540
CXUS56 KSTO 050046
CLMMOD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SACRAMENTO
446 PM PST SUN JAN 04 2026

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

...THE MODESTO CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1931 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             76   12/11/2021
 LOW              18   12/13/1932
HIGHEST           67   12/22         MM      MM
LOWEST            34   12/28         MM      MM
AVG. MAXIMUM    53.0
AVG. MINIMUM    43.1
MEAN            48.1
DAYS MAX >= 90     0                0.0     0.0
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                5.6    -5.6
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.94   2022
 MINIMUM        2.26   2024
TOTALS          1.97R              2.21   -0.24     2.26
DAYS >= .01        5
DAYS >= .10        3
DAYS >= .50        2
DAYS >= 1.00       1


DEGREE DAYS
HEATING TOTAL    449                546     -97
 SINCE 7/1       758                935    -177
COOLING TOTAL      0                  0       0
 SINCE 1/1      1727               1623     104
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.0
HIGHEST WIND SPEED/DIRECTION    31/130    DATE  12/24
HIGHEST GUST SPEED/DIRECTION    52/130    DATE  12/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.79
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     85

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      26     FOG W/VIS <= 1/4 MILE      9
HAZE                     13

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

$$