Climatological Report (Monthly)
Issued by NWS
Issued by NWS
752
CXUS56 KMTR 010829
CLMSFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT FRI AUG 01 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 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
................................................................
TEMPERATURE (F)
RECORD
HIGH 105 07/17/1988
LOW 44 07/29/1951
HIGHEST 76 07/10 88 07/02
LOWEST 53 07/01 54 07/19
07/07
07/22
07/26
AVG. MAXIMUM 69.2 72.6 -3.4 73.2
AVG. MINIMUM 56.0 55.8
MEAN 62.6 64.0 -1.4 64.5
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 0.35 1977
MINIMUM 0.00 2024
TOTALS T 0.00 0.00 0.00
DAILY AVG. T 0.00 0.00 0.00
DAYS >= .01 0 0
DAYS >= .10 0 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL T 07/21 TO 07/21 0.00 06/30 TO 06/30
07/22 TO 07/22
07/27 TO 07/27
DEGREE DAYS
HEATING TOTAL 69 58 11 50
SINCE 7/1 69 62 7 MM
COOLING TOTAL 1 26 -25 43
SINCE 1/1 8 69 -61 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 12.3
RESULTANT WIND SPEED/DIRECTION 11/280
HIGHEST WIND SPEED/DIRECTION 32/280 DATE 07/04
HIGHEST GUST SPEED/DIRECTION 42/260 DATE 07/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.51
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 19
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 75
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 1 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 24 FOG W/VIS <= 1/4 MILE 0
HAZE 30
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$