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CDCA42 TJSJ 210921
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
521 AM AST MON JUL 21 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 20 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 89 12:46 PM 92 1995 89 0 92
2024
MINIMUM 77 6:21 AM 71 1939 78 -1 81
AVERAGE 83 83 0 87
PRECIPITATION (IN)
YESTERDAY 0.09 2.41 1915 0.21 -0.12 0.02
MONTH TO DATE 3.60 3.77 -0.17 2.85
SINCE JUN 1 7.61 8.43 -0.82 6.26
SINCE JAN 1 32.01 27.40 4.61 39.14
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 18 18 0 22
MONTH TO DATE 375 360 15 420
SINCE JUN 1 902 903 -1 1059
SINCE JAN 1 3226 3036 190 3571
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 7.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 59
AVERAGE 74
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1981
MINIMUM TEMPERATURE (F) 78 71 1957
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 5:58 AM AST SUNSET 7:03 PM AST
JULY 22 2025..........SUNRISE 5:59 AM AST SUNSET 7:02 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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