117
CDUS46 KMTR 070839
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1239 AM PST SUN DEC 07 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 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 53 2:39 PM 67 1979 59 -6 67
2014
2024
MINIMUM 46 9:56 AM 37 1967 45 1 48
1972
2013
AVERAGE 50 52 -2 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.41 1950 0.13 -0.13 0.00
MONTH TO DATE 0.00 0.73 -0.73 0.00
SINCE OCT 1 4.46 3.56 0.90 4.05
SINCE JAN 1 12.08 16.23 -4.15 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 7
MONTH TO DATE 83 74 9 48
SINCE DEC 1 83 74 9 48
SINCE JUL 1 434 582 -148 589
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 6 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 80 12:00 PM
AVERAGE 87
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 73 2020
MINIMUM TEMPERATURE (F) 45 33 1960
SUNRISE AND SUNSET
DECEMBER 7 2025......SUNRISE 7:11 AM PST SUNSET 4:51 PM PST
DECEMBER 8 2025......SUNRISE 7:12 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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