CDUS46 KMTR 130037 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 437 PM PST FRI DEC 12 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. 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) TODAY MAXIMUM 53 3:59 PM 75 1958 58 -5 60 MINIMUM 45 6:18 AM 29 1972 45 0 51 AVERAGE 49 52 -3 56 PRECIPITATION (IN) TODAY 0.00 1.16 2006 0.13 -0.13 0.77 MONTH TO DATE 0.00 1.52 -1.52 0.80 SINCE OCT 1 4.46 4.35 0.11 4.85 SINCE JAN 1 12.08 17.02 -4.94 19.75 SNOWFALL (IN) TODAY MM 0.0 MONTH TO DATE T SINCE DEC 1 T SINCE JUL 1 T SNOW DEPTH MM DEGREE DAYS HEATING TODAY 16 14 2 9 MONTH TO DATE 175 153 22 112 SINCE DEC 1 175 153 22 112 SINCE JUL 1 526 661 -135 653 COOLING TODAY 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 (60) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70) AVERAGE WIND SPEED 7.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 6:00 AM LOWEST 71 12:00 PM AVERAGE 82 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROWNORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 69 1958 MINIMUM TEMPERATURE (F) 45 30 1945 1972 SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 7:15 AM PST SUNSET 4:51 PM PST DECEMBER 13 2025......SUNRISE 7:16 AM PST SUNSET 4:52 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$