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
Feb 1 -10.6° -1.1° -25° (1996) 21° (1989) 0.04" NA
Feb 2 -10.6° -0.6° -27° (1996) 11° (1990) 0.04" NA
Feb 3 -10.6° -0.6° -29° (1996) 12° (1987) 0.04" NA
Feb 4 -10° -0.6° -28° (1996) 13° (1992) 0.04" NA
Feb 5 -10° -0.6° -29° (1979) 13° (2005) 0.04" NA
Feb 6 -10° -27° (1982) 13° (2005) 0.04" NA
Feb 7 -10° -25° (1972) 11° (1965) 0.04" NA
Feb 8 -9.4° -23° (1985) 12° (1966) 0.05" NA
Feb 9 -9.4° 0.6° -28° (1979) 17° (1990) 0.05" NA
Feb 10 -9.4° 0.6° -24° (1982) 16° (1976) 0.05" NA
Feb 11 -9.4° 0.6° -23° (1986) 15° (1999) 0.05" NA
Feb 12 -8.9° 1.1° -25° (1981) 21° (1999) 0.05" NA
Feb 13 -8.9° 1.1° -23° (1986) 16° (1990) 0.05" NA
Feb 14 -8.9° 1.1° -21° (1986) 14° (1976) 0.05" NA
Feb 15 -8.3° 1.7° -22.8° (2007) 20° (1976) 0.05" NA
Feb 16 -8.3° 1.7° -22.2° (2007) 18° (1976) 0.05" NA
Feb 17 -8.3° 1.7° -22° (1973) 11° (1974) 0.05" NA
Feb 18 -7.8° 2.2° -22° (1978) 14° (1981) 0.05" NA
Feb 19 -7.8° 2.2° -25° (1979) 15° (1981) 0.05" NA
Feb 20 -7.8° 2.8° -18.3° (2006) 16° (1981) 0.05" NA
Feb 21 -7.2° 2.8° -20° (1968) 18° (1983) 0.06" NA
Feb 22 -7.2° 2.8° -21° (1978) 15° (1991) 0.06" NA
Feb 23 -6.7° 3.3° -21° (1989) 17° (2000) 0.06" NA
Feb 24 -6.7° 3.3° -22° (1989) 18° (1976) 0.06" NA
Feb 25 -6.7° 3.9° -21° (1967) 20° (1976) 0.06" NA
Feb 26 -6.1° 3.9° -21° (2003) 22° (2000) 0.06" NA
Feb 27 -6.1° 3.9° -22° (1994) 22° (1976) 0.06" NA
Feb 28 -5.6° 4.4° -18° (1994) 18° (1976) 0.07" NA
Feb 29 -5.6° 4.4° -13° (1968) 19° (1972) 0.07" NA
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