960
CXUS56 KSGX 011036
CLMSDM

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
236 AM PST THU JAN 01 2026

...................................

...THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             87   12/12/2010
                       12/03/1958
                       07/28/1995
 LOW              29   12/09/1960
                       12/29/1954
HIGHEST           86   12/10         MM      MM       83
LOWEST            39   12/28         MM      MM       36
AVG. MAXIMUM    71.9               66.7     5.2     69.2
AVG. MINIMUM    47.2               43.8     3.4     43.6
MEAN            59.5               55.3     4.2     56.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    31                                  31
DAYS MIN <= 32     0                0.2    -0.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.94   2019
TOTALS          1.29               1.82   -0.53     0.02
DAILY AVG.      0.04               0.06   -0.02     0.00
DAYS >= .01        5                6.9    -1.9        1
DAYS >= .10        3                3.1    -0.1        0
DAYS >= .50        0                0.9    -0.9        0
DAYS >= 1.00       0                0.5    -0.5        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.52   12/26 TO 12/27               0.02  12/25 TO 12/25
 STORM TOTAL    0.49                                0.02
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    172                304    -132      260
 SINCE 7/1       277                524    -247       MM
COOLING TOTAL     10                  2       8        0
 SINCE 1/1       818                734      84       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          01/02
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.7
RESULTANT WIND SPEED/DIRECTION   2/130
HIGHEST WIND SPEED/DIRECTION    33/170    DATE  12/24
HIGHEST GUST SPEED/DIRECTION    49/160    DATE  12/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.29
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE     11
HAZE                     24

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$