Climatological Report (Monthly)
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
489
CXUS52 KCHS 042038
CLMCHS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
336 PM EST SUN JAN 04 2026
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...THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 83 12/11/1972
LOW 8 12/13/1962
HIGHEST 79 12/24 MM MM 79 12/18
12/27
LOWEST 21 12/15 MM MM 22 12/07
AVG. MAXIMUM 61.7 62.7 -1.0 62.4
AVG. MINIMUM 40.4 41.6 -1.2 40.4
MEAN 51.0 52.2 -1.2 51.4
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 6 6.0 0.0 8
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 11.08 1941
MINIMUM 0.35 2008
TOTALS 1.68 3.35 -1.67 2.44
DAYS >= .01 6 9.3 -3.3 8
DAYS >= .10 4 5.7 -1.7 5
DAYS >= .50 1 2.3 -1.3 2
DAYS >= 1.00 0 0.8 -0.8 0
GREATEST
24 HR. TOTAL 0.86 12/02
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0
DEGREE DAYS
HEATING TOTAL 430 408 22 423
SINCE 7/1 711 700 11 MM
COOLING TOTAL 2 9 -7 7
SINCE 1/1 2598 2434 164 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.5
HIGHEST WIND SPEED/DIRECTION 31/260
HIGHEST GUST SPEED/DIRECTION 43/270
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 3
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 4
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
RECORDS ESTABLISHED AT THE CHARLESTON INTERNATIONAL AIRPORT DURING
THE MONTH:
*DEC 15 - RECORD LOW MAXIMUM TEMPERATURE OF 39 DEGREES
*DEC 27 - RECORD HIGH TEMPERATURE OF 79 DEGREES
$$