Garden Plain, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 30° -23° (1999) 62° (1981) 1.38" 7.4"
February 17° 35° -26° (1996) 68° (1976) 1.55" 5.3"
March 28° 46° -14° (1962) 82° (1986) 2.36" 4.7"
April 40° 60° 13° (1982) 91° (1980) 3.01" 0.9"
May 50° 72° 30° (2005) 92° (1991) 3.69" 0"
June 61° 81° 40° (1993) 98° (1988) 4.16" 0"
July 65° 85° 46° (2000) 102° (2005) 3.3" 0"
August 63° 83° 42° (1999) 102° (1988) 4.33" 0"
September 54° 76° 30° (1991) 96° (1985) 2.83" 0"
October 42° 63° 13° (1952) 90° (2006) 2.82" 0"
November 31° 48° -5° (1977) 82° (2000) 2.47" 1"
December 19° 34° -22° (2000) 66° (2001) 1.77" 6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 24° 39° 2° (1976) 61° (1970) 0.07" NA
Dec 2 24° 39° 4° (1966) 62° (1951) 0.07" NA
Dec 3 23° 38° 0° (1985) 65° (1951) 0.07" NA
Dec 4 23° 38° -2° (1991) 62° (1960) 0.06" NA
Dec 5 22° 37° -2° (1991) 64° (1998) 0.07" NA
Dec 6 22° 37° -3° (1977) 66° (2001) 0.06" NA
Dec 7 22° 36° -6° (1972) 59° (1951) 0.07" NA
Dec 8 21° 36° -9° (2005) 54° (1952) 0.07" NA
Dec 9 21° 35° -15° (1958) 60° (1991) 0.06" NA
Dec 10 20° 35° -15° (1958) 52° (1993) 0.06" NA
Dec 11 20° 35° -20° (1972) 65° (1949) 0.07" NA
Dec 12 20° 34° -9° (1958) 61° (1949) 0.06" NA
Dec 13 19° 34° -16° (2000) 59° (1991) 0.06" NA
Dec 14 19° 34° -11° (1985) 60° (1975) 0.05" NA
Dec 15 18° 33° -12° (1989) 55° (2006) 0.06" NA
Dec 16 18° 33° -13° (1951) 56° (1984) 0.06" NA
Dec 17 18° 33° -10° (1989) 57° (1984) 0.06" NA
Dec 18 17° 32° -10° (1985) 55° (1962) 0.05" NA
Dec 19 17° 32° -15° (1983) 52° (2002) 0.05" NA
Dec 20 17° 32° -15° (1983) 56° (1967) 0.06" NA
Dec 21 17° 32° -15° (1963) 58° (1967) 0.05" NA
Dec 22 16° 31° -18° (1989) 55° (1957) 0.05" NA
Dec 23 16° 31° -18° (1989) 56° (1965) 0.06" NA
Dec 24 16° 31° -21° (1989) 55° (1979) 0.05" NA
Dec 25 16° 31° -21° (2000) 57° (1982) 0.05" NA
Dec 26 15° 31° -22° (2000) 56° (1982) 0.04" NA
Dec 27 15° 31° -20° (1950) 55° (1959) 0.05" NA
Dec 28 15° 31° -9° (1961) 60° (1982) 0.05" NA
Dec 29 15° 30° -9° (2000) 66° (1984) 0.04" NA
Dec 30 14° 30° -11° (1963) 50° (1965) 0.05" NA
Dec 31 14° 30° -12° (1963) 58° (1965) 0.04" NA
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