La Salle, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -10° -1° -32.2° (1985) 19° (2008) 1.52" 8.1"
February -8° -29.4° (1979) 22.2° (1976) 1.66" 5.2"
March -2° -22.2° (2002) 27.8° (1998) 2.68" 3.3"
April 17° -10.6° (1982) 32.8° (1987) 3.38" 0.4"
May 23° -3.9° (1989) 34.4° (2006) 4.46" 0"
June 15° 28° 2.8° (1969) 38.3° (1988) 3.82" 0"
July 17° 29° 5.6° (1972) 40° (1983) 4.47" 0"
August 16° 28° 4.4° (1986) 39.4° (1988) 4.17" 0"
September 11° 25° -2.8° (1974) 36.7° (2000) 3.33" 0"
October 18° -8.9° (1988) 32.8° (2007) 3.09" 0.1"
November -1° -20.6° (1977) 26.1° (2000) 3.07" 0.6"
December -8° -29.4° (1989) 21.1° (1970) 2.36" 8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 13° -5° (1968) 26° (2010) 0.11" 0"
Apr 2 13° -6° (1992) 29° (2003) 0.1" 0.1"
Apr 3 14° -9° (1975) 27° (1999) 0.11" 0"
Apr 4 14° -9° (1975) 28° (1996) 0.11" 0"
Apr 5 14° -8° (1995) 26° (2005) 0.11" 0"
Apr 6 14° -8° (1979) 29° (1988) 0.11" 0.1"
Apr 7 15° -11° (1982) 29° (1991) 0.11" 0"
Apr 8 15° -11° (1972) 28° (2001) 0.11" 0"
Apr 9 15° -9° (1997) 27° (2001) 0.11" 0"
Apr 10 15° -8° (1997) 28° (1977) 0.11" 0"
Apr 11 16° -4° (1967) 29° (1977) 0.11" 0.1"
Apr 12 16° -6° (1976) 29° (1977) 0.11" 0"
Apr 13 16° -5° (1989) 28° (1996) 0.11" 0"
Apr 14 16° -5° (1989) 31° (1977) 0.11" 0"
Apr 15 17° -5° (1983) 30° (2003) 0.1" 0"
Apr 16 17° -3° (1983) 31° (2002) 0.12" 0"
Apr 17 17° -3° (1997) 31° (1977) 0.11" 0.1"
Apr 18 17° -4° (1990) 31° (2002) 0.11" 0"
Apr 19 17° -6° (1983) 32° (2002) 0.11" 0"
Apr 20 18° -1° (1983) 29° (1985) 0.11" 0"
Apr 21 18° -2° (1988) 33° (1987) 0.11" 0"
Apr 22 18° -2° (1978) 33° (1980) 0.12" 0"
Apr 23 18° -4° (1967) 32° (1980) 0.11" 0"
Apr 24 19° -6° (1967) 29° (1990) 0.11" 0"
Apr 25 19° -3° (1972) 31° (1990) 0.12" 0"
Apr 26 19° -3° (1972) 32° (1989) 0.12" 0"
Apr 27 19° -2° (1976) 31° (1994) 0.12" 0"
Apr 28 19° -2° (1967) 30° (1970) 0.12" 0"
Apr 29 20° -3° (1977) 30° (1970) 0.13" 0"
Apr 30 20° -1° (1977) 32° (1987) 0.13" 0"
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