Climatological Report (Monthly)
Issued by NWS
Issued by NWS
474
CXUS56 KMTR 011730
CLMSJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
930 AM PST SAT FEB 01 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 79 01/08/1962
LOW 18 01/06/1894
HIGHEST 74 01/10 74 01/29
01/23
LOWEST 35 01/27 35 01/08
AVG. MAXIMUM 64.9 59.8 5.1 62.8
AVG. MINIMUM 41.9 41.8 0.1 46.4
MEAN 53.4 54.6
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.17 2.80 -2.63 4.48
DAILY AVG. 0.01 0.09 -0.08 0.14
DAYS >= .01 2 15
DAYS >= .10 1 10
DAYS >= .50 0 2
DAYS >= 1.00 0 1
GREATEST
24 HR. TOTAL 0.11 01/03 TO 01/03 1.37 01/21 TO 01/22
DEGREE DAYS
HEATING TOTAL 341 440 -99 316
SINCE 7/1 855 1251 -396 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 4.5
RESULTANT WIND SPEED/DIRECTION 1/320
HIGHEST WIND SPEED/DIRECTION 21/340 DATE 01/11
HIGHEST GUST SPEED/DIRECTION 33/020 DATE 01/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.30
NUMBER OF DAYS FAIR 18
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 56
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 2 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 1
HAZE 10
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$