Climatological Report (Monthly)
Issued by NWS

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194
CXUS56 KMTR 010841
CLMSFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1241 AM PST MON DEC 01 2025

...................................

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             85   11/02/1967
                       11/01/1967
 LOW              31   11/30/1954
HIGHEST           78   11/09                          73  11/04
LOWEST            47   11/26                          41  11/29
                       11/29
                       11/30
AVG. MAXIMUM    64.1               64.3    -0.2     63.7
AVG. MINIMUM    52.4                                49.1
MEAN            58.3               56.4     1.9     56.4
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.94   1972
 MINIMUM        0.00   1959
TOTALS          3.43               2.04    1.39     4.04
DAILY AVG.      0.11               0.07    0.04     0.13
DAYS >= .01        7                                  10
DAYS >= .10        5                                   6
DAYS >= .50        2                                   2
DAYS >= 1.00       2                                   1
GREATEST
 24 HR. TOTAL   1.53   11/13 TO 11/13               2.57  11/21 TO 11/22


DEGREE DAYS
HEATING TOTAL    195                260     -65      249
 SINCE 7/1       351                508    -157       MM
COOLING TOTAL      2                  2       0        0
 SINCE 1/1       150                201     -51       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   1/250
HIGHEST WIND SPEED/DIRECTION    33/190    DATE  11/05
HIGHEST GUST SPEED/DIRECTION    48/180    DATE  11/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.55
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      27     FOG W/VIS <= 1/4 MILE      2
HAZE                     27

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$