900  
CDUS46 KMTR 030838  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1238 AM PST WED DEC 03 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 2 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 2:50 PM 75 1958 61 3 71  
MINIMUM 40 2:08 AM 26 1906 43 -3 47  
AVERAGE 52 52 0 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 2014 0.07 -0.07 0.00  
MONTH TO DATE 0.00 0.13 -0.13 0.00  
SINCE OCT 1 4.08 1.99 2.09 1.32  
SINCE JAN 1 10.19 11.32 -1.13 14.95  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 13 0 6  
MONTH TO DATE 30 26 4 11  
SINCE DEC 1 30 26 4 11  
SINCE JUL 1 290 391 -101 237  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 602 624 -22 1215    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 2:00 AM  
LOWEST 46 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 75 1958  
MINIMUM TEMPERATURE (F) 43 29 1909  
 
SUNRISE AND SUNSET  
DECEMBER 3 2025......SUNRISE 7:05 AM PST SUNSET 4:50 PM PST  
DECEMBER 4 2025......SUNRISE 7:06 AM PST SUNSET 4:50 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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