083  
CDUS46 KMTR 290829  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT THU MAY 29 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 28 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 MM MM 97 1984 76 MM 76  
MINIMUM 57 11:59 PM 41 1927 54 3 54  
AVERAGE MM 65 MM 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 1906 0.01 -0.01 0.00  
MONTH TO DATE 0.11 0.37 -0.26 0.67  
SINCE OCT 1 9.31 13.16 -3.85 17.06  
SINCE JAN 1 5.67 9.01 -3.34 13.63  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 2 MM 0  
MONTH TO DATE 62 97 -35 48  
SINCE MAR 1 545 572 -27 421  
SINCE JUL 1 1716 2155 -439 1485  
 
COOLING  
YESTERDAY MM 2 MM 0  
MONTH TO DATE 16 36 -20 36  
SINCE MAR 1 22 49 -27 51  
SINCE JAN 1 22 49 -27 51    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 12:00 AM  
LOWEST 58 6:00 PM  
AVERAGE 72  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 99 1950  
MINIMUM TEMPERATURE (F) 54 36 1895  
 
SUNRISE AND SUNSET  
MAY 29 2025...........SUNRISE 5:50 AM PDT SUNSET 8:21 PM PDT  
MAY 30 2025...........SUNRISE 5:49 AM PDT SUNSET 8:22 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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