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
May 1 49° 79° 38° (1996) 91° (1987) 0.1" NA
May 2 49° 79° 39° (1980) 93° (2007) 0.1" NA
May 3 50° 79° 38° (2005) 92° (1959) 0.1" NA
May 4 50° 79° 34° (2004) 93° (2007) 0.1" NA
May 5 50° 79° 34° (2004) 91° (1996) 0.1" NA
May 6 51° 80° 38° (1997) 92° (1996) 0.1" NA
May 7 51° 80° 37° (2007) 93° (1977) 0.1" NA
May 8 51° 80° 36° (1989) 93° (1959) 0.1" NA
May 9 51° 80° 40° (1989) 94° (2002) 0.1" NA
May 10 52° 81° 41° (1977) 94° (2002) 0.1" NA
May 11 52° 81° 38° (1977) 93° (2002) 0.1" NA
May 12 52° 81° 42° (1977) 93° (1963) 0.1" NA
May 13 53° 81° 41° (1960) 97° (2000) 0.11" NA
May 14 53° 82° 42° (1997) 99° (2000) 0.11" NA
May 15 53° 82° 41° (2002) 92° (1982) 0.11" NA
May 16 54° 82° 41° (2002) 96° (1995) 0.11" NA
May 17 54° 82° 45° (1997) 98° (2001) 0.11" NA
May 18 54° 83° 42° (1979) 98° (1995) 0.11" NA
May 19 55° 83° 41° (1976) 97° (1996) 0.11" NA
May 20 55° 83° 38° (2002) 98° (1996) 0.11" NA
May 21 55° 83° 38° (2002) 97° (1996) 0.12" NA
May 22 56° 84° 40° (2002) 97° (1996) 0.12" NA
May 23 56° 84° 40° (2002) 95° (2004) 0.12" NA
May 24 56° 84° 39° (2002) 95° (1998) 0.12" NA
May 25 56° 84° 40° (2005) 97° (1996) 0.12" NA
May 26 57° 84° 40° (1979) 100° (2000) 0.12" NA
May 27 57° 85° 41° (1961) 99° (1995) 0.13" NA
May 28 57° 85° 41° (1997) 100° (2000) 0.13" NA
May 29 57° 85° 43° (1961) 95° (1964) 0.13" NA
May 30 58° 85° 49° (1971) 95° (1998) 0.13" NA
May 31 58° 86° 44° (1984) 96° (2004) 0.13" NA
Advertisements
Track Severe Weather on mobile