681
CXUS52 KCHS 042039
CLMCXM

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
336 PM EST SUN JAN 04 2026

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

...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             81   12/07/1998
                       12/19/1967
                       12/09/1943
 LOW              12   12/30/1917
HIGHEST           75   12/27         MM      MM       70  12/10
                                                          12/16
LOWEST            25   12/15         MM      MM       34  12/06
AVG. MAXIMUM    59.6               60.9    -1.3     59.5
AVG. MINIMUM    46.2               46.8    -0.6     46.4
MEAN            52.9               53.8    -0.9     52.9
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                1.2    -0.2        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.56   1941
 MINIMUM        0.19   1919
TOTALS          2.07               2.91   -0.84     2.07
DAYS >= .01        6                8.5    -2.5        8
DAYS >= .10        4                4.8    -0.8        5
DAYS >= .50        2                1.8     0.2        1
DAYS >= 1.00       0                0.6    -0.6        0
GREATEST
 24 HR. TOTAL   0.74   12/05


DEGREE DAYS
HEATING TOTAL    370                353      17      367
 SINCE 7/1       549                567     -18       MM
COOLING TOTAL      1                  7      -6        1
 SINCE 1/1      2599               2448     151       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.6
HIGHEST WIND SPEED/DIRECTION    29/030
HIGHEST GUST SPEED/DIRECTION    35/020



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

$$