630
CDUS46 KMTR 260838
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1238 AM PST FRI DEC 26 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 25 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 62 11:50 AM 68 1967 57 5 55
MINIMUM 52 2:05 PM 31 1962 44 8 45
1990
AVERAGE 57 51 6 50
PRECIPITATION (IN)
YESTERDAY 1.00 1.23 1968 0.14 0.86 0.00
MONTH TO DATE 3.28 3.33 -0.05 3.74
SINCE OCT 1 7.74 6.16 1.58 7.79
SINCE JAN 1 15.36 18.83 -3.47 22.69
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 8 14 -6 15
MONTH TO DATE 299 335 -36 258
SINCE DEC 1 299 335 -36 258
SINCE JUL 1 650 843 -193 799
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 21 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 53 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 72 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 21.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 62 11:00 AM
AVERAGE 75
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 72 1967
MINIMUM TEMPERATURE (F) 44 32 1954
SUNRISE AND SUNSET
DECEMBER 26 2025......SUNRISE 7:23 AM PST SUNSET 4:58 PM PST
DECEMBER 27 2025......SUNRISE 7:23 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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