Climatological Report (Monthly)
Issued by NWS
Issued by NWS
657
CXUS56 KSGX 162101
CLMMYF
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
201 PM PDT WED SEP 16 2026
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...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 105 08/29/2009
LOW 55 08/31/2010
HIGHEST 95 08/23 MM MM 92 08/29
LOWEST 67 08/05 MM MM 62 08/01
08/19
08/20
AVG. MAXIMUM 84.8 82.0 2.8 80.8
AVG. MINIMUM 69.2 65.3 3.9 64.8
MEAN 77.0 73.7 3.3 72.8
DAYS MAX >= 90 4 3.3 0.7 2
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 2.15 2023
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
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 379 268 111 251
SINCE 1/1 928 646 282 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST MM
LATEST MM
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WIND (MPH)
AVERAGE WIND SPEED 5.2
RESULTANT WIND SPEED/DIRECTION 4/270
HIGHEST WIND SPEED/DIRECTION 17/310 DATE 08/11
HIGHEST GUST SPEED/DIRECTION 23/300 DATE 08/09
23/300 08/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.21
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 0 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 15 FOG W/VIS <= 1/4 MILE 1
HAZE 8
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$