644
CXUS56 KMTR 122148
CLMSFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
148 PM PST WED NOV 12 2025
...............................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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
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TEMPERATURE (F)
RECORD
HIGH 99 10/05/1987
LOW 37 10/20/1949
HIGHEST 84 10/06 98 10/06
LOWEST 49 10/14 46 10/30
AVG. MAXIMUM 70.6 72.3 -1.7 74.4
AVG. MINIMUM 56.2 55.1
MEAN 63.4 62.9 0.5 64.7
DAYS MAX >= 90 0 4
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 MM
DAYS MIN <= 0 0 MM
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.30 1962
MINIMUM 0.00 2020
TOTALS 1.03 0.79 0.24 0.01
DAILY AVG. 0.03 0.03 0.00 0.00
DAYS >= .01 3 1
DAYS >= .10 2 0
DAYS >= .50 1 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.87 10/13 TO 10/13 0.01 10/31 TO 10/31
DEGREE DAYS
HEATING TOTAL 63 100 -37 88
SINCE 7/1 156 246 -90 MM
COOLING TOTAL 20 33 -13 86
SINCE 1/1 148 199 -51 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.6
RESULTANT WIND SPEED/DIRECTION 6/280
HIGHEST WIND SPEED/DIRECTION 31/280 DATE 10/12
HIGHEST GUST SPEED/DIRECTION 42/290 DATE 10/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.41
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 2
LIGHT RAIN 6 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 18 FOG W/VIS <= 1/4 MILE 0
HAZE 23
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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