Climatological Report (Monthly)
Issued by NWS
Issued by NWS
674
CXUS56 KMTR 010842
CLMSJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
142 AM PDT SAT NOV 01 2025
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...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 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 106 10/02/2024
LOW 30 10/18/1893
HIGHEST 87 10/06 106 10/02
LOWEST 48 10/14 47 10/30
10/28
AVG. MAXIMUM 74.7 75.8 -1.1 83.2
AVG. MINIMUM 54.1 52.7 1.4 57.4
MEAN 64.4 70.3
DAYS MAX >= 90 0 7
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 2.00 0.53 1.47 0.01
DAILY AVG. 0.06 0.02 0.04 0.00
DAYS >= .01 3 1
DAYS >= .10 2 0
DAYS >= .50 1 0
DAYS >= 1.00 1 0
GREATEST
24 HR. TOTAL 1.52 10/13 TO 10/13 0.01 10/28 TO 10/28
DEGREE DAYS
HEATING TOTAL 50 72 -22 19
SINCE 7/1 51 91 -40 MM
COOLING TOTAL 40 49 -9 191
SINCE 1/1 599 622 -23 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.4
RESULTANT WIND SPEED/DIRECTION 1/310
HIGHEST WIND SPEED/DIRECTION 22/330 DATE 10/24
22/220 10/26
HIGHEST GUST SPEED/DIRECTION 31/210 DATE 10/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.36
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 14
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 0
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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