266
CDCA42 TJSJ 210851
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST THU AUG 21 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 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 92 2:28 PM 96 1980 89 3 91
MINIMUM 80 5:37 AM 69 1904 78 2 82
AVERAGE 86 84 2 87
PRECIPITATION (IN)
YESTERDAY 0.00 3.10 1901 0.20 -0.20 0.02
MONTH TO DATE 5.45 3.86 1.59 7.05
SINCE JUN 1 15.03 14.54 0.49 15.22
SINCE JAN 1 39.43 33.51 5.92 48.10
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 22
MONTH TO DATE 389 360 29 424
SINCE JUN 1 1502 1466 36 1710
SINCE JAN 1 3826 3599 227 4222
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 65
AVERAGE 74
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 97 1980
MINIMUM TEMPERATURE (F) 78 72 1956
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 6:07 AM AST SUNSET 6:46 PM AST
AUGUST 22 2025........SUNRISE 6:08 AM AST SUNSET 6:46 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page