371
CDUS46 KSGX 181025
CLIMYF
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
225 AM PST THU DEC 18 2025
...............................
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR DECEMBER 17 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 67 4:03 PM 78 1999 67 0 72
2013
MINIMUM 49 7:29 AM 38 2001 45 4 44
2015
AVERAGE 58 56 2 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.70 2008 0.05 -0.05 0.00
MONTH TO DATE 0.00 0.80 -0.80 0.01
SINCE JUL 1 3.40 2.50 0.90 0.14
SINCE OCT 1 3.05 2.25 0.80 0.11
SINCE JAN 1 8.57 10.21 -1.64 11.59
DEGREE DAYS
HEATING
YESTERDAY 7 9 -2 7
MONTH TO DATE 88 146 -58 114
SINCE DEC 1 88 146 -58 114
SINCE JUL 1 199 313 -114 286
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 0
SINCE DEC 1 2 0 2 0
SINCE JAN 1 921 1016 -95 940
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 2.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 59 4:00 PM
AVERAGE 80
......................................................
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 81 2024
MINIMUM TEMPERATURE (F) 45 37 2016
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 6:46 AM PST SUNSET 4:45 PM PST
DECEMBER 19 2025......SUNRISE 6:46 AM PST SUNSET 4:46 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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