Climatological Report (Monthly)
Issued by NWS

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749
CXUS56 KMTR 010829
CLMSJC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT FRI AUG 01 2025

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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 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
................................................................
TEMPERATURE (F)
RECORD
 HIGH            108   07/14/1972
                       07/07/1905
 LOW              40   07/01/1896
                       07/30/1895
                       07/25/1893
HIGHEST           87   07/10                         102  07/02
LOWEST            52   07/05                          60  07/21
                                                          07/26
                                                          07/28
AVG. MAXIMUM    77.7               80.8    -3.1     87.5
AVG. MINIMUM    57.6               58.1    -0.5     63.5
MEAN            67.7                                75.5
DAYS MAX >= 90     0                                  14
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.00R              0.00    0.00        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   06/30 TO 06/30                  T  07/24 TO 07/24
                                                          07/17 TO 07/17
                                                          07/15 TO 07/15


DEGREE DAYS
HEATING TOTAL      1                  4      -3        0
 SINCE 7/1         1                  0       1       MM
COOLING TOTAL     89                142     -53      335
 SINCE 1/1       170                286    -116       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.6
RESULTANT WIND SPEED/DIRECTION   5/330
HIGHEST WIND SPEED/DIRECTION    24/340    DATE  07/04
HIGHEST GUST SPEED/DIRECTION    34/320    DATE  07/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.33
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     67

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.

$$