778
CDUS46 KMTR 270842
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1242 AM PST SAT DEC 27 2025
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 26 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 61 12:44 PM 74 1967 59 2 66
MINIMUM 47 11:59 PM 22 1924 41 6 51
AVERAGE 54 50 4 59
PRECIPITATION (IN)
YESTERDAY 0.04 1.48 1948 0.08 -0.04 0.24
MONTH TO DATE 1.00 1.92 -0.92 2.20
SINCE OCT 1 5.08 3.78 1.30 3.52
SINCE JAN 1 11.19 13.11 -1.92 17.15
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 11 15 -4 6
MONTH TO DATE 290 374 -84 232
SINCE DEC 1 290 374 -84 232
SINCE JUL 1 550 739 -189 458
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 6 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 6:00 PM
LOWEST 55 1:00 PM
AVERAGE 72
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 73 1967
MINIMUM TEMPERATURE (F) 41 26 1912
SUNRISE AND SUNSET
DECEMBER 27 2025......SUNRISE 7:21 AM PST SUNSET 4:57 PM PST
DECEMBER 28 2025......SUNRISE 7:21 AM PST SUNSET 4:58 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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