• 000 FZNT26 KNHC 271423 OFFN05 NAVTEX MARINE FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1023 AM EDT FRI MAR 27 2015 ...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL WATERS FORECASTS... .SYNOPSIS...MODERATE TO LOCALLY FRESH TRADES EXPECTED THROUGH THE WEEKEND. A DISSIPATING FRONTAL BOUNDARY WILL MOVE INTO THE TROPICAL WATERS N OF THE LEEWARDS EARLY NEXT WEEK. SAN JUAN ATLANTIC WATERS .THIS AFTERNOON...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT...SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. .SAT NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN NIGHT...E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. .MON...E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TUE...E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. SAN JUAN CARIBBEAN WATERS .THIS AFTERNOON...E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. .TONIGHT...E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. .SAT...E WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

San Juan Puerto Rico

Weather

Weather

National Weather Service Statistics for San Juan, Puerto Rico

Average Temperature

ANNUAL 

JAN 

FEB 

MAR 

APR 

MAY 

JUN 

JUL 

AUG 

SEP 

OCT 

NOV 

DEC 

F

80.2

76.9

77.1

78.1

79.4

80.9

82.4

82.6

82.8

82.6

81.9

79.9

78

Average High Temperature

ANNUAL 

JAN 

FEB 

MAR 

APR 

MAY 

JUN 

JUL 

AUG 

SEP 

OCT 

NOV 

DEC 

F

86.4

83.1

83.6

84.7

85.8

87.2

88.6

88.5

88.8

88.9

88.3

85.9

83.9

Average Low Temperature

ANNUAL 

JAN 

FEB 

MAR 

APR 

MAY 

JUN 

JUL 

AUG 

SEP 

OCT 

NOV 

DEC 

F

74

70.7

70.6

71.4

72.9

74.7

76.1

76.7

76.8

76.3

75.5

73.9

72.2

Average Precipitation

ANNUAL 

JAN 

FEB 

MAR 

APR 

MAY 

JUN 

JUL 

AUG 

SEP 

OCT 

NOV 

DEC 

in.

55

3.4

2.2

2.2

4.2

5.8

4.5

4.8

5.6

5.8

5.6

6.1

4.8

Average Number of Days With Precipitation

ANNUAL 

JAN 

FEB 

MAR 

APR 

MAY 

JUN 

JUL 

AUG 

SEP 

OCT 

NOV 

DEC 

Days

198

17

13

12

13

16

15

19

19

17

17

19

19

Hurricane Season extends from August through November with September being the most active month for hurricanes. Hurricanes are generally predicted several days in advance.

A cyclone of tropical storm strength passes near Puerto Rico, on average, every 5 years.  A hurricane passes in the vicinity of the island, on average, every 11 years. Only one category 5 hurricane has struck the island since 1851.

 

Puerto Rico Weather