020
CXCA52 TJSJ 010949
CLMSJU

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
549 AM AST MON SEP 01 2025

...................................

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             97   08/21/1980
 LOW              68   08/12/1904
HIGHEST           93   08/03         92       1       95
                       08/19
LOWEST            76   08/17         73       3       77
                       08/23
AVG. MAXIMUM    89.7               89.1     0.6     91.0
AVG. MINIMUM    79.1               77.8     1.3     80.5
MEAN            84.4               83.5     0.9     85.8
DAYS MAX >= 90    18               12.8     5.2       30
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       18.56   2011
 MINIMUM        1.53   1919
TOTALS          9.64               6.29    3.35     9.16
DAILY AVG.      0.31               0.20    0.11     0.30
DAYS >= .01       23               19.8     3.2       24
DAYS >= .10       15               11.0     4.0       13
DAYS >= .50        7                3.7     3.3        6
DAYS >= 1.00       2                1.5     0.5        2
GREATEST
 24 HR. TOTAL   2.67   08/30 TO 08/31
 STORM TOTAL    2.45


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    608                572      36      653
 SINCE 1/1      4045

FREEZE DATES
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    31/290    DATE  08/16
HIGHEST GUST SPEED/DIRECTION    45/300    DATE  08/16

SKY COVER
AVERAGE SKY COVER           0.43

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$