88	75	0.00
April 28	88	76	0.00
April 29	88	77	0.00
April 30	87	75	0.10

May 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	90	76	0.03
May 2	89	77	0.00
May 3	89	75	0.01
May 4	89	76	0.06
May 5	89	76	0.00
May 6	92	76	0.01
May 7	93	78	0.00
May 8	93	78	0.00
May 9	92	79	0.00
May 10	91	77	0.00
May 11	89	77	0.01
May 12	92	76	0.05
May 13	90	76	0.94
May 14	90	76	0.02
May 15	90	76	0.00
May 16	90	77	0.02
May 17	93	76	0.00
May 18	91	77	0.00
May 19	90	78	0.02
May 20	89	78	0.06
May 21	93	76	0.00
May 22	92	80	0.00
May 23	93	79	0.01
May 24	95	77	0.00
May 25	94	79	0.00
May 26	92	79	0.10
May 27	91	79	0.04
May 28	89	76	0.31
May 29	92	77	0.00
May 30	93	77	0.00
May 31	90	77	0.00

June 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	89	78	0.08
June 2	90	78	0.01
June 3	93	79	0.01
June 4	92	79	0.01
June 5	90	78	0.01
June 6	89	75	0.49
June 7	89	77	0.03
June 8	90	75	0.05
June 9	89	78	0.00
June 10	90	79	0.00
June 11	89	78	0.34
June 12	91	77	0.10
June 13	93	78	0.02
June 14	92	80	0.08
June 15	92	79	0.00
June 16	91	80	0.00
June 17	91	77	0.19
June 18	91	79	0.02
June 19	93	80	0.01
June 20	91	77	1.67
June 21	93	79	0.01
June 22	90	81	0.00
June 23	89	81	0.00
June 24	89	77	0.04
June 25	91	80	0.08
June 26	90	79	0.22
June 27	90	81	0.00
June 28	89	81	0.00
June 29	89	79	0.00
June 30	90	79	0.43

July 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	90	79	0.25
July 2	91	80	0.00
July 3	92	81	0.01
July 4	91	81	0.00
July 5	90	79	0.02
July 6	90	80	0.02
July 7	89	78	0.78
July 8	91	80	0.03
July 9	90	80	0.02
July 10	91	79	0.17
July 11	91	79	0.03
July 12	89	77	1.23
July 13	90	80	0.09
July 14	90	81	0.00
July 15	89	79	0.05
July 16	88	77	0.48
July 17	90	79	0.01
July 18	88	79	0.08
July 19	89	79	0.00
July 20	90	78	0.02
July 21	90	79	0.18
July 22	89	79	0.02
July 23	89	77	0.33
July 24	89	78	0.09
July 25	91	81	0.03
July 26	89	81	0.03
July 27	89	79	0.29
July 28	90	79	0.10
July 29	88	78	1.58
July 30	85	76	4.46
July 31	91	79	0.02

August 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	89	79	0.01
August 2	90	79	0.00
August 3	94	80	0.01
August 4	91	82	0.01
August 5	89	81	0.01
August 6	90	79	0.00
August 7	90	80	0.03
August 8	90	82	0.01
August 9	90	80	0.00
August 10	90	79	0.09
August 11	90	80	0.00
August 12	85	80	0.59
August 13	90	78	0.01
August 14	90	79	0.43
August 15	90	78	0.02
August 16	89	82	0.02
August 17	91	81	0.00
August 18	91	82	0.01
August 19	93	80	0.00
August 20	90	80	0.09
August 21	90	80	0.43
August 22	83	77	0.79
August 23	91	80	0.01
August 24	84	76	0.41
August 25	90	76	0.14
August 26	89	79	0.01
August 27	87	80	0.07
August 28	89	81	0.00
August 29	89	81	0.00
August 30	89	82	0.02
August 31	89	79	0.27

September 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	90	80	0.09
September 2	89	80	0.09
September 3	88	78	0.54
September 4	89	77	0.11
September 5	90	80	0.01
September 6	89	79	0.03
September 7	87	78	0.88
September 8	87	78	0.82
September 9	90	78	0.00
September 10	88	79	0.00
September 11	88	78	0.08
September 12	88	77	0.09
September 13	90	78	0.12
September 14	93	80	0.01
September 15	90	80	0.01
September 16	91	80	0.00
September 17	90	83	0.00
September 18	89	81	0.03
September 19	89	79	0.01
September 20	90	78	0.03
September 21	90	78	0.00
September 22	95	80	0.03
September 23	95	77	0.25
September 24	89	77	0.00
September 25	89	78	0.61
September 26	89	79	0.18
September 27	90	79	0.05
September 28	87	77	0.65
September 29	91	77	0.29
September 30	91	80	0.01

October 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	89	75	0.92
October 2	88	78	0.01
October 3	87	76	0.18
October 4	86	77	0.04
October 5	87	76	0.70
October 6	89	77	0.03
October 7	89	77	0.05
October 8	89	79	0.00
October 9	88	78	0.00
October 10	93	77	0.75
October 11	89	79	0.03
October 12	90	79	0.00
October 13	90	77	0.65
October 14	88	77	0.00
October 15	88	78	0.25
October 16	87	77	0.07
October 17	89	76	0.01
October 18	88	77	0.00
October 19	88	77	0.00
October 20	89	78	0.00
October 21	89	77	0.00
October 22	93	79	0.00
October 23	91	79	0.00
October 24	93	79	0.00
October 25	90	79	0.44
October 26	88	78	0.03
October 27	88	77	0.82
October 28	88	77	0.42
October 29	86	76	1.04
October 30	89	78	0.01
October 31	88	79	0.05

November 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	89	77	0.06
November 2	87	77	0.05
November 3	88	77	0.00
November 4	88	76	0.00
November 5	88	75	0.02
November 6	87	74	0.00
November 7	87	77	0.60
November 8	90	73	1.38
November 9	87	74	0.02
November 10	81	74	2.44
November 11	85	74	1.07
November 12	86	75	0.43
November 13	86	75	0.02
November 14	86	75	0.01
November 15	86	75	0.02
November 16	86	74	0.22
November 17	87	75	0.00
November 18	86	76	0.08
November 19	87	76	0.01
November 20	89	77	0.07
November 21	85	76	0.24
November 22	87	74	0.11
November 23	88	75	0.15
November 24	88	75	0.30
November 25	86	74	0.16
November 26	85	75	0.02
November 27	85	74	0.00
November 28	83	73	0.13
November 29	84	75	0.00
November 30	83	74	0.00

December 2020 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	84	73	0.00
December 2	84	73	0.00
December 3	84	74	0.01
December 4	84	75	0.06
December 5	81	72	0.16
December 6	82	71	0.01
December 7	86	74	0.00
December 8	88	72	0.00
December 9	85	73	0.00
December 10	85	75	0.00
December 11	84	74	0.01
December 12	85	74	0.17
December 13	84	74	0.12
December 14	84	75	0.67
December 15	84	75	0.00
December 16	84	75	0.04
December 17	86	73	0.00
December 18	85	75	0.18
December 19	85	75	0.49
December 20	85	75	0.33
December 21	85	75	0.01
December 22	85	75	0.03
December 23	85	74	0.16
December 24	84	73	1.82
December 25	84	75	0.15
December 26	83	73	0.01
December 27	83	73	0.00
December 28	83	73	0.00
December 29	84	73	0.06
December 30	83	72	0.06
December 31	83	73	0.13

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Weather Station Details

Years	Station	Coordinates
1956–2024	San Juan Airport	location