Climatological Report (Monthly)
Issued by NWS
Issued by NWS
808
CXUS56 KMTR 111734
CLMSJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1034 AM PDT SUN OCT 11 2026
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...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 105 08/01/1993
LOW 39 08/26/1893
HIGHEST 91 08/03 94 08/31
LOWEST 55 08/30 56 08/03
08/04
AVG. MAXIMUM 80.9 81.4 -0.5 81.5
AVG. MINIMUM 59.8 58.6 1.2 59.5
MEAN 70.3 70.5
DAYS MAX >= 90 1 5
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS T 0.05 -0.05 0.00
DAILY AVG. T 0.00 -0.00 0.00
DAYS >= .01 0 0
DAYS >= .10 0 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL T 08/28 TO 08/28 0.00 07/31 TO 07/31
DEGREE DAYS
HEATING TOTAL 0 2 -2 0
SINCE 7/1 2 4 -2 MM
COOLING TOTAL 173 157 16 170
SINCE 1/1 520 443 77 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.8
RESULTANT WIND SPEED/DIRECTION 5/320
HIGHEST WIND SPEED/DIRECTION 21/210 DATE 08/13
HIGHEST GUST SPEED/DIRECTION 30/200 DATE 08/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.35
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 13
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 0 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 1 FOG W/VIS <= 1/4 MILE 0
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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