Vandalia, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 36° -21° (1985) 69° (1997) 2.63" 4.4"
February 24° 42° -16° (1996) 77° (2000) 2.64" 2.9"
March 33° 53° -9° (1978) 84° (1985) 3.24" 1.6"
April 43° 65° 20° (1983) 89° (1987) 3.7" 0.2"
May 53° 74° 31° (1976) 92° (2006) 5" 0"
June 63° 84° 41° (1992) 101° (1988) 4.15" 0"
July 67° 87° 49° (1975) 104° (1980) 3.6" 0"
August 64° 86° 43° (1986) 104° (1983) 3.2" 0"
September 55° 79° 30° (1995) 98° (1983) 2.85" 0"
October 43° 67° 22° (1979) 91° (2007) 3.24" 0"
November 35° 54° 5° (1977) 81° (2003) 4.02" 0.4"
December 24° 40° -17° (1989) 72° (1982) 3.09" 2.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 21° 38° -12° (1979) 68° (1989) 0.09" 0.1"
Feb 2 21° 38° -8° (1979) 57° (1998) 0.09" 0.2"
Feb 3 21° 38° -15° (1996) 54° (1991) 0.09" 0.1"
Feb 4 22° 38° -16° (1996) 64° (1992) 0.09" 0.2"
Feb 5 22° 39° -10° (1985) 66° (2008) 0.08" 0.1"
Feb 6 22° 39° -7° (1984) 56° (2005) 0.09" 0.1"
Feb 7 22° 39° -10° (1977) 57° (1987) 0.09" 0.1"
Feb 8 22° 39° -4° (1979) 57° (1987) 0.09" 0.1"
Feb 9 22° 40° -12° (1979) 64° (1990) 0.09" 0.1"
Feb 10 23° 40° -11° (1979) 66° (2009) 0.09" 0.1"
Feb 11 23° 40° -5° (1981) 71° (1976) 0.1" 0.1"
Feb 12 23° 41° -3° (1981) 69° (1999) 0.09" 0.1"
Feb 13 23° 41° 2° (1995) 65° (1990) 0.1" 0.2"
Feb 14 24° 41° 10° (2007) 62° (1990) 0.09" 0.1"
Feb 15 24° 41° 5° (2007) 63° (1984) 0.1" 0.1"
Feb 16 24° 42° 2° (2007) 71° (1976) 0.08" 0.1"
Feb 17 24° 42° 3° (2007) 70° (1976) 0.09" 0"
Feb 18 25° 42° -4° (1993) 62° (1994) 0.09" 0.1"
Feb 19 25° 43° -4° (1993) 66° (1994) 0.09" 0.1"
Feb 20 25° 43° 6° (1978) 66° (1994) 0.09" 0.1"
Feb 21 25° 44° 14° (1978) 70° (1983) 0.09" 0.1"
Feb 22 26° 44° 10° (1978) 68° (1983) 0.1" 0.1"
Feb 23 26° 44° 8° (1978) 69° (1983) 0.09" 0.1"
Feb 24 26° 45° 8° (1993) 66° (1996) 0.09" 0"
Feb 25 27° 45° 8° (1974) 77° (2000) 0.1" 0.1"
Feb 26 27° 45° 8° (1974) 73° (2000) 0.09" 0.1"
Feb 27 27° 46° 3° (1993) 74° (1996) 0.09" 0.1"
Feb 28 28° 46° 3° (1993) 72° (1976) 0.09" 0.1"
Feb 29 28° 46° 16° (1996) 68° (1992) 0.09" NA
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