Climatological Report (Monthly)
Issued by NWS
Issued by NWS
649
CXUS56 KSGX 162101
CLMSAN
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
201 PM PDT WED SEP 16 2026
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...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1874 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 98 08/31/1955
LOW 54 08/29/1895
08/28/1887
08/19/1884
HIGHEST 89 08/26 78 11 88 08/29
LOWEST 68 08/05 67 1 63 08/01
AVG. MAXIMUM 81.1 77.3 3.8 76.4
AVG. MINIMUM 70.3 67.5 2.8 66.2
MEAN 75.7 72.4 3.3 71.3
DAYS MAX >= 90 0 0.3 -0.3 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MAX >= 45 31 31
DAYS MIN <= 32 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.13 1977
MINIMUM 0.00 2019
TOTALS T 0.01 -0.01 0.05
DAILY AVG. T 0.00 -0.00 0.00
DAYS >= .01 0 0.3 -0.3 1
DAYS >= .10 0 0.0 0.0 0
DAYS >= .50 0 0.0 0.0 0
DAYS >= 1.00 0 0.0 0.0 0
DAYS >= %-5.2F 0 0
DAYS >= %-5.2F 0 0
GREATEST
24 HR. TOTAL T 08/07 TO 08/07 0.05 08/28 TO 08/28
08/14 TO 08/14
08/14 TO 08/14
STORM TOTAL 0.00 0.05
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 1 -1 MM
COOLING TOTAL 339 230 109 204
SINCE 1/1 804 560 244 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST MM
LATEST MM
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WIND (MPH)
AVERAGE WIND SPEED 5.3
RESULTANT WIND SPEED/DIRECTION 3/290
HIGHEST WIND SPEED/DIRECTION 17/290 DATE 08/18
HIGHEST GUST SPEED/DIRECTION 29/180 DATE 08/04
29/180 08/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.53
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 20
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 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 9 FOG W/VIS <= 1/4 MILE 1
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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