844
CDUS46 KMTR 100835
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST WED DEC 10 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 54 3:38 PM 67 1950 59 -5 64
MINIMUM 45 1:32 AM 24 1972 45 0 46
AVERAGE 50 52 -2 55
PRECIPITATION (IN)
YESTERDAY 0.00 1.17 1954 0.14 -0.14 0.00
MONTH TO DATE 0.00 1.13 -1.13 0.00
SINCE OCT 1 4.46 3.96 0.50 4.05
SINCE JAN 1 12.08 16.63 -4.55 18.95
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 15 13 2 10
MONTH TO DATE 129 113 16 76
SINCE DEC 1 129 113 16 76
SINCE JUL 1 480 621 -141 617
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 150 201 -51 184
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (40)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 7:00 PM
LOWEST 77 3:00 PM
AVERAGE 84
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 70 1958
MINIMUM TEMPERATURE (F) 45 29 1972
SUNRISE AND SUNSET
DECEMBER 10 2025......SUNRISE 7:14 AM PST SUNSET 4:51 PM PST
DECEMBER 11 2025......SUNRISE 7:15 AM PST SUNSET 4:51 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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