La Salle, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 29° -26° (1985) 64° (1997) 1.46" NA
February 17° 35° -21° (1979) 72° (1976) 1.42" NA
March 28° 47° -8° (2002) 82° (1998) 2.67" NA
April 38° 61° 13° (1982) 91° (1987) 3.6" NA
May 49° 73° 25° (1989) 94° (2006) 4.55" NA
June 59° 82° 37° (1969) 101° (1988) 4.1" NA
July 63° 85° 42° (1972) 104° (1983) 4.04" NA
August 61° 83° 40° (1986) 103° (1988) 4.11" NA
September 52° 77° 27° (1974) 98° (2000) 3.63" NA
October 41° 65° 16° (1988) 91° (2007) 3" NA
November 30° 48° -5° (1977) 79° (2000) 2.83" NA
December 18° 35° -21° (1989) 70° (1970) 2.29" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 43° 67° 30° (1978) 87° (2007) 0.14" NA
May 2 44° 68° 29° (1978) 89° (1992) 0.14" NA
May 3 44° 68° 28° (2005) 86° (1969) 0.14" NA
May 4 44° 68° 27° (2005) 88° (2001) 0.14" NA
May 5 45° 69° 28° (2005) 87° (1982) 0.14" NA
May 6 45° 69° 25° (1974) 85° (2000) 0.14" NA
May 7 45° 70° 25° (1989) 88° (2004) 0.14" NA
May 8 46° 70° 31° (1989) 87° (1979) 0.14" NA
May 9 46° 70° 31° (1966) 89° (1979) 0.14" NA
May 10 47° 71° 27° (1966) 90° (1979) 0.15" NA
May 11 47° 71° 35° (1969) 88° (1987) 0.15" NA
May 12 47° 71° 32° (1981) 90° (1987) 0.15" NA
May 13 48° 72° 31° (1981) 88° (1982) 0.15" NA
May 14 48° 72° 32° (1981) 90° (1991) 0.15" NA
May 15 48° 72° 32° (1973) 90° (1998) 0.15" NA
May 16 49° 73° 33° (1997) 90° (1977) 0.15" NA
May 17 49° 73° 34° (1973) 93° (2001) 0.15" NA
May 18 49° 74° 33° (2002) 93° (1964) 0.15" NA
May 19 50° 74° 33° (2002) 93° (1996) 0.15" NA
May 20 50° 74° 37° (1967) 93° (1996) 0.15" NA
May 21 51° 75° 31° (2002) 90° (1972) 0.15" NA
May 22 51° 75° 32° (2002) 92° (1964) 0.15" NA
May 23 51° 75° 35° (1979) 90° (1964) 0.15" NA
May 24 52° 76° 36° (1992) 91° (1972) 0.15" NA
May 25 52° 76° 31° (1992) 92° (1967) 0.15" NA
May 26 52° 76° 35° (1992) 93° (1977) 0.15" NA
May 27 53° 77° 32° (1992) 92° (1978) 0.15" NA
May 28 53° 77° 33° (1992) 92° (1978) 0.15" NA
May 29 53° 78° 36° (1984) 94° (2006) 0.15" NA
May 30 54° 78° 39° (1996) 93° (2006) 0.15" NA
May 31 54° 78° 40° (1972) 92° (1994) 0.14" NA
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