


Climatological Report (Monthly)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
797 CXCA52 TJSJ 010915 CLMSJU CLIMATE REPORT NATIONAL WEATHER SERVICE SAN JUAN PR 515 AM AST FRI AUG 01 2025 ................................... ...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF JULY 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 95 07/10/1981 LOW 69 07/01/1959 07/12/1952 07/11/1952 HIGHEST 92 07/05 92 0 94 LOWEST 76 07/02 73 3 78 07/08 07/19 AVG. MAXIMUM 89.4 88.7 0.7 90.9 AVG. MINIMUM 78.0 77.6 0.4 80.5 MEAN 83.7 83.1 0.6 85.7 DAYS MAX >= 90 12 10.1 1.9 27 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 14.17 2013 MINIMUM 1.10 1929 TOTALS 5.57 6.02 -0.45 4.76 DAILY AVG. 0.18 0.19 -0.01 0.15 DAYS >= .01 28 19.0 9.0 27 DAYS >= .10 17 10.7 6.3 10 DAYS >= .50 3 3.6 -0.6 4 DAYS >= 1.00 1 1.4 -0.4 0 GREATEST 24 HR. TOTAL MM STORM TOTAL 1.04 DEGREE DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 COOLING TOTAL 586 563 23 647 SINCE 1/1 3437 FREEZE DATES .............................................................. WIND (MPH) AVERAGE WIND SPEED 10.8 HIGHEST WIND SPEED/DIRECTION 30/080 DATE 07/20 HIGHEST GUST SPEED/DIRECTION 36/080 DATE 07/16 36/080 07/20 SKY COVER AVERAGE SKY COVER 0.42 AVERAGE RH (PERCENT) 75 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 4 LIGHT RAIN 17 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 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$