Mackinaw, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 33° -27° (1884) 71° (1909) 1.78" 6.9"
February 21° 38° -26° (1905) 74° (1932) 1.87" 6.2"
March 31° 50° -11° (1943) 87° (1907) 2.8" 2.7"
April 42° 63° 14° (1982) 92° (1986) 3.63" 0.6"
May 52° 73° 25° (1966) 104° (1934) 4.33" 0"
June 61° 82° 39° (1993) 105° (1988) 3.53" 0"
July 66° 86° 46° (1911) 113° (1936) 3.85" 0"
August 64° 84° 41° (1986) 106° (1936) 3.24" 0"
September 55° 77° 24° (1942) 104° (1899) 3.15" 0"
October 44° 65° 7° (1925) 93° (2006) 2.84" 0"
November 33° 50° -2° (1977) 81° (1950) 3.13" 1.1"
December 21° 36° -24° (1924) 71° (1982) 2.42" 7.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 18° 33° -14° (1968) 63° (1897) 0.07" 0.2"
Jan 2 18° 33° -20° (1887) 65° (2004) 0.06" 0.2"
Jan 3 17° 33° -14° (1979) 61° (1998) 0.07" 0.3"
Jan 4 17° 33° -17° (1884) 65° (1997) 0.06" 0.2"
Jan 5 17° 33° -27° (1884) 60° (1890) 0.07" 0.2"
Jan 6 17° 33° -21° (1884) 65° (2008) 0.06" 0.3"
Jan 7 17° 33° -21° (1887) 67° (2008) 0.07" 0.2"
Jan 8 17° 33° -13° (1970) 60° (1965) 0.06" 0.2"
Jan 9 17° 33° -15° (1883) 60° (1939) 0.06" 0.3"
Jan 10 17° 33° -18° (1982) 59° (1975) 0.06" 0.2"
Jan 11 17° 33° -19° (1918) 62° (1890) 0.06" 0.2"
Jan 12 17° 33° -21° (1918) 66° (1890) 0.06" 0.2"
Jan 13 17° 33° -17° (1916) 60° (1932) 0.05" 0.2"
Jan 14 17° 33° -19° (1979) 64° (1928) 0.06" 0.3"
Jan 15 17° 33° -22° (1979) 63° (1949) 0.06" 0.2"
Jan 16 17° 33° -21° (2009) 62° (1990) 0.06" 0.2"
Jan 17 17° 33° -25° (1977) 67° (1894) 0.06" 0.2"
Jan 18 17° 33° -19° (1930) 59° (1951) 0.05" 0.2"
Jan 19 17° 33° -21° (1994) 63° (1952) 0.06" 0.3"
Jan 20 17° 33° -22° (1985) 65° (1906) 0.05" 0.2"
Jan 21 17° 33° -19° (1883) 62° (1957) 0.05" 0.2"
Jan 22 17° 33° -22° (1883) 62° (1967) 0.06" 0.2"
Jan 23 17° 33° -20° (1936) 71° (1909) 0.05" 0.2"
Jan 24 17° 33° -13° (1915) 68° (1950) 0.05" 0.2"
Jan 25 17° 33° -17° (1894) 68° (1950) 0.05" 0.3"
Jan 26 17° 33° -11° (1936) 60° (2002) 0.05" 0.2"
Jan 27 17° 33° -14° (1955) 63° (1944) 0.05" 0.2"
Jan 28 17° 33° -22° (1885) 62° (1914) 0.05" 0.2"
Jan 29 17° 34° -14° (1966) 61° (1914) 0.05" 0.2"
Jan 30 18° 34° -12° (1966) 56° (1988) 0.05" 0.3"
Jan 31 18° 34° -13° (1996) 70° (1989) 0.06" 0.2"
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