Plainfield, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 30° -26° (1985) 65° (1997) 1.58" NA
February 19° 35° -20° (1979) 73° (2000) 1.64" NA
March 28° 47° -7° (2002) 86° (1986) 2.46" NA
April 37° 60° 11° (1982) 92° (1986) 3.75" NA
May 48° 72° 30° (2005) 93° (2006) 3.87" NA
June 58° 81° 35° (1985) 104° (1988) 4.22" NA
July 63° 85° 47° (1983) 103° (1995) 4.34" NA
August 61° 82° 39° (1986) 102° (1988) 3.82" NA
September 53° 76° 32° (1983) 97° (1978) 3.14" NA
October 41° 64° 17° (1976) 88° (2007) 2.7" NA
November 31° 48° -2° (1977) 78° (1978) 3" NA
December 20° 35° -20° (1983) 70° (1982) 2.44" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 47° 71° 34° (1984) 85° (1994) 0.09" NA
Oct 2 47° 70° 30° (2003) 84° (1980) 0.09" NA
Oct 3 46° 70° 32° (2003) 86° (1976) 0.09" NA
Oct 4 46° 70° 33° (1987) 87° (1997) 0.09" NA
Oct 5 45° 69° 30° (1980) 84° (2007) 0.09" NA
Oct 6 45° 69° 32° (1985) 87° (1997) 0.09" NA
Oct 7 44° 68° 32° (1991) 88° (2007) 0.09" NA
Oct 8 44° 68° 29° (1987) 87° (2007) 0.09" NA
Oct 9 44° 68° 29° (1987) 87° (2007) 0.09" NA
Oct 10 43° 67° 30° (2000) 77° (1991) 0.09" NA
Oct 11 43° 67° 31° (1987) 81° (1999) 0.08" NA
Oct 12 42° 66° 30° (1987) 79° (1995) 0.08" NA
Oct 13 42° 66° 28° (1988) 86° (1975) 0.08" NA
Oct 14 42° 65° 28° (1988) 86° (1975) 0.08" NA
Oct 15 41° 65° 28° (1988) 85° (1989) 0.08" NA
Oct 16 41° 64° 30° (1977) 82° (1989) 0.08" NA
Oct 17 41° 64° 30° (1992) 80° (1998) 0.08" NA
Oct 18 40° 63° 28° (1976) 79° (1994) 0.08" NA
Oct 19 40° 63° 25° (1992) 78° (2007) 0.08" NA
Oct 20 40° 62° 25° (1992) 79° (1995) 0.09" NA
Oct 21 39° 62° 31° (1987) 85° (2003) 0.09" NA
Oct 22 39° 61° 23° (1976) 84° (1979) 0.09" NA
Oct 23 39° 61° 23° (1976) 79° (1975) 0.09" NA
Oct 24 38° 60° 21° (1981) 78° (1992) 0.09" NA
Oct 25 38° 60° 22° (1981) 77° (1989) 0.09" NA
Oct 26 38° 59° 24° (1979) 77° (1989) 0.09" NA
Oct 27 37° 59° 24° (1979) 77° (2000) 0.09" NA
Oct 28 37° 58° 24° (1976) 76° (1989) 0.09" NA
Oct 29 37° 58° 17° (1976) 81° (1999) 0.09" NA
Oct 30 37° 57° 21° (1988) 79° (2004) 0.09" NA
Oct 31 36° 57° 22° (1988) 76° (1999) 0.09" NA
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