068
CDUS46 KMTR 160835
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST TUE DEC 16 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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 56 2:47 PM 68 1958 59 -3 61
1980
1998
MINIMUM 44 10:43 AM 25 1932 42 2 40
AVERAGE 50 50 0 51
PRECIPITATION (IN)
YESTERDAY 0.00 0.90 1990 0.07 -0.07 0.00
MONTH TO DATE 0.00 1.08 -1.08 1.39
SINCE OCT 1 4.08 2.94 1.14 2.71
SINCE JAN 1 10.19 12.27 -2.08 16.34
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 15 15 0 14
MONTH TO DATE 226 209 17 129
SINCE DEC 1 226 209 17 129
SINCE JUL 1 486 574 -88 355
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 (320)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 2.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 62 4:00 PM
AVERAGE 81
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 72 1998
MINIMUM TEMPERATURE (F) 42 27 1893
1965
SUNRISE AND SUNSET
DECEMBER 16 2025......SUNRISE 7:16 AM PST SUNSET 4:52 PM PST
DECEMBER 17 2025......SUNRISE 7:16 AM PST SUNSET 4:52 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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