667
CDUS46 KMTR 310829
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT SAT MAY 31 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 30 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 80 2:51 PM 95 2001 70 10 76
MINIMUM 52 5:12 AM 46 1974 53 -1 53
AVERAGE 66 61 5 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.28 1990 0.01 -0.01 0.00
MONTH TO DATE 0.11 0.47 -0.36 0.95
SINCE OCT 1 16.11 19.38 -3.27 20.13
SINCE JAN 1 7.55 12.41 -4.86 14.80
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 162 164 -2 132
SINCE MAR 1 716 694 22 621
SINCE JUL 1 2249 2373 -124 1762
COOLING
YESTERDAY 1 0 1 0
MONTH TO DATE 3 0 3 10
SINCE MAR 1 6 6 0 11
SINCE JAN 1 6 6 0 11
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 11.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1:00 AM
LOWEST 42 3:00 PM
AVERAGE 69
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 2001
MINIMUM TEMPERATURE (F) 53 46 1962
SUNRISE AND SUNSET
MAY 31 2025...........SUNRISE 5:50 AM PDT SUNSET 8:25 PM PDT
JUNE 1 2025..........SUNRISE 5:50 AM PDT SUNSET 8:26 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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