


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
749 CXUS56 KMTR 010829 CLMSJC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT FRI AUG 01 2025 ................................... ...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1893 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 108 07/14/1972 07/07/1905 LOW 40 07/01/1896 07/30/1895 07/25/1893 HIGHEST 87 07/10 102 07/02 LOWEST 52 07/05 60 07/21 07/26 07/28 AVG. MAXIMUM 77.7 80.8 -3.1 87.5 AVG. MINIMUM 57.6 58.1 -0.5 63.5 MEAN 67.7 75.5 DAYS MAX >= 90 0 14 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) TOTALS 0.00R 0.00 0.00 T DAILY AVG. 0.00 0.00 0.00 T DAYS >= .01 0 0 DAYS >= .10 0 0 DAYS >= .50 0 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.00 06/30 TO 06/30 T 07/24 TO 07/24 07/17 TO 07/17 07/15 TO 07/15 DEGREE DAYS HEATING TOTAL 1 4 -3 0 SINCE 7/1 1 0 1 MM COOLING TOTAL 89 142 -53 335 SINCE 1/1 170 286 -116 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.6 RESULTANT WIND SPEED/DIRECTION 5/330 HIGHEST WIND SPEED/DIRECTION 24/340 DATE 07/04 HIGHEST GUST SPEED/DIRECTION 34/320 DATE 07/04 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.33 NUMBER OF DAYS FAIR 15 NUMBER OF DAYS PC 16 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 0 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 1 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. $$