CDUS46 KMTR 250833 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1233 AM PST THU DEC 25 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 24 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 64 3:08 PM 65 1967 58 6 65 2024 MINIMUM 56 9:48 AM 29 1990 44 12 50 AVERAGE 60 51 9 58 PRECIPITATION (IN) YESTERDAY 0.90 2.00 1983 0.14 0.76 0.44 MONTH TO DATE 2.28 3.19 -0.91 3.74 SINCE OCT 1 6.74 6.02 0.72 7.79 SINCE JAN 1 14.36 18.69 -4.33 22.69 SNOWFALL (IN) YESTERDAY MM 0.0 MONTH TO DATE T SINCE DEC 1 T SINCE JUL 1 T DEGREE DAYS HEATING YESTERDAY 5 14 -9 7 MONTH TO DATE 291 321 -30 243 SINCE DEC 1 291 321 -30 243 SINCE JUL 1 642 829 -187 784 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 12 RESULTANT WIND DIRECTION S (170) HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 14.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 97 3:00 AM LOWEST 58 3:00 PM AVERAGE 78 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 68 1967 MINIMUM TEMPERATURE (F) 44 31 1962 1990 SUNRISE AND SUNSET DECEMBER 25 2025......SUNRISE 7:23 AM PST SUNSET 4:57 PM PST DECEMBER 26 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. $$