Climatological Report (Monthly) 
Issued by NWS San Juan, PR
        
        
                
        
            
        Issued by NWS San Juan, PR
430
CXCA52 TJSJ 010905
CLMSJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
505 AM AST SAT NOV 01 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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             98   10/09/1981
 LOW              67   10/20/1959
HIGHEST           94   10/01         93       1       96
                       10/17
LOWEST            75   10/16         72       3       74
                       10/22
AVG. MAXIMUM    89.8               88.6     1.2     91.4
AVG. MINIMUM    77.9               76.7     1.2     79.8
MEAN            83.9               82.7     1.2     85.6
DAYS MAX >= 90    15                9.5     5.5       28
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       15.06   1970
 MINIMUM        1.17   1979
TOTALS          5.73               5.21    0.52     8.97
DAILY AVG.      0.18               0.17    0.01     0.29
DAYS >= .01       24               17.7     6.3       MM
DAYS >= .10       12               10.6     1.4       MM
DAYS >= .50        3                3.0     0.0       MM
DAYS >= 1.00       1                1.2    -0.2       MM
GREATEST
 24 HR. TOTAL   1.08   10/22 TO 10/22
 STORM TOTAL    1.08
DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    593                547      46      645
 SINCE 1/1      5214
FREEZE DATES
..............................................................
WIND (MPH)
AVERAGE WIND SPEED              5.4
HIGHEST WIND SPEED/DIRECTION    28/280    DATE  10/16
HIGHEST GUST SPEED/DIRECTION    39/160    DATE  10/24
SKY COVER
AVERAGE SKY COVER           0.42
AVERAGE RH (PERCENT)     74
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
HAZE                      1
-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
$$