Climatological Report (Monthly)
Issued by NWS
Issued by NWS
828
CXUS56 KMTR 010833
CLMSJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1233 AM PST SUN FEB 01 2026
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...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 79 01/08/1962
LOW 18 01/06/1894
HIGHEST 71 01/16 74 01/10
01/23
LOWEST 34 01/10 35 01/27
AVG. MAXIMUM 63.1 59.8 3.3 64.9
AVG. MINIMUM 42.8 41.8 1.0 41.9
MEAN 53.0 53.4
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 2.28 2.80 -0.52 0.17
DAILY AVG. 0.07 0.09 -0.02 0.01
DAYS >= .01 8 2
DAYS >= .10 5 1
DAYS >= .50 1 0
DAYS >= 1.00 1 0
GREATEST
24 HR. TOTAL 1.12 01/04 TO 01/04 0.11 01/03 TO 01/03
DEGREE DAYS
HEATING TOTAL 366 440 -74 341
SINCE 7/1 999 1251 -252 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 4.4
RESULTANT WIND SPEED/DIRECTION 1/160
HIGHEST WIND SPEED/DIRECTION 25/140 DATE 01/02
HIGHEST GUST SPEED/DIRECTION 37/140 DATE 01/02
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 4
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 0
HAZE 7
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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