Johnston, South Carolina
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° 54° -2° (1985) 81° (2002) 5.12" 0.6"
February 30° 58° 8° (1958) 83° (1996) 4.22" 2"
March 37° 66° 1° (1980) 89° (2007) 4.88" 0.1"
April 44° 75° 19° (2007) 94° (2002) 3.38" 0"
May 54° 82° 34° (2004) 100° (2000) 3.45" 0"
June 62° 89° 46° (2000) 106° (1958) 4.54" 0"
July 66° 92° 52° (2007) 107° (1980) 4.29" 0"
August 65° 90° 46° (1969) 110° (2007) 4.97" 0"
September 60° 84° 36° (1967) 105° (1999) 3.96" 0"
October 48° 75° 24° (2001) 93° (1986) 3.16" 0"
November 39° 66° 15° (1970) 89° (1961) 3.17" 0"
December 31° 57° 3° (1962) 81° (1998) 3.51" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 29° 55° 16° (1980) 80° (2002) 0.16" NA
Feb 2 29° 56° 9° (1980) 74° (1988) 0.16" NA
Feb 3 29° 56° 11° (1980) 77° (1989) 0.16" NA
Feb 4 29° 56° 12° (1970) 82° (1989) 0.15" NA
Feb 5 29° 56° 10° (1996) 75° (1986) 0.15" NA
Feb 6 29° 56° 10° (1996) 73° (1991) 0.15" NA
Feb 7 29° 56° 10° (1978) 73° (1999) 0.15" NA
Feb 8 29° 57° 15° (1978) 78° (1999) 0.15" NA
Feb 9 29° 57° 12° (1995) 73° (1999) 0.15" NA
Feb 10 29° 57° 12° (1995) 80° (1994) 0.15" NA
Feb 11 29° 57° 14° (1971) 74° (1959) 0.15" NA
Feb 12 30° 58° 14° (1973) 78° (1999) 0.15" NA
Feb 13 30° 58° 14° (1973) 74° (1961) 0.15" NA
Feb 14 30° 58° 18° (1971) 74° (1961) 0.15" NA
Feb 15 30° 58° 18° (1971) 78° (1989) 0.15" NA
Feb 16 30° 59° 11° (1991) 83° (1989) 0.14" NA
Feb 17 30° 59° 9° (1958) 83° (1989) 0.15" NA
Feb 18 31° 59° 8° (1958) 76° (1976) 0.15" NA
Feb 19 31° 59° 14° (1958) 75° (1976) 0.15" NA
Feb 20 31° 59° 18° (1980) 78° (2000) 0.15" NA
Feb 21 31° 60° 20° (1958) 80° (1991) 0.15" NA
Feb 22 31° 60° 16° (1963) 78° (1986) 0.15" NA
Feb 23 32° 60° 18° (1963) 76° (1975) 0.15" NA
Feb 24 32° 61° 22° (1989) 79° (1980) 0.15" NA
Feb 25 32° 61° 10° (1967) 78° (1982) 0.15" NA
Feb 26 32° 61° 12° (1967) 77° (1996) 0.15" NA
Feb 27 33° 61° 15° (1967) 83° (1996) 0.15" NA
Feb 28 33° 62° 10° (2002) 81° (1996) 0.15" NA
Feb 29 33° 62° 24° (2004) 76° (1976) 0.15" NA
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