


Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
857 CXCA52 TJSJ 021733 CLSIST CLIMATE REPORT NATIONAL WEATHER SERVICE SAN JUAN PR 133 PM AST TUE SEP 02 2025 ................................... ...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2025 TO 8/31/2025... 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 99 06/23/1996 08/04/1994 08/08/1979 LOW 65 08/07/2001 HIGHEST 95 08/01 08/24 08/25 LOWEST 76 06/04 07/08 08/17 AVG. MAXIMUM 90.9 89.5 1.4 89.3 AVG. MINIMUM 80.4 79.4 1.0 79.6 MEAN 85.7 84.4 1.3 84.4 DAYS MAX >= 90 69 41.4 27.6 MM DAYS MAX <= 32 0 DAYS MIN <= 32 0 DAYS MIN <= 0 0 DAYS MIN >= 80 62 MM PRECIPITATION (INCHES) RECORD MAXIMUM 22.40 2010 MINIMUM 3.04 2015 TOTALS 5.55 9.63 -4.08 11.14 DAILY AVG. 0.06 0.10 -0.04 0.20 DAYS >= .01 38 41.5 -3.5 MM DAYS >= .10 14 18.6 -4.6 MM DAYS >= .50 1 5.3 -4.3 MM DAYS >= 1.00 1 2.0 -1.0 MM GREATEST 24 HR. TOTAL MM MM STORM TOTAL MM DEGREE DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 COOLING TOTAL 1858 1788 70 1553 SINCE 1/1 4279 FREEZE DATES .............................................................. WIND (MPH) AVERAGE WIND SPEED 11.4 HIGHEST WIND SPEED/DIRECTION 38/230 DATE 08/17 HIGHEST GUST SPEED/DIRECTION 57/240 DATE 08/17 SKY COVER AVERAGE SKY COVER 0.33 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 8 LIGHT RAIN 29 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 15 FOG W/VIS <= 1/4 MILE 0 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$