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
Aug 1 17.2° 29.4° 10° (1976) 38.3° (2006) 0.13" NA
Aug 2 17.2° 29.4° 11° (1976) 39° (1988) 0.13" NA
Aug 3 17.2° 29.4° 6° (1976) 38° (1988) 0.13" NA
Aug 4 17.2° 29.4° 7° (1972) 38° (1988) 0.13" NA
Aug 5 17.2° 29.4° 8° (1972) 36° (1988) 0.13" NA
Aug 6 17.2° 28.9° 7° (1994) 36° (1968) 0.13" NA
Aug 7 17.2° 28.9° 8° (1989) 36° (1968) 0.13" NA
Aug 8 17.2° 28.9° 9° (1975) 36° (1980) 0.13" NA
Aug 9 16.7° 28.9° 6° (1976) 38° (1988) 0.13" NA
Aug 10 16.7° 28.9° 8° (1972) 36° (1983) 0.14" NA
Aug 11 16.7° 28.9° 8° (1968) 35° (1983) 0.14" NA
Aug 12 16.7° 28.9° 6° (1967) 36° (1988) 0.14" NA
Aug 13 16.7° 28.9° 7° (2004) 35° (1988) 0.14" NA
Aug 14 16.7° 28.9° 8° (2004) 34° (1995) 0.14" NA
Aug 15 16.7° 28.3° 7° (1992) 36° (1988) 0.14" NA
Aug 16 16.1° 28.3° 8° (2004) 37° (1988) 0.14" NA
Aug 17 16.1° 28.3° 7° (1992) 39° (1988) 0.14" NA
Aug 18 16.1° 28.3° 7° (1963) 39° (1988) 0.13" NA
Aug 19 16.1° 28.3° 10° (1981) 38° (1988) 0.13" NA
Aug 20 16.1° 28.3° 8° (1992) 38° (1983) 0.13" NA
Aug 21 15.6° 27.8° 7° (1992) 37° (1983) 0.13" NA
Aug 22 15.6° 27.8° 9° (1969) 37° (2003) 0.13" NA
Aug 23 15.6° 27.8° 8° (1984) 36° (1975) 0.13" NA
Aug 24 15.6° 27.8° 8° (1987) 34° (1975) 0.13" NA
Aug 25 15° 27.8° 10° (1977) 34° (1991) 0.13" NA
Aug 26 15° 27.8° 8° (1964) 36° (2003) 0.13" NA
Aug 27 15° 27.2° 11° (1967) 36° (1973) 0.13" NA
Aug 28 14.4° 27.2° 4° (1986) 35° (1976) 0.13" NA
Aug 29 14.4° 27.2° 5° (1986) 36° (1991) 0.13" NA
Aug 30 14.4° 27.2° 8° (1967) 33° (1983) 0.13" NA
Aug 31 13.9° 27.2° 5° (1967) 33° (1973) 0.13" NA
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