Climatological Report (Monthly)
Issued by NWS
Issued by NWS
493
CXUS56 KMTR 010826
CLMSJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU MAY 01 2025
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...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 95 04/20/2009
04/30/1996
04/09/1989
LOW 26 04/05/1895
HIGHEST 80 04/14 83 04/22
04/13
LOWEST 40 04/03 40 04/06
AVG. MAXIMUM 70.2 69.2 1.0 71.2
AVG. MINIMUM 49.0 48.4 0.6 50.2
MEAN 59.6 60.7
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.25 1.07 -0.82 0.81
DAILY AVG. 0.01 0.04 -0.02 0.03
DAYS >= .01 1 4
DAYS >= .10 1 2
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.37 03/31 TO 04/01 0.46 04/13 TO 04/14
DEGREE DAYS
HEATING TOTAL 106 197 -91 137
SINCE 7/1 1589 2060 -471 MM
COOLING TOTAL 3 11 -8 15
SINCE 1/1 8 13 -5 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.4
RESULTANT WIND SPEED/DIRECTION 3/330
HIGHEST WIND SPEED/DIRECTION 24/310 DATE 04/01
HIGHEST GUST SPEED/DIRECTION 38/310 DATE 04/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.37
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 1 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 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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