403  
CDUS46 KMTR 260033  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
533 PM PDT SUN MAY 25 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 25 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 70 1:18 PM 95 1951 75 -5 69  
1982  
2020  
MINIMUM 50 5:31 AM 39 1893 53 -3 53  
AVERAGE 60 64 -4 61  
 
PRECIPITATION (IN)  
TODAY 0.00 1.06 1934 0.01 -0.01 0.00  
MONTH TO DATE 0.11 0.34 -0.23 0.67  
SINCE OCT 1 9.31 13.13 -3.82 17.06  
SINCE JAN 1 5.67 8.98 -3.31 13.63  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 5 2 3 4  
MONTH TO DATE 59 91 -32 45  
SINCE MAR 1 542 566 -24 418  
SINCE JUL 1 1713 2149 -436 1482  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 16 30 -14 36  
SINCE MAR 1 22 43 -21 51  
SINCE JAN 1 22 43 -21 51    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 4:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 97 2020  
MINIMUM TEMPERATURE (F) 53 38 1911  
1918  
 
SUNRISE AND SUNSET  
MAY 25 2025...........SUNRISE 5:52 AM PDT SUNSET 8:18 PM PDT  
MAY 26 2025...........SUNRISE 5:51 AM PDT SUNSET 8:19 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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