685
CDUS46 KMTR 300829
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1229 AM PST TUE DEC 30 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 29 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 62 3:51 PM 71 2023 59 3 65
MINIMUM 35 7:14 AM 21 1895 41 -6 49
AVERAGE 49 50 -1 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.86 1965 0.08 -0.08 0.06
MONTH TO DATE 1.00 2.15 -1.15 2.32
SINCE OCT 1 5.08 4.01 1.07 3.64
SINCE JAN 1 11.19 13.34 -2.15 17.27
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 16 15 1 8
MONTH TO DATE 336 419 -83 248
SINCE DEC 1 336 419 -83 248
SINCE JUL 1 596 784 -188 474
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE DEC 1 0 0 0 2
SINCE JAN 1 602 624 -22 1217
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 2.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 7:00 AM
LOWEST 39 2:00 PM
AVERAGE 66
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 66 1921
1958
2013
MINIMUM TEMPERATURE (F) 41 20 1895
SUNRISE AND SUNSET
DECEMBER 30 2025......SUNRISE 7:22 AM PST SUNSET 4:59 PM PST
DECEMBER 31 2025......SUNRISE 7:22 AM PST SUNSET 5:00 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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