Climatological Report (Monthly)
Issued by NWS
Issued by NWS
565
CXUS56 KSGX 011338
CLMFUL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
638 AM PDT SAT AUG 01 2026
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...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF JULY 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
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TEMPERATURE (F)
RECORD
HIGH 116 07/06/2018
LOW 58 07/28/2010
07/12/2001
07/24/1999
HIGHEST 92 07/15 84 8 89 07/08
07/19
07/09
LOWEST 61 07/03 62 -1 60 07/01
AVG. MAXIMUM 86.2 84.4 1.8 80.9
AVG. MINIMUM 67.4 66.1 1.3 63.8
MEAN 76.8 75.2 1.6 72.4
DAYS MAX >= 90 7 6.4 0.6 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 0.48 2015
MINIMUM 0.00 2026
TOTALS 0.00R 0.02 -0.02 0.00
DAILY AVG. 0.00 0.00 -0.00 0.00
DAYS >= .01 0 0.3 -0.3 0
DAYS >= .10 0 0.1 -0.1 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 0.00 06/30 TO 06/30 0.00 06/30 TO 06/30
STORM TOTAL 0.00 0.00
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 374 318 56 240
SINCE 1/1 884 665 219 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST 12/31
LATEST MM
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WIND (MPH)
AVERAGE WIND SPEED 4.6
RESULTANT WIND SPEED/DIRECTION 3/200
HIGHEST WIND SPEED/DIRECTION 14/210 DATE 07/17
14/200 07/21
HIGHEST GUST SPEED/DIRECTION 24/250 DATE 07/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.17
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 65
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 0 FOG W/VIS <= 1/4 MILE 0
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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