050
CDUS46 KMTR 290049
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
449 PM PST SUN DEC 28 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 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 59 2:33 PM 72 2023 59 0 69
MINIMUM 38 4:56 AM 27 1918 41 -3 55
AVERAGE 49 50 -1 62
PRECIPITATION (IN)
TODAY 0.00 1.01 1941 0.08 -0.08 0.00
MONTH TO DATE 1.00 2.07 -1.07 2.26
SINCE OCT 1 5.08 3.93 1.15 3.58
SINCE JAN 1 11.19 13.26 -2.07 17.21
SNOWFALL (IN)
TODAY MM 0.0 1947
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
TODAY 16 15 1 3
MONTH TO DATE 320 404 -84 240
SINCE DEC 1 320 404 -84 240
SINCE JUL 1 580 769 -189 466
COOLING
TODAY 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 NW (330)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 3.7
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 5:00 AM
LOWEST 42 2:00 PM
AVERAGE 70
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 71 2023
MINIMUM TEMPERATURE (F) 41 21 1895
SUNRISE AND SUNSET
DECEMBER 28 2025......SUNRISE 7:21 AM PST SUNSET 4:58 PM PST
DECEMBER 29 2025......SUNRISE 7:21 AM PST SUNSET 4:59 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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