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
Aug 1 17° 29° 10° (1976) 38.3° (2006) 0.14" 0"
Aug 2 17° 29° 11° (1976) 39° (1988) 0.14" 0"
Aug 3 17° 29° 6° (1976) 38° (1988) 0.13" 0"
Aug 4 17° 29° 7° (1972) 38° (1988) 0.13" 0"
Aug 5 17° 29° 8° (1972) 36° (1988) 0.12" 0"
Aug 6 17° 29° 7° (1994) 36° (1968) 0.14" 0"
Aug 7 17° 29° 8° (1989) 36° (1968) 0.12" 0"
Aug 8 17° 29° 9° (1975) 36° (1980) 0.13" 0"
Aug 9 17° 29° 6° (1976) 38° (1988) 0.12" 0"
Aug 10 17° 29° 8° (1972) 36° (2005) 0.13" 0"
Aug 11 17° 29° 8° (1968) 35° (1983) 0.12" 0"
Aug 12 16° 28° 6° (1967) 36° (1988) 0.13" 0"
Aug 13 16° 28° 7° (2004) 35° (1988) 0.13" 0"
Aug 14 16° 28° 8° (2004) 34° (1995) 0.14" 0"
Aug 15 16° 28° 7° (1992) 36° (1988) 0.14" 0"
Aug 16 16° 28° 8° (2004) 37° (1988) 0.14" 0"
Aug 17 16° 28° 7° (1992) 39° (1988) 0.14" 0"
Aug 18 16° 28° 7° (1963) 39° (1988) 0.15" 0"
Aug 19 16° 28° 10° (1981) 38° (1988) 0.14" 0"
Aug 20 16° 28° 8° (1992) 38° (1983) 0.13" 0"
Aug 21 16° 28° 7° (1992) 37° (1983) 0.13" 0"
Aug 22 16° 28° 9° (1969) 37° (2003) 0.14" 0"
Aug 23 16° 28° 8° (1984) 36° (1975) 0.14" 0"
Aug 24 16° 28° 8° (1987) 34° (1975) 0.14" 0"
Aug 25 15° 28° 10° (1977) 34° (1991) 0.14" 0"
Aug 26 15° 28° 8° (1964) 36° (2003) 0.13" 0"
Aug 27 15° 28° 11° (1967) 36° (1973) 0.14" 0"
Aug 28 15° 28° 4° (1986) 35° (1976) 0.14" 0"
Aug 29 15° 28° 5° (1986) 36° (1991) 0.14" 0"
Aug 30 15° 28° 8° (1967) 35° (2010) 0.13" 0"
Aug 31 15° 28° 5° (1967) 33° (1973) 0.14" 0"
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