365
CDCA42 TJSJ 210910
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
510 AM AST WED JAN 21 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 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 84 1:05 PM 91 2024 83 1 85
MINIMUM 73 5:14 AM 64 2000 72 1 74
AVERAGE 79 77 2 80
PRECIPITATION (IN)
YESTERDAY 0.09 2.63 1977 0.13 -0.04 0.21
MONTH TO DATE 0.78 2.78 -2.00 2.00
SINCE DEC 1 5.68 7.63 -1.95 6.85
SINCE JAN 1 0.78 2.78 -2.00 2.00
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 14 12 2 15
MONTH TO DATE 264 250 14 287
SINCE DEC 1 711 676 35 798
SINCE JAN 1 264 250 14 287
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 9.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91
LOWEST 67
AVERAGE 79
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 91 1995
MINIMUM TEMPERATURE (F) 72 62 1956
SUNRISE AND SUNSET
JANUARY 21 2026.......SUNRISE 6:59 AM AST SUNSET 6:12 PM AST
JANUARY 22 2026.......SUNRISE 6:59 AM AST SUNSET 6:12 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