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
Jul 1 16.7° 29.4° 7° (1988) 37° (1970) 0.13" NA
Jul 2 16.7° 29.4° 7° (2001) 37° (1966) 0.13" NA
Jul 3 16.7° 29.4° 7° (1968) 35° (1966) 0.13" NA
Jul 4 16.7° 29.4° 8° (1967) 36° (1977) 0.13" NA
Jul 5 17.2° 29.4° 6° (1972) 36° (1966) 0.13" NA
Jul 6 17.2° 29.4° 6° (1967) 36° (1988) 0.13" NA
Jul 7 17.2° 29.4° 10° (1984) 36° (1988) 0.13" NA
Jul 8 17.2° 29.4° 10.6° (2006) 36° (1974) 0.13" NA
Jul 9 17.2° 29.4° 11° (1968) 36° (1974) 0.13" NA
Jul 10 17.2° 29.4° 9° (1975) 38° (1966) 0.13" NA
Jul 11 17.2° 29.4° 9° (1975) 37° (1966) 0.13" NA
Jul 12 17.2° 29.4° 11° (1976) 38° (1966) 0.13" NA
Jul 13 17.2° 30° 8° (1975) 36° (1981) 0.13" NA
Jul 14 17.2° 30° 11° (1967) 38° (1995) 0.13" NA
Jul 15 17.2° 30° 9° (1967) 37° (1977) 0.13" NA
Jul 16 17.2° 30° 10° (1967) 39° (1988) 0.13" NA
Jul 17 17.2° 30° 8° (1976) 35° (1997) 0.13" NA
Jul 18 17.2° 30° 9° (1979) 37° (1966) 0.13" NA
Jul 19 17.2° 30° 11° (2003) 37° (1977) 0.13" NA
Jul 20 17.8° 30° 10° (1970) 38° (1983) 0.13" NA
Jul 21 17.8° 30° 9° (1970) 38° (1983) 0.13" NA
Jul 22 17.8° 29.4° 8° (1970) 38° (1983) 0.13" NA
Jul 23 17.8° 29.4° 11° (2000) 39° (1983) 0.13" NA
Jul 24 17.8° 29.4° 9° (2000) 36° (1964) 0.13" NA
Jul 25 17.8° 29.4° 10° (2000) 39° (2005) 0.13" NA
Jul 26 17.8° 29.4° 9° (1977) 36° (1987) 0.13" NA
Jul 27 17.2° 29.4° 7° (1977) 36° (1987) 0.13" NA
Jul 28 17.2° 29.4° 10° (1994) 35° (1997) 0.13" NA
Jul 29 17.2° 29.4° 8° (1984) 40° (1983) 0.13" NA
Jul 30 17.2° 29.4° 8° (1984) 38° (1983) 0.13" NA
Jul 31 17.2° 29.4° 10° (1984) 38° (1999) 0.14" NA
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