Climatological Report (Monthly)
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
048
CXUS52 KCHS 012018
CLMCHS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
415 PM EDT SUN JUN 01 2025
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...THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 101 05/29/2019
05/28/2019
LOW 36 05/02/1963
HIGHEST 95 05/20 MM MM 94 05/28
LOWEST 57 05/06 MM MM 60 05/11
AVG. MAXIMUM 85.3 83.6 1.7 86.3
AVG. MINIMUM 66.0 63.0 3.0 66.8
MEAN 75.6 73.3 2.3 76.5
DAYS MAX >= 90 6 4.8 1.2 9
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.62 2018
MINIMUM 0.27 1941
TOTALS 7.39 3.32 4.07 2.14
DAYS >= .01 13 8.1 4.9 9
DAYS >= .10 9 5.1 3.9 8
DAYS >= .50 4 2.2 1.8 1
DAYS >= 1.00 2 1.0 1.0 0
GREATEST
24 HR. TOTAL 3.42 05/10 TO 05/11
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 2.5 0.3 2.2
DEGREE DAYS
HEATING TOTAL 0 9 -9 0
SINCE 7/1 1713 1842 -129 MM
COOLING TOTAL 338 266 72 366
SINCE 1/1 544 407 137 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.8
HIGHEST WIND SPEED/DIRECTION 30/350
30/300
HIGHEST GUST SPEED/DIRECTION 40/350
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 6
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 16 FOG W/VIS <= 1/4 MILE 3
HAZE 1
- 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:
*MAY 11 - RECORD PRECIPITATION OF 3.31 INCHES
*MAY 16 - RECORD HIGH TEMPERATURE OF 94 DEGREES
*MAY 16 - RECORD HIGH MINIMUM TEMPERATURE OF 72 DEGREES
*MAY 17 - RECORD HIGH MINIMUM TEMPERATURE OF 74 DEGREES
*MAY 20 - RECORD HIGH MINIMUM TEMPERATURE OF 72 DEGREES
*MAY 21 - RECORD HIGH MINIMUM TEMPERATURE OF 76 DEGREES
$$