La Salle, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -11° -2° -32.2° (1985) 17.8° (1997) 1.46" NA
February -8° -29.4° (1979) 22.2° (1976) 1.42" NA
March -2° -22.2° (2002) 27.8° (1998) 2.67" NA
April 16° -10.6° (1982) 32.8° (1987) 3.6" NA
May 23° -3.9° (1989) 34.4° (2006) 4.55" NA
June 15° 28° 2.8° (1969) 38.3° (1988) 4.1" NA
July 17° 29° 5.6° (1972) 40° (1983) 4.04" NA
August 16° 28° 4.4° (1986) 39.4° (1988) 4.11" NA
September 11° 25° -2.8° (1974) 36.7° (2000) 3.63" NA
October 18° -8.9° (1988) 32.8° (2007) 3" NA
November -1° -20.6° (1977) 26.1° (2000) 2.83" NA
December -8° -29.4° (1989) 21.1° (1970) 2.29" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 7.8° 22.2° 0° (1974) 32° (1971) 0.11" NA
Oct 2 7.8° 21.7° -4° (1974) 32° (1976) 0.11" NA
Oct 3 7.2° 21.7° -3° (2003) 31° (1976) 0.11" NA
Oct 4 7.2° 21.1° -3° (1989) 31.7° (2006) 0.1" NA
Oct 5 7.2° 21.1° -2° (1980) 29.4° (2007) 0.1" NA
Oct 6 6.7° 21.1° -2° (1988) 33° (1963) 0.1" NA
Oct 7 6.7° 20.6° -2° (2000) 31.7° (2007) 0.1" NA
Oct 8 6.1° 20.6° -4° (1987) 32.8° (2007) 0.1" NA
Oct 9 6.1° 20° -3° (1987) 31.1° (2007) 0.1" NA
Oct 10 6.1° 20° -4° (1964) 29° (1963) 0.1" NA
Oct 11 5.6° 19.4° -4° (1987) 29° (1973) 0.1" NA
Oct 12 5.6° 19.4° -4° (1988) 28° (1997) 0.1" NA
Oct 13 5.6° 19.4° -5° (1988) 30° (1975) 0.1" NA
Oct 14 18.9° -2° (1993) 29° (1989) 0.1" NA
Oct 15 18.9° -3° (1972) 30° (1989) 0.1" NA
Oct 16 18.3° -3° (1970) 28° (1999) 0.1" NA
Oct 17 4.4° 18.3° -4° (1970) 28° (1964) 0.1" NA
Oct 18 4.4° 17.8° -7° (1976) 29° (1965) 0.09" NA
Oct 19 4.4° 17.8° -9° (1972) 27° (1971) 0.09" NA
Oct 20 3.9° 17.2° -5° (1992) 28° (1971) 0.09" NA
Oct 21 3.9° 17.2° -3° (2002) 31° (1979) 0.09" NA
Oct 22 3.3° 16.7° -5° (1976) 29° (1963) 0.09" NA
Oct 23 3.3° 16.1° -4° (1969) 29° (1963) 0.09" NA
Oct 24 3.3° 16.1° -7° (1981) 28° (1963) 0.09" NA
Oct 25 2.8° 15.6° -5° (1999) 26° (1963) 0.09" NA
Oct 26 2.8° 15.6° -5° (1979) 28° (1963) 0.09" NA
Oct 27 2.8° 15° -5° (1969) 26° (2000) 0.09" NA
Oct 28 2.2° 15° -9° (1976) 24° (1966) 0.09" NA
Oct 29 2.2° 14.4° -5° (1988) 27° (1999) 0.09" NA
Oct 30 2.2° 13.9° -9° (1988) 27° (1971) 0.09" NA
Oct 31 1.7° 13.9° -5° (1988) 27° (1968) 0.1" NA
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