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CDCA42 TJSJ 210820
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
420 AM AST TUE JUL 21 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 20 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 91 12:32 PM 92 1995 89 2 89
2024
MINIMUM 81 6:35 AM 71 1939 78 3 77
AVERAGE 86 83 3 83
PRECIPITATION (IN)
YESTERDAY 0.00 2.41 1915 0.21 -0.21 0.09
MONTH TO DATE 0.27 3.77 -3.50 3.60
SINCE JUN 1 1.79 8.43 -6.64 7.61
SINCE JAN 1 22.74 27.40 -4.66 32.01
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 21 18 3 18
MONTH TO DATE 404 360 44 375
SINCE JUN 1 990 903 87 902
SINCE JAN 1 3243 3036 207 3226
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 13.5
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79
LOWEST 56
AVERAGE 68
......................................................
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 2026..........SUNRISE 5:58 AM AST SUNSET 7:03 PM AST
JULY 22 2026..........SUNRISE 5:58 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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