San Juan Weather in 1981

Historical record of San Juan, Puerto Rico weather for the year 1981 based on NOAA data.

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1981 San Juan Weather Extremes
Highest temperature	98 °F	October 9
Lowest temperature	68 °F	January 21
Highest daily low	82 °F	July 29
Lowest daily high	76 °F	December 12
Most daily precipitation	7.0 inches	December 12
Most daily snow	none	-
Total annual precipitation	73.5 inches	-
Total annual snow	none	-

What was the hottest temperature in San Juan in 1981?

The highest temperature recorded in San Juan, Puerto Rico in 1981 was 98 °F which happened on October 9.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Juan in 1981

Rank	Temperature	Date
1	98 °F	Oct 9
2	97 °F	Oct 14
2	97 °F	Oct 8
2	97 °F	Sep 1
5	96 °F	Nov 6
5	96 °F	Sep 5
7	95 °F	Nov 7
7	95 °F	Oct 15
7	95 °F	Oct 3
7	95 °F	Oct 2
7	95 °F	Sep 20
7	95 °F	Jul 10

What was the coldest temperature in San Juan in 1981?

The lowest temperature recorded in San Juan, Puerto Rico in 1981 was 68 °F which happened on Jan 21.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Juan in 1981

Rank	Temperature	Date
1	68 °F	January 21
2	69 °F	March 2
3	71 °F	December 20
3	71 °F	December 19
3	71 °F	December 11
3	71 °F	November 30
3	71 °F	November 11
3	71 °F	February 14
3	71 °F	January 24
10	72 °F	December 28
10	72 °F	December 18
10	72 °F	December 6
10	72 °F	December 5
10	72 °F	November 16
10	72 °F	November 12
10	72 °F	October 30
10	72 °F	March 12
10	72 °F	February 22
10	72 °F	February 20
10	72 °F	February 15
10	72 °F	February 13
10	72 °F	January 15
10	72 °F	January 14
10	72 °F	January 12
10	72 °F	January 11
10	72 °F	January 4

January 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	87	74	0.00
January 2	86	75	0.23
January 3	85	76	0.15
January 4	86	72	0.00
January 5	86	73	0.00
January 6	86	73	0.00
January 7	85	74	0.03
January 8	87	75	0.00
January 9	88	75	0.00
January 10	87	73	0.00
January 11	87	72	0.44
January 12	88	72	0.11
January 13	84	73	0.59
January 14	86	72	0.03
January 15	90	72	0.00
January 16	87	75	0.00
January 17	87	74	0.00
January 18	86	76	0.02
January 19	78	73	0.38
January 20	82	75	0.00
January 21	83	68	0.00
January 22	83	73	0.12
January 23	84	73	0.00
January 24	85	71	0.07
January 25	90	75	0.00
January 26	91	73	0.00
January 27	88	74	0.30
January 28	89	73	0.00
January 29	87	73	0.00
January 30	87	75	0.04
January 31	87	74	0.04

February 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	86	75	0.22
February 2	85	75	0.03
February 3	85	75	0.12
February 4	84	74	0.00
February 5	85	74	0.07
February 6	84	74	0.02
February 7	84	74	0.03
February 8	87	73	0.00
February 9	87	73	0.25
February 10	86	74	0.16
February 11	86	76	0.00
February 12	84	75	0.02
February 13	84	72	0.15
February 14	85	71	0.21
February 15	85	72	0.52
February 16	84	75	0.09
February 17	84	76	0.00
February 18	85	73	0.37
February 19	83	74	0.00
February 20	87	72	0.00
February 21	87	74	0.06
February 22	85	72	0.00
February 23	84	75	0.00
February 24	84	73	0.00
February 25	83	75	0.00
February 26	83	74	0.40
February 27	85	73	0.00
February 28	83	75	0.00

March 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	81	73	0.00
March 2	85	69	0.00
March 3	92	76	0.00
March 4	87	75	1.72
March 5	88	75	0.32
March 6	91	75	0.15
March 7	87	75	0.00
March 8	86	75	0.10
March 9	84	76	0.00
March 10	83	75	0.00
March 11	83	75	0.00
March 12	85	72	0.00
March 13	86	74	0.00
March 14	91	74	0.00
March 15	87	75	0.00
March 16	89	75	0.00
March 17	89	76	0.00
March 18	91	76	0.03
March 19	94	76	0.00
March 20	92	75	0.00
March 21	81	74	0.14
March 22	85	76	0.05
March 23	91	75	0.33
March 24	91	76	0.00
March 25	88	76	0.31
March 26	86	75	0.01
March 27	85	74	0.33
March 28	85	75	0.26
March 29	85	74	0.64
March 30	84	75	0.00
March 31	84	76	0.00

April 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	85	74	0.15
April 2	85	74	0.04
April 3	87	74	0.27
April 4	86	73	0.68
April 5	85	74	0.29
April 6	84	76	0.03
April 7	82	75	0.03
April 8	85	76	0.03
April 9	85	76	0.01
April 10	84	76	0.01
April 11	84	77	0.00
April 12	84	76	0.00
April 13	85	77	0.00
April 14	84	73	0.16
April 15	85	77	0.00
April 16	80	76	0.03
April 17	83	76	0.00
April 18	84	76	0.00
April 19	85	75	0.00
April 20	87	75	0.06
April 21	85	74	0.05
April 22	86	75	0.58
April 23	87	75	0.01
April 24	85	75	0.04
April 25	85	76	0.00
April 26	87	78	0.00
April 27	88	77	0.02
April 28	88	75	0.02
April 29	90	76	0.01
April 30	87	74	0.37

May 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	86	76	1.33
May 2	91	76	0.00
May 3	91	77	0.42
May 4	87	76	0.95
May 5	87	75	0.07
May 6	92	76	2.54
May 7	93	76	0.01
May 8	93	76	0.00
May 9	92	80	0.01
May 10	87	77	0.36
May 11	88	76	0.04
May 12	90	77	0.97
May 13	90	76	0.00
May 14	90	79	0.00
May 15	91	80	0.38
May 16	92	79	0.00
May 17	89	78	0.00
May 18	90	76	0.90
May 19	87	74	0.32
May 20	88	76	0.03
May 21	88	77	0.89
May 22	93	80	0.09
May 23	94	77	0.04
May 24	89	77	0.00
May 25	89	78	0.17
May 26	87	77	0.30
May 27	91	75	0.00
May 28	93	79	0.00
May 29	89	80	0.00
May 30	89	77	0.62
May 31	87	75	0.58

June 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	83	76	0.82
June 2	86	76	0.11
June 3	87	76	0.19
June 4	86	77	0.56
June 5	86	79	0.44
June 6	89	81	0.00
June 7	92	81	0.00
June 8	92	82	0.00
June 9	91	81	0.00
June 10	90	80	0.00
June 11	90	80	0.02
June 12	90	78	0.00
June 13	89	77	0.68
June 14	89	79	0.00
June 15	90	78	0.00
June 16	91	78	0.00
June 17	92	76	0.00
June 18	92	79	0.00
June 19	94	79	0.78
June 20	90	79	0.00
June 21	90	79	0.00
June 22	90	78	0.08
June 23	90	79	0.18
June 24	92	78	0.01
June 25	93	80	0.00
June 26	91	79	0.00
June 27	91	78	0.00
June 28	90	75	0.12
June 29	92	77	0.50
June 30	93	77	0.99

July 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	92	78	0.04
July 2	91	80	0.00
July 3	91	80	0.12
July 4	91	81	0.18
July 5	92	79	0.09
July 6	92	80	1.04
July 7	90	78	0.03
July 8	91	80	0.01
July 9	92	80	0.07
July 10	95	80	0.00
July 11	92	80	0.00
July 12	92	80	0.00
July 13	91	78	0.33
July 14	91	79	0.05
July 15	93	80	0.00
July 16	91	79	0.00
July 17	90	75	1.25
July 18	91	78	0.00
July 19	91	77	0.40
July 20	84	77	0.74
July 21	93	78	0.00
July 22	91	81	0.00
July 23	89	78	0.50
July 24	87	76	1.71
July 25	89	78	0.00
July 26	91	79	0.00
July 27	92	80	0.01
July 28	92	81	0.00
July 29	92	82	0.00
July 30	91	80	0.18
July 31	88	76	0.29

August 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	90	78	0.00
August 2	88	80	0.00
August 3	90	78	0.02
August 4	92	78	0.01
August 5	87	78	0.44
August 6	91	80	0.00
August 7	89	76	0.26
August 8	90	76	0.08
August 9	91	79	0.00
August 10	88	76	0.14
August 11	87	77	0.08
August 12	86	76	0.36
August 13	93	74	0.22
August 14	90	79	0.00
August 15	89	77	0.00
August 16	90	76	0.00
August 17	90	76	0.06
August 18	90	77	0.22
August 19	90	77	0.66
August 20	89	75	0.40
August 21	90	78	0.00
August 22	89	80	0.00
August 23	88	75	0.26
August 24	92	78	0.02
August 25	93	81	0.00
August 26	90	79	0.00
August 27	90	78	0.00
August 28	91	79	0.01
August 29	91	78	0.08
August 30	91	78	0.00
August 31	91	79	0.00

September 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	97	77	0.00
September 2	91	76	0.00
September 3	90	78	0.00
September 4	91	76	0.00
September 5	96	77	0.00
September 6	94	77	0.10
September 7	91	78	0.55
September 8	88	78	0.53
September 9	94	78	0.00
September 10	93	80	0.02
September 11	90	79	0.29
September 12	89	76	0.84
September 13	90	77	0.14
September 14	92	77	0.02
September 15	90	76	0.00
September 16	90	79	0.02
September 17	91	77	0.13
September 18	90	78	0.07
September 19	86	77	0.10
September 20	95	78	0.00
September 21	94	78	0.00
September 22	94	77	0.00
September 23	91	76	0.00
September 24	91	77	0.17
September 25	90	77	0.00
September 26	90	78	0.00
September 27	91	76	0.00
September 28	90	76	0.00
September 29	90	75	0.00
September 30	92	78	0.00

October 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	91	78	0.40
October 2	95	79	0.00
October 3	95	79	0.00
October 4	90	80	0.00
October 5	91	78	0.14
October 6	92	77	0.00
October 7	91	75	0.00
October 8	97	75	0.00
October 9	98	76	0.00
October 10	92	77	0.00
October 11	91	77	0.00
October 12	94	77	0.00
October 13	94	76	0.00
October 14	97	76	0.00
October 15	95	77	0.01
October 16	89	77	0.00
October 17	92	78	0.00
October 18	92	77	0.15
October 19	90	76	0.22
October 20	93	77	0.00
October 21	89	75	0.45
October 22	87	73	1.77
October 23	87	74	0.00
October 24	87	74	2.67
October 25	89	74	1.27
October 26	86	73	0.23
October 27	86	73	0.06
October 28	83	73	0.02
October 29	87	73	0.02
October 30	87	72	0.01
October 31	88	73	1.90

November 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	86	74	0.23
November 2	83	73	0.56
November 3	89	74	1.17
November 4	87	75	0.43
November 5	88	75	0.00
November 6	96	76	0.00
November 7	95	77	0.90
November 8	89	74	0.53
November 9	85	74	0.42
November 10	86	77	0.00
November 11	87	71	0.10
November 12	88	72	0.00
November 13	87	76	0.02
November 14	92	77	0.00
November 15	89	75	0.00
November 16	88	72	0.00
November 17	89	75	0.00
November 18	88	76	0.26
November 19	87	76	0.02
November 20	88	76	0.00
November 21	89	74	0.00
November 22	91	74	0.00
November 23	88	74	0.00
November 24	93	76	0.00
November 25	90	77	0.00
November 26	86	75	0.13
November 27	88	77	0.00
November 28	87	77	0.00
November 29	86	74	0.00
November 30	87	71	0.17

December 1981 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	85	73	0.03
December 2	85	75	0.06
December 3	85	74	0.19
December 4	84	76	0.00
December 5	85	72	0.01
December 6	80	72	0.36
December 7	82	73	0.82
December 8	90	74	0.00
December 9	91	73	0.00
December 10	91	76	0.12
December 11	78	71	0.37
December 12	76	74	6.96
December 13	84	74	1.45
December 14	79	73	1.68
December 15	87	74	0.00
December 16	85	74	0.04
December 17	85	75	0.05
December 18	80	72	0.05
December 19	85	71	0.00
December 20	85	71	0.00
December 21	84	73	0.21
December 22	85	73	0.05
December 23	85	73	0.00
December 24	84	77	0.02
December 25	84	74	0.22
December 26	84	74	0.66
December 27	79	73	1.90
December 28	84	72	0.23
December 29	84	73	0.19
December 30	82	73	0.78
December 31	85	73	0.36

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Weather Station Details

Years	Station	Coordinates
1956–2024	San Juan Airport	location