Arlington Heights, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 28° -26° (1985) 62° (1967) 1.9" 11.6"
February 17° 33° -21° (1977) 69° (2000) 1.97" 7.3"
March 26° 44° -9° (2002) 83° (1986) 2.29" 3.8"
April 38° 57° 5° (1982) 89° (1980) 3.56" 0.7"
May 48° 68° 22° (1966) 93° (1975) 4.24" 0"
June 58° 78° 35° (1993) 102° (1971) 3.85" 0"
July 63° 82° 38° (1965) 103° (1974) 3.78" 0"
August 61° 79° 38° (1986) 100° (1991) 4.86" 0"
September 52° 72° 25° (1964) 96° (1978) 3.4" 0"
October 41° 60° 14° (1988) 88° (1971) 3.1" 0.1"
November 30° 47° -10° (1976) 75° (1968) 3.04" 1.4"
December 18° 33° -20° (1983) 66° (1982) 2.26" 10"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 13° 29° -11° (1982) 64° (1989) 0.06" 0.3"
Feb 2 14° 30° -20° (1965) 52° (1968) 0.06" 0.4"
Feb 3 14° 30° -15° (1965) 49° (1991) 0.06" 0.3"
Feb 4 14° 30° -14° (1965) 55° (1992) 0.07" 0.3"
Feb 5 14° 30° -18° (1979) 53° (1964) 0.06" 0.3"
Feb 6 14° 31° -21° (1977) 53° (1964) 0.06" 0.3"
Feb 7 15° 31° -14° (1972) 47° (1987) 0.06" 0.3"
Feb 8 15° 31° -10° (1985) 52° (1987) 0.06" 0.3"
Feb 9 15° 31° -13° (1975) 60° (1990) 0.06" 0.3"
Feb 10 15° 32° -15° (1982) 53° (1966) 0.07" 0.3"
Feb 11 16° 32° -14° (1982) 56° (2009) 0.06" 0.3"
Feb 12 16° 32° -17° (1967) 53° (1987) 0.07" 0.3"
Feb 13 16° 33° -9° (1988) 58° (1984) 0.07" 0.3"
Feb 14 16° 33° -6° (1988) 55° (1984) 0.06" 0.2"
Feb 15 17° 33° -7° (1963) 56° (1984) 0.07" 0.3"
Feb 16 17° 34° -7° (2007) 61° (1976) 0.07" 0.2"
Feb 17 17° 34° -7° (2007) 54° (1981) 0.07" 0.2"
Feb 18 18° 34° -10° (2006) 56° (1981) 0.06" 0.3"
Feb 19 18° 35° -12° (1979) 53° (1981) 0.08" 0.2"
Feb 20 18° 35° -7° (1966) 57° (1981) 0.06" 0.2"
Feb 21 19° 35° -10° (1963) 62° (1983) 0.07" 0.3"
Feb 22 19° 36° -8° (1963) 56° (1991) 0.07" 0.2"
Feb 23 19° 36° -1° (1989) 61° (1984) 0.08" 0.2"
Feb 24 20° 36° -11° (1967) 63° (2000) 0.07" 0.2"
Feb 25 20° 37° -8° (2003) 60° (2002) 0.08" 0.2"
Feb 26 20° 37° -11° (1963) 69° (2000) 0.07" 0.2"
Feb 27 21° 37° -3° (1964) 61° (2000) 0.08" 0.2"
Feb 28 21° 38° -2° (2008) 67° (1976) 0.08" 0.2"
Feb 29 21° 38° -1° (1980) 55° (2000) 0.08" NA
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