Irmo, South Carolina
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 34° 56° -1° (1985) 84° (1975) 3.58" 0.8"
February 37° 61° -2° (1899) 84° (1997) 3.74" 0.5"
March 43° 68° 4° (1980) 93° (1907) 3.73" 0.1"
April 50° 76° 26° (2007) 96° (1896) 2.62" 0"
May 60° 84° 34° (1963) 101° (2000) 2.97" 0"
June 68° 90° 44° (1984) 107° (1954) 4.69" 0"
July 72° 93° 54° (1951) 107° (1952) 5.46" 0"
August 71° 91° 53° (1969) 107° (2007) 5.26" 0"
September 64° 85° 40° (1967) 106° (1925) 3.54" 0"
October 52° 76° 23° (1952) 101° (1954) 3.17" 0"
November 42° 67° 12° (1970) 90° (1961) 2.74" 0"
December 35° 58° 4° (1958) 83° (1978) 3.22" 0.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 69° 89° 50° (1999) 100° (1957) 0.13" 0"
Sep 2 69° 89° 53° (1967) 98° (1993) 0.13" 0"
Sep 3 68° 88° 48° (1967) 101° (1925) 0.13" 0"
Sep 4 68° 88° 54° (1997) 106° (1925) 0.13" 0"
Sep 5 68° 88° 47° (1997) 101° (1925) 0.13" 0"
Sep 6 68° 88° 51° (1997) 101° (1954) 0.13" 0"
Sep 7 67° 88° 49° (1984) 102° (1925) 0.13" 0"
Sep 8 67° 87° 49° (1984) 99° (1990) 0.13" 0"
Sep 9 67° 87° 53° (1956) 101° (1939) 0.12" 0"
Sep 10 66° 87° 45° (1956) 99° (1939) 0.13" 0"
Sep 11 66° 87° 46° (1956) 98° (1915) 0.12" 0"
Sep 12 66° 86° 47° (1976) 99° (1900) 0.13" 0"
Sep 13 65° 86° 49° (1968) 100° (1900) 0.13" 0"
Sep 14 65° 86° 47° (1985) 97° (1991) 0.12" 0"
Sep 15 65° 86° 47° (1967) 100° (1897) 0.11" 0"
Sep 16 64° 85° 47° (1985) 98° (1991) 0.11" 0"
Sep 17 64° 85° 46° (2001) 99° (1931) 0.12" 0"
Sep 18 64° 85° 48° (1985) 104° (1896) 0.1" 0"
Sep 19 63° 84° 49° (1984) 99° (1896) 0.11" 0"
Sep 20 63° 84° 42° (1984) 99° (1954) 0.1" 0"
Sep 21 62° 84° 46° (1981) 98° (2010) 0.11" 0"
Sep 22 62° 84° 47° (1897) 96° (2010) 0.1" 0"
Sep 23 62° 83° 43° (1999) 98° (1921) 0.1" 0"
Sep 24 61° 83° 42° (1896) 97° (1931) 0.11" 0"
Sep 25 61° 83° 43° (1990) 97° (1961) 0.11" 0"
Sep 26 60° 82° 45° (1950) 97° (1984) 0.11" 0"
Sep 27 60° 82° 46° (2001) 96° (1900) 0.12" 0"
Sep 28 59° 82° 41° (1985) 96° (1986) 0.11" 0"
Sep 29 59° 81° 43° (1985) 97° (1941) 0.12" 0"
Sep 30 59° 81° 40° (1967) 94° (1904) 0.11" 0"
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