764
CDUS46 KSGX 011021
CLIFUL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PST THU JAN 01 2026
...............................
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 31 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 72 10:34 AM 76 2007 68 4 58
2011
MINIMUM 57 10:46 PM 32 2010 46 11 49
AVERAGE 65 57 8 54
PRECIPITATION (IN)
YESTERDAY 0.29 0.94 2022 0.07 0.22 0.00
MONTH TO DATE 3.22 1.86 1.36 0.01
SINCE JUL 1 10.45 3.28 7.17 0.03
SINCE OCT 1 10.40 3.10 7.30 0.03
SINCE JAN 1 14.90 11.86 3.04 14.72
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 11
MONTH TO DATE 135 253 -118 208
SINCE DEC 1 135 253 -118 208
SINCE JUL 1 228 382 -154 330
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 4 2 2 2
SINCE DEC 1 4 2 2 2
SINCE JAN 1 1459 1508 -49 1398
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 10:00 PM
LOWEST 24 12:00 AM
AVERAGE 59
......................................................
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 84 2012
MINIMUM TEMPERATURE (F) 46 36 2015
SUNRISE AND SUNSET
JANUARY 1 2026.......SUNRISE 6:57 AM PST SUNSET 4:54 PM PST
JANUARY 2 2026.......SUNRISE 6:57 AM PST SUNSET 4:55 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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