Iroquois, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 33° -25° (1985) 77° (2005) 2.07" 7.8"
February 19° 38° -21° (1963) 72° (1996) 1.97" 6.9"
March 29° 50° -8° (1960) 90° (1949) 2.39" 3.5"
April 39° 63° 3° (1982) 89° (1986) 3.52" 1.1"
May 50° 74° 27° (1968) 95° (2001) 4.68" 0"
June 60° 83° 37° (2003) 104° (1988) 4.55" 0"
July 62° 85° 43° (2001) 104° (1954) 4.24" 0"
August 60° 84° 38° (1965) 104° (1988) 3.82" 0"
September 52° 79° 27° (1991) 100° (1953) 3.08" 0"
October 41° 66° 16° (1952) 92° (1954) 3.15" 0.1"
November 32° 52° -9° (1950) 81° (1950) 3.12" 2"
December 20° 37° -21° (1989) 70° (1982) 2.57" 6.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 24° 44° -5° (1960) 63° (1972) 0.06" NA
Mar 2 24° 44° -3° (1980) 69° (1974) 0.06" NA
Mar 3 25° 45° 2° (1996) 74° (1983) 0.06" NA
Mar 4 25° 45° -3° (2002) 76° (1983) 0.07" NA
Mar 5 25° 45° -5° (1960) 76° (1983) 0.06" NA
Mar 6 26° 46° -8° (1960) 72° (1956) 0.07" NA
Mar 7 26° 46° 4° (1955) 70° (1992) 0.07" NA
Mar 8 26° 47° -1° (1960) 74° (1987) 0.06" NA
Mar 9 27° 47° -6° (1984) 73° (1987) 0.07" NA
Mar 10 27° 48° -2° (1998) 70° (1955) 0.06" NA
Mar 11 27° 48° 5° (1979) 76° (1972) 0.06" NA
Mar 12 28° 49° 8° (1960) 76° (1990) 0.07" NA
Mar 13 28° 49° 5° (1968) 74° (1990) 0.06" NA
Mar 14 28° 49° 9° (1950) 75° (1990) 0.07" NA
Mar 15 29° 50° 11° (1993) 75° (1995) 0.08" NA
Mar 16 29° 50° 15° (1970) 75° (1995) 0.07" NA
Mar 17 29° 51° 13° (1949) 74° (1995) 0.08" NA
Mar 18 30° 51° 13° (1960) 74° (2003) 0.08" NA
Mar 19 30° 51° 15° (1965) 71° (1969) 0.08" NA
Mar 20 30° 52° 14° (1986) 80° (2003) 0.08" NA
Mar 21 31° 52° 12° (1951) 73° (1953) 0.08" NA
Mar 22 31° 53° 12° (2002) 75° (1991) 0.09" NA
Mar 23 31° 53° 4° (1983) 72° (1994) 0.08" NA
Mar 24 31° 54° 2° (1974) 90° (1949) 0.09" NA
Mar 25 32° 54° 4° (1974) 75° (1988) 0.08" NA
Mar 26 32° 54° 8° (1955) 78° (2007) 0.09" NA
Mar 27 32° 55° 6° (2002) 77° (2007) 0.09" NA
Mar 28 33° 55° 15° (1996) 78° (1985) 0.1" NA
Mar 29 33° 56° 18° (1964) 83° (1986) 0.1" NA
Mar 30 33° 56° 16° (1964) 81° (1986) 0.11" NA
Mar 31 33° 56° 15° (1969) 85° (1981) 0.11" NA
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