Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 010912
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
512 AM AST FRI AUG 01 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 31 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 90 2:58 PM 94 1980 89 1 89
MINIMUM 78 6:36 AM 71 1927 78 0 81
AVERAGE 84 83 1 85
PRECIPITATION (IN)
YESTERDAY 0.10 1.87 1937 0.19 -0.09 0.41
MONTH TO DATE 5.57 6.02 -0.45 4.76
SINCE JUN 1 9.58 10.68 -1.10 8.17
SINCE JAN 1 33.98 29.65 4.33 41.05
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 19 18 1 20
MONTH TO DATE 586 563 23 647
SINCE JUN 1 1113 1106 7 1286
SINCE JAN 1 3437 3239 198 3798
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 10.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 59
AVERAGE 72
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1980
MINIMUM TEMPERATURE (F) 78 70 1904
SUNRISE AND SUNSET
AUGUST 1 2025........SUNRISE 6:02 AM AST SUNSET 6:59 PM AST
AUGUST 2 2025........SUNRISE 6:02 AM AST SUNSET 6:58 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$