San Juan Weather in 1977

Historical record of San Juan, Puerto Rico weather for the year 1977 based on NOAA data.

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1977 San Juan Weather Extremes
Highest temperature	94 °F	April 17
Lowest temperature	66 °F	February 2
Highest daily low	80 °F	June 21
Lowest daily high	74 °F	January 21
Most daily precipitation	3.9 inches	November 24
Most daily snow	none	-
Total annual precipitation	52.8 inches	-
Total annual snow	none	-

What was the hottest temperature in San Juan in 1977?

The highest temperature recorded in San Juan, Puerto Rico in 1977 was 94 °F which happened on April 17.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Juan in 1977

Rank	Temperature	Date
1	94 °F	Apr 17
2	93 °F	May 14
2	93 °F	May 13
2	93 °F	May 12
2	93 °F	May 10
6	92 °F	Oct 20
6	92 °F	Sep 28
6	92 °F	Jun 7
6	92 °F	May 19
6	92 °F	May 9
6	92 °F	Apr 15

What was the coldest temperature in San Juan in 1977?

The lowest temperature recorded in San Juan, Puerto Rico in 1977 was 66 °F which happened 3 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Juan in 1977

Rank	Temperature	Date
1	66 °F	February 2
1	66 °F	January 30
1	66 °F	January 25
4	68 °F	February 17
4	68 °F	January 26
4	68 °F	January 24
7	69 °F	April 26
7	69 °F	March 24
7	69 °F	February 12
7	69 °F	February 1
7	69 °F	January 31
7	69 °F	January 29
7	69 °F	January 28
7	69 °F	January 27
7	69 °F	January 23
7	69 °F	January 21
7	69 °F	January 9

January 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	85	70	0.02
January 2	85	70	0.00
January 3	83	71	0.04
January 4	85	71	0.18
January 5	85	74	0.01
January 6	86	72	0.00
January 7	85	71	0.00
January 8	87	70	0.00
January 9	86	69	0.00
January 10	86	70	0.02
January 11	85	72	0.03
January 12	86	75	0.00
January 13	84	74	0.00
January 14	83	71	0.70
January 15	82	71	0.13
January 16	85	72	0.00
January 17	86	71	0.00
January 18	88	74	0.00
January 19	90	75	0.00
January 20	83	71	2.63
January 21	74	69	0.68
January 22	81	70	0.00
January 23	75	69	2.23
January 24	84	68	0.86
January 25	81	66	0.00
January 26	81	68	0.00
January 27	83	69	0.00
January 28	82	69	0.00
January 29	82	69	0.00
January 30	81	66	0.00
January 31	81	69	0.07

February 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	83	69	0.02
February 2	81	66	0.00
February 3	84	71	0.09
February 4	85	73	0.00
February 5	88	70	0.00
February 6	83	71	0.09
February 7	80	71	0.01
February 8	82	72	0.28
February 9	84	71	0.00
February 10	83	70	0.00
February 11	84	71	0.00
February 12	83	69	0.00
February 13	84	71	0.00
February 14	85	70	0.02
February 15	86	71	0.00
February 16	84	71	0.00
February 17	86	68	0.00
February 18	83	70	0.00
February 19	83	72	0.07
February 20	88	71	0.20
February 21	87	71	0.00
February 22	85	70	0.00
February 23	85	70	0.10
February 24	84	73	0.11
February 25	87	72	0.00
February 26	84	73	0.00
February 27	84	73	0.03
February 28	84	72	0.00

March 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	84	70	0.00
March 2	83	71	0.00
March 3	85	74	0.00
March 4	85	75	0.00
March 5	85	74	0.02
March 6	86	72	0.00
March 7	84	72	0.15
March 8	83	71	0.06
March 9	84	72	0.04
March 10	87	72	0.00
March 11	85	73	0.00
March 12	85	70	0.00
March 13	85	70	0.00
March 14	84	70	0.00
March 15	80	72	0.02
March 16	82	73	0.00
March 17	86	71	0.13
March 18	81	73	0.00
March 19	85	72	0.15
March 20	86	72	0.09
March 21	86	73	0.01
March 22	88	72	0.00
March 23	86	72	0.00
March 24	86	69	0.00
March 25	86	71	0.00
March 26	86	73	0.00
March 27	80	73	1.06
March 28	83	73	0.00
March 29	83	73	0.00
March 30	84	75	0.00
March 31	84	73	0.00

April 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	85	72	0.00
April 2	86	75	0.00
April 3	86	74	0.00
April 4	86	74	0.00
April 5	86	72	0.00
April 6	86	74	0.06
April 7	84	73	0.01
April 8	86	73	0.02
April 9	87	73	0.00
April 10	87	74	0.00
April 11	87	75	0.00
April 12	83	74	0.05
April 13	87	72	0.04
April 14	86	73	0.04
April 15	92	74	0.00
April 16	91	76	0.00
April 17	94	76	0.00
April 18	91	76	0.00
April 19	88	76	0.04
April 20	88	71	0.26
April 21	84	74	0.00
April 22	85	74	0.27
April 23	86	75	0.05
April 24	85	74	0.00
April 25	87	72	0.00
April 26	90	69	0.00
April 27	87	72	0.00
April 28	87	73	0.04
April 29	84	71	0.08
April 30	85	71	0.00

May 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	86	72	0.00
May 2	85	72	0.07
May 3	85	73	0.04
May 4	86	73	0.04
May 5	86	72	0.00
May 6	86	73	0.00
May 7	87	74	0.00
May 8	84	72	0.00
May 9	92	74	0.00
May 10	93	76	0.00
May 11	91	76	0.00
May 12	93	77	0.00
May 13	93	73	0.00
May 14	93	77	0.00
May 15	88	77	0.00
May 16	86	75	0.12
May 17	84	74	0.26
May 18	89	74	0.00
May 19	92	74	0.00
May 20	87	73	0.00
May 21	80	76	0.14
May 22	88	76	0.06
May 23	78	73	1.85
May 24	85	74	0.00
May 25	85	74	0.00
May 26	84	75	0.78
May 27	83	75	0.68
May 28	89	75	0.00
May 29	91	76	0.00
May 30	88	78	0.00
May 31	88	76	0.00

June 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	87	74	0.00
June 2	87	75	0.00
June 3	86	73	0.38
June 4	86	75	0.01
June 5	86	75	0.00
June 6	88	74	0.00
June 7	92	74	0.00
June 8	90	76	0.00
June 9	88	78	0.00
June 10	87	77	0.00
June 11	89	75	0.00
June 12	89	74	0.05
June 13	88	73	0.01
June 14	88	75	0.00
June 15	87	75	0.18
June 16	87	75	0.16
June 17	89	78	0.00
June 18	88	78	0.00
June 19	87	79	0.06
June 20	88	79	0.00
June 21	87	80	0.00
June 22	88	79	0.00
June 23	88	76	0.21
June 24	87	78	0.00
June 25	88	76	0.00
June 26	88	76	0.01
June 27	88	74	0.41
June 28	87	78	0.00
June 29	87	76	0.00
June 30	87	76	0.01

July 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	87	75	0.12
July 2	87	74	0.03
July 3	88	76	0.00
July 4	88	76	0.00
July 5	87	76	0.03
July 6	85	74	0.14
July 7	89	75	0.00
July 8	88	76	0.00
July 9	88	76	0.00
July 10	88	76	0.00
July 11	88	75	0.00
July 12	89	75	0.37
July 13	83	72	0.57
July 14	87	73	0.25
July 15	88	72	0.58
July 16	86	75	0.00
July 17	84	74	1.37
July 18	87	74	0.00
July 19	87	76	0.00
July 20	86	74	0.26
July 21	86	75	0.00
July 22	86	74	0.00
July 23	86	75	0.00
July 24	85	74	0.21
July 25	85	75	0.09
July 26	86	75	0.00
July 27	87	74	0.32
July 28	85	75	0.23
July 29	85	77	0.00
July 30	86	75	0.02
July 31	85	73	0.05

August 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	85	75	0.05
August 2	85	75	0.10
August 3	80	71	0.77
August 4	85	74	0.28
August 5	83	76	0.89
August 6	86	76	0.02
August 7	85	74	0.07
August 8	86	75	0.00
August 9	87	76	0.00
August 10	87	76	0.00
August 11	85	75	0.19
August 12	87	74	0.00
August 13	85	74	0.22
August 14	85	75	0.10
August 15	85	75	0.00
August 16	87	76	0.00
August 17	87	78	0.04
August 18	91	75	0.04
August 19	90	77	0.02
August 20	89	78	0.00
August 21	87	75	0.40
August 22	88	75	0.00
August 23	88	76	0.26
August 24	85	75	0.38
August 25	89	77	0.03
August 26	88	76	0.00
August 27	87	76	0.35
August 28	89	76	0.01
August 29	87	75	0.14
August 30	84	75	0.01
August 31	88	75	0.05

September 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	89	75	0.12
September 2	90	75	0.00
September 3	88	76	0.07
September 4	89	75	0.00
September 5	89	75	0.00
September 6	80	73	2.55
September 7	88	75	0.00
September 8	87	77	0.00
September 9	88	76	0.00
September 10	87	76	0.17
September 11	85	76	0.37
September 12	86	76	0.00
September 13	87	75	0.04
September 14	85	73	0.24
September 15	86	74	0.00
September 16	87	75	0.12
September 17	86	76	0.08
September 18	84	76	0.05
September 19	87	75	0.02
September 20	87	77	0.09
September 21	82	75	0.22
September 22	83	75	0.02
September 23	85	73	0.53
September 24	87	76	0.00
September 25	88	76	0.00
September 26	86	76	0.02
September 27	87	76	0.00
September 28	92	77	0.00
September 29	89	75	0.00
September 30	89	76	0.00

October 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	88	75	0.28
October 2	88	79	0.00
October 3	88	78	0.00
October 4	89	78	0.56
October 5	86	77	0.00
October 6	84	74	2.18
October 7	86	75	0.91
October 8	84	75	0.00
October 9	86	76	0.00
October 10	88	76	0.00
October 11	88	77	0.20
October 12	88	75	0.08
October 13	90	75	0.00
October 14	88	75	0.00
October 15	87	77	0.13
October 16	87	75	0.02
October 17	87	76	0.01
October 18	87	76	0.00
October 19	91	75	0.00
October 20	92	76	0.00
October 21	89	75	0.03
October 22	87	76	0.12
October 23	88	76	0.00
October 24	87	76	0.00
October 25	87	77	0.11
October 26	88	77	0.00
October 27	88	77	0.00
October 28	89	78	0.00
October 29	87	76	0.41
October 30	87	77	0.48
October 31	86	75	0.42

November 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	87	75	0.18
November 2	89	78	0.00
November 3	88	76	0.04
November 4	86	75	0.06
November 5	86	75	0.24
November 6	86	75	0.17
November 7	85	73	0.00
November 8	86	75	0.07
November 9	87	76	0.57
November 10	88	75	0.26
November 11	87	74	0.00
November 12	87	76	0.00
November 13	87	74	0.00
November 14	87	75	0.00
November 15	87	74	0.04
November 16	84	75	0.11
November 17	86	74	0.18
November 18	88	75	0.29
November 19	87	76	0.00
November 20	87	75	0.06
November 21	86	75	0.56
November 22	78	75	3.58
November 23	79	74	0.97
November 24	81	74	3.87
November 25	84	74	0.61
November 26	86	76	0.00
November 27	83	75	0.16
November 28	88	74	0.05
November 29	85	76	0.32
November 30	84	75	0.05

December 1977 San Juan Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	85	74	0.01
December 2	86	75	0.02
December 3	86	75	0.00
December 4	87	76	0.00
December 5	85	75	0.00
December 6	87	76	0.25
December 7	89	74	0.00
December 8	85	74	0.11
December 9	83	75	0.10
December 10	86	74	0.05
December 11	85	73	0.10
December 12	80	74	1.69
December 13	84	75	0.04
December 14	84	75	0.01
December 15	83	74	0.11
December 16	84	73	0.01
December 17	85	71	0.00
December 18	86	70	0.00
December 19	84	70	0.00
December 20	86	71	0.00
December 21	83	76	0.25
December 22	82	75	0.12
December 23	86	73	0.22
December 24	84	73	0.46
December 25	84	75	0.10
December 26	87	73	0.00
December 27	87	73	0.00
December 28	84	72	0.00
December 29	85	73	0.00
December 30	84	75	0.01
December 31	83	75	0.16

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Weather Station Details

Years	Station	Coordinates
1956–2024	San Juan Airport	location