232
CDUS46 KMTR 100042
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
442 PM PST TUE DEC 09 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 58 3:13 PM 71 1893 60 -2 69
2015
MINIMUM 41 1:45 AM 25 2013 42 -1 41
AVERAGE 50 51 -1 55
PRECIPITATION (IN)
TODAY 0.00 0.85 1954 0.08 -0.08 0.00
MONTH TO DATE 0.00 0.63 -0.63 0.00
SINCE OCT 1 4.08 2.49 1.59 1.32
SINCE JAN 1 10.19 11.82 -1.63 14.95
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 15 14 1 10
MONTH TO DATE 129 123 6 63
SINCE DEC 1 129 123 6 63
SINCE JUL 1 389 488 -99 289
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 2 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 2.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 64 3:00 PM
AVERAGE 81
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 70 2017
MINIMUM TEMPERATURE (F) 42 24 1972
SUNRISE AND SUNSET
DECEMBER 9 2025......SUNRISE 7:11 AM PST SUNSET 4:50 PM PST
DECEMBER 10 2025......SUNRISE 7:11 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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