025
CDUS46 KMTR 050037
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
437 PM PST THU DEC 04 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 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 2:53 PM 75 1958 61 -3 70
MINIMUM 39 7:24 AM 26 1909 42 -3 44
AVERAGE 49 51 -2 57
PRECIPITATION (IN)
TODAY 0.00 0.93 1951 0.07 -0.07 0.00
MONTH TO DATE 0.00 0.26 -0.26 0.00
SINCE OCT 1 4.08 2.12 1.96 1.32
SINCE JAN 1 10.19 11.45 -1.26 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 16 14 2 8
MONTH TO DATE 56 53 3 26
SINCE DEC 1 56 53 3 26
SINCE JUL 1 316 418 -102 252
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 S (180)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 4:00 AM
LOWEST 51 2:00 PM
AVERAGE 65
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 73 1925
MINIMUM TEMPERATURE (F) 42 29 1972
2013
SUNRISE AND SUNSET
DECEMBER 4 2025......SUNRISE 7:06 AM PST SUNSET 4:50 PM PST
DECEMBER 5 2025......SUNRISE 7:07 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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