241
CDUS46 KMTR 050835
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST MON JAN 05 2026
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 4 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 57 12:28 AM 70 2018 59 -2 60
MINIMUM 51 11:47 PM 26 1910 41 10 44
1919
AVERAGE 54 50 4 52
PRECIPITATION (IN)
YESTERDAY 1.12 1.92 1895 0.08 1.04 0.00
MONTH TO DATE 1.83 0.33 1.50 0.11
SINCE OCT 1 7.19 4.48 2.71 3.75
SINCE JAN 1 1.83 0.33 1.50 0.11
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 13
MONTH TO DATE 30 60 -30 44
SINCE DEC 1 403 506 -103 317
SINCE JUL 1 663 871 -208 543
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 2
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 80 12:00 AM
AVERAGE 88
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THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 71 1911
MINIMUM TEMPERATURE (F) 41 22 1894
SUNRISE AND SUNSET
JANUARY 5 2026.......SUNRISE 7:22 AM PST SUNSET 5:04 PM PST
JANUARY 6 2026.......SUNRISE 7:22 AM PST SUNSET 5:05 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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