793
CDUS46 KMTR 140045
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
445 PM PST SAT DEC 13 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 2025
VALID TODAY AS OF 0400 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 57 3:55 PM 70 1911 59 -2 63
1953
1958
MINIMUM 36 5:45 AM 21 1932 42 -6 53
AVERAGE 47 50 -3 58
PRECIPITATION (IN)
TODAY 0.00 2.23 2021 0.07 -0.07 0.00
MONTH TO DATE 0.00 0.93 -0.93 0.49
SINCE OCT 1 4.08 2.79 1.29 1.81
SINCE JAN 1 10.19 12.12 -1.93 15.44
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 18 14 4 7
MONTH TO DATE 192 179 13 104
SINCE DEC 1 192 179 13 104
SINCE JUL 1 452 544 -92 330
COOLING
TODAY 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 N (340)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 1.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 59 3:00 PM
AVERAGE 78
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 73 1958
MINIMUM TEMPERATURE (F) 42 25 1919
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 7:14 AM PST SUNSET 4:51 PM PST
DECEMBER 14 2025......SUNRISE 7:14 AM PST SUNSET 4:51 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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