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
Jul 1 17° 29° 7° (1988) 37° (1970) 0.14" 0"
Jul 2 17° 29° 7° (2001) 37° (1966) 0.13" 0"
Jul 3 17° 30° 7° (1968) 35° (1966) 0.14" 0"
Jul 4 17° 30° 8° (1967) 36° (1977) 0.14" 0"
Jul 5 17° 30° 6° (1972) 36° (1966) 0.14" 0"
Jul 6 17° 30° 6° (1967) 36° (1988) 0.14" 0"
Jul 7 17° 30° 10° (1984) 36° (1988) 0.14" 0"
Jul 8 17° 30° 10.6° (2006) 36° (1974) 0.15" 0"
Jul 9 17° 30° 11° (1968) 36° (1974) 0.15" 0"
Jul 10 17° 30° 9° (1975) 38° (1966) 0.15" 0"
Jul 11 17° 30° 9° (1975) 37° (1966) 0.16" 0"
Jul 12 17° 30° 11° (1976) 38° (1966) 0.15" 0"
Jul 13 17° 30° 8° (1975) 36° (1981) 0.15" 0"
Jul 14 17° 30° 11° (1967) 38° (1995) 0.15" 0"
Jul 15 17° 30° 9° (1967) 37° (1977) 0.15" 0"
Jul 16 17° 29° 10° (1967) 39° (1988) 0.16" 0"
Jul 17 17° 29° 8° (1976) 35° (1997) 0.15" 0"
Jul 18 17° 29° 9° (1979) 37° (1966) 0.15" 0"
Jul 19 17° 29° 11° (2003) 37° (1977) 0.14" 0"
Jul 20 17° 29° 10° (1970) 38° (1983) 0.15" 0"
Jul 21 17° 29° 9° (1970) 38° (1983) 0.15" 0"
Jul 22 17° 29° 8° (1970) 38° (1983) 0.15" 0"
Jul 23 17° 29° 11° (2000) 39° (1983) 0.15" 0"
Jul 24 17° 29° 9° (2000) 36° (1964) 0.14" 0"
Jul 25 17° 29° 10° (2000) 39° (2005) 0.14" 0"
Jul 26 17° 29° 9° (1977) 36° (1987) 0.14" 0"
Jul 27 17° 29° 7° (1977) 36° (1987) 0.13" 0"
Jul 28 17° 29° 10° (1994) 35° (1997) 0.14" 0"
Jul 29 17° 29° 8° (1984) 40° (1983) 0.13" 0"
Jul 30 17° 29° 8° (1984) 38° (1983) 0.13" 0"
Jul 31 17° 29° 10° (1984) 38° (1999) 0.14" 0"
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