Dewees Island, South Carolina
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 37° 57° 9° (1985) 78° (1974) 4.4" 0"
February 38° 59° 12° (1973) 81° (2001) 3.23" 0"
March 45° 65° 21° (1980) 90° (1974) 4.16" 0"
April 54° 72° 32° (2007) 93° (2002) 2.92" 0"
May 63° 80° 37° (1971) 99° (1953) 2.88" 0"
June 70° 85° 49° (2006) 105° (1952) 4.89" 0"
July 74° 89° 59° (1970) 101° (1990) 4.76" 0"
August 72° 87° 57° (1986) 103° (1999) 6.27" 0"
September 68° 83° 48° (1970) 97° (1970) 5.32" 0"
October 58° 76° 33° (1974) 94° (1986) 3.8" 0"
November 49° 68° 22° (1970) 89° (1992) 3.1" 0"
December 40° 60° 11° (2000) 84° (1987) 3.65" 0.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 71° 86° 62° (1999) 96° (1958) 0.2" NA
Sep 2 71° 86° 57° (1968) 96° (1991) 0.2" NA
Sep 3 71° 85° 55° (2007) 93° (1959) 0.2" NA
Sep 4 71° 85° 63° (1979) 97° (1961) 0.2" NA
Sep 5 71° 85° 57° (2007) 94° (1970) 0.2" NA
Sep 6 71° 85° 60° (1997) 95° (1983) 0.19" NA
Sep 7 70° 85° 60° (1988) 97° (1970) 0.19" NA
Sep 8 70° 85° 60° (1988) 93° (1983) 0.19" NA
Sep 9 70° 84° 57° (1956) 92° (1985) 0.19" NA
Sep 10 70° 84° 54° (1972) 95° (1985) 0.19" NA
Sep 11 70° 84° 56° (1956) 94° (1985) 0.19" NA
Sep 12 70° 84° 61° (1967) 94° (1991) 0.18" NA
Sep 13 69° 84° 58° (1967) 90° (1953) 0.18" NA
Sep 14 69° 84° 54° (1985) 94° (1972) 0.18" NA
Sep 15 69° 83° 58° (1969) 94° (1970) 0.18" NA
Sep 16 69° 83° 59° (1961) 92° (1970) 0.18" NA
Sep 17 68° 83° 57° (1961) 94° (1972) 0.18" NA
Sep 18 68° 83° 58° (1969) 95° (1958) 0.17" NA
Sep 19 68° 83° 52° (1981) 90° (1970) 0.17" NA
Sep 20 67° 82° 54° (1981) 90° (1956) 0.17" NA
Sep 21 67° 82° 56° (1962) 91° (1988) 0.17" NA
Sep 22 67° 82° 59° (1969) 91° (1961) 0.17" NA
Sep 23 67° 82° 54° (1983) 91° (1992) 0.16" NA
Sep 24 66° 81° 54° (1963) 94° (1986) 0.16" NA
Sep 25 66° 81° 55° (1990) 90° (1961) 0.16" NA
Sep 26 65° 81° 56° (1981) 90° (1966) 0.16" NA
Sep 27 65° 81° 56° (1956) 90° (1951) 0.16" NA
Sep 28 65° 80° 51° (1993) 89° (1981) 0.15" NA
Sep 29 64° 80° 48° (1970) 91° (2007) 0.15" NA
Sep 30 64° 80° 49° (1967) 88° (1972) 0.15" NA
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