Climatological Report (Monthly)
Issued by NWS
Issued by NWS
442
CXUS56 KMTR 011102
CLMSJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
402 AM PDT MON SEP 01 2025
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...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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 105 08/01/1993
LOW 39 08/26/1893
HIGHEST 94 08/31 95 08/27
LOWEST 56 08/03 59 08/22
08/04
08/25
08/29
AVG. MAXIMUM 81.5 81.4 0.1 83.8
AVG. MINIMUM 59.5 58.6 0.9 60.9
MEAN 70.5 72.4
DAYS MAX >= 90 5 6
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.00R 0.05 -0.05 T
DAILY AVG. 0.00 0.00 -0.00 T
DAYS >= .01 0 0
DAYS >= .10 0 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.00 07/31 TO 07/31 T 08/02 TO 08/02
DEGREE DAYS
HEATING TOTAL 0 2 -2 0
SINCE 7/1 1 4 -3 MM
COOLING TOTAL 170 157 13 237
SINCE 1/1 349 443 -94 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.9
RESULTANT WIND SPEED/DIRECTION 5/330
HIGHEST WIND SPEED/DIRECTION 22/340 DATE 08/19
HIGHEST GUST SPEED/DIRECTION 32/010 DATE 08/17
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.24
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 64
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 0 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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