Climatological Report (Monthly)
Issued by NWS
Issued by NWS
476
CXUS56 KMTR 011730
CLMSFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
930 AM PST SAT FEB 01 2025
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...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 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 74 01/31/2015
LOW 26 01/05/1949
HIGHEST 71 01/09 66 01/28
01/29
LOWEST 39 01/27 39 01/07
AVG. MAXIMUM 59.9 58.0 1.9 59.5
AVG. MINIMUM 45.2 48.7
MEAN 52.6 51.3 1.3 54.1
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 11.26 1993
MINIMUM 0.00 2015
TOTALS 0.24 3.89 -3.65 5.04
DAILY AVG. 0.01 0.13 -0.12 0.16
DAYS >= .01 3 14
DAYS >= .10 2 12
DAYS >= .50 0 5
DAYS >= 1.00 0 1
GREATEST
24 HR. TOTAL 0.12 01/03 TO 01/03 1.14 01/31 TO 01/31
DEGREE DAYS
HEATING TOTAL 379 426 -47 329
SINCE 7/1 1230 1355 -125 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.8
RESULTANT WIND SPEED/DIRECTION 1/350
HIGHEST WIND SPEED/DIRECTION 30/360 DATE 01/25
HIGHEST GUST SPEED/DIRECTION 37/070 DATE 01/08
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.35
NUMBER OF DAYS FAIR 16
NUMBER OF DAYS PC 14
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 2
HAZE 10
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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