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
May 1 42° 66° 30° (1978) 85° (2001) 0.13" NA
May 2 42° 66° 30° (1978) 87° (1992) 0.13" NA
May 3 43° 67° 30° (2005) 82° (2001) 0.13" NA
May 4 43° 67° 30° (2005) 85° (2001) 0.13" NA
May 5 43° 67° 35° (2005) 86° (1980) 0.13" NA
May 6 44° 68° 32° (1989) 88° (1980) 0.13" NA
May 7 44° 68° 30° (1989) 86° (2004) 0.12" NA
May 8 45° 69° 31° (1989) 85° (1988) 0.12" NA
May 9 45° 69° 32° (1983) 87° (1979) 0.12" NA
May 10 45° 69° 32° (1977) 87° (1979) 0.12" NA
May 11 46° 70° 38° (1981) 89° (1987) 0.12" NA
May 12 46° 70° 30° (1981) 89° (1987) 0.12" NA
May 13 46° 71° 37° (1981) 85° (1993) 0.12" NA
May 14 47° 71° 35° (2002) 88° (1991) 0.12" NA
May 15 47° 71° 37° (1997) 88° (1987) 0.12" NA
May 16 47° 72° 35° (1997) 89° (2001) 0.12" NA
May 17 48° 72° 36° (1997) 92° (2001) 0.12" NA
May 18 48° 72° 35° (2002) 92° (2001) 0.12" NA
May 19 49° 73° 34° (2002) 91° (1996) 0.12" NA
May 20 49° 73° 39° (1981) 91° (1977) 0.12" NA
May 21 49° 74° 33° (2002) 90° (1977) 0.12" NA
May 22 50° 74° 34° (2002) 90° (1987) 0.12" NA
May 23 50° 74° 41° (1997) 88° (1977) 0.13" NA
May 24 50° 75° 40° (1992) 88° (1977) 0.13" NA
May 25 51° 75° 37° (1992) 89° (1977) 0.13" NA
May 26 51° 75° 34° (1979) 88° (1977) 0.13" NA
May 27 52° 76° 35° (1992) 92° (1985) 0.13" NA
May 28 52° 76° 37° (1992) 92° (1978) 0.13" NA
May 29 53° 76° 38° (1992) 93° (1991) 0.13" NA
May 30 53° 77° 39° (1984) 93° (2006) 0.13" NA
May 31 53° 77° 42° (1984) 93° (2006) 0.13" NA
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