406
CXCA52 TJSJ 010902
CLMIST

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
502 AM AST THU JAN 01 2026

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

...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             92   12/25/1995
                       12/11/1995
                       12/04/1995
 LOW              62   12/05/1972
HIGHEST           90   12/05         88       2       87
                       12/06
                       12/07
LOWEST            69   12/28         77      -8       71
AVG. MAXIMUM    87.3               85.2     2.1     85.1
AVG. MINIMUM    76.6               74.9     1.7     75.3
MEAN            81.9               80.1     1.8     80.2
DAYS MAX >= 90     3                1.8     1.2        0
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        9.87   1960
 MINIMUM        0.63   1963
TOTALS          1.10               2.93   -1.83     4.82
DAILY AVG.      0.04               0.09   -0.05     0.16
DAYS >= .01       16               17.4    -1.4       20
DAYS >= .10        4                7.6    -3.6       10
DAYS >= .50        0                1.2    -1.2        3
DAYS >= 1.00       0                0.7    -0.7        1
GREATEST
 24 HR. TOTAL   0.85   12/24 TO 12/25
 STORM TOTAL    0.36


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    449                467     -18      479
 SINCE 1/1      5826

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

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    25/120    DATE  12/07
HIGHEST GUST SPEED/DIRECTION    37/120    DATE  12/07

SKY COVER
AVERAGE SKY COVER           0.31

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

$$