Peoria Heights, 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
Dec 1 26° 42° -4° (1893) 65° (1970) 0.09" 0.2"
Dec 2 26° 41° -6° (1886) 71° (1982) 0.1" 0.1"
Dec 3 25° 41° -4° (1929) 71° (1970) 0.09" 0.2"
Dec 4 25° 40° -6° (1893) 69° (1998) 0.09" 0.2"
Dec 5 24° 40° 0° (2005) 67° (2001) 0.09" 0.2"
Dec 6 24° 39° -5° (1977) 66° (1980) 0.09" 0.2"
Dec 7 23° 39° -9° (1977) 67° (1916) 0.09" 0.2"
Dec 8 23° 38° -4° (2006) 69° (1991) 0.09" 0.2"
Dec 9 23° 38° -10° (1958) 67° (1918) 0.09" 0.2"
Dec 10 22° 37° -10° (1977) 64° (1889) 0.09" 0.2"
Dec 11 22° 37° -11° (1917) 64° (1949) 0.09" 0.3"
Dec 12 22° 37° -10° (1962) 62° (1991) 0.08" 0.2"
Dec 13 21° 36° -8° (1958) 63° (1975) 0.08" 0.2"
Dec 14 21° 36° -7° (1989) 66° (1975) 0.08" 0.3"
Dec 15 21° 36° -14° (1989) 63° (1971) 0.07" 0.2"
Dec 16 21° 35° -14° (1951) 62° (1984) 0.07" 0.3"
Dec 17 20° 35° -8° (1945) 59° (1895) 0.08" 0.2"
Dec 18 20° 35° -12° (1985) 62° (1939) 0.07" 0.2"
Dec 19 20° 35° -15° (1983) 61° (1988) 0.07" 0.3"
Dec 20 20° 35° -12° (1989) 62° (1949) 0.07" 0.2"
Dec 21 19° 34° -18° (1989) 60° (1967) 0.07" 0.3"
Dec 22 19° 34° -23° (1989) 58° (1933) 0.07" 0.3"
Dec 23 19° 34° -22° (1989) 65° (1933) 0.07" 0.2"
Dec 24 19° 34° -18° (1983) 65° (1889) 0.07" 0.3"
Dec 25 19° 34° -14° (1983) 62° (1936) 0.07" 0.2"
Dec 26 18° 33° -19° (1914) 59° (1942) 0.07" 0.3"
Dec 27 18° 33° -18° (1924) 64° (1946) 0.07" 0.2"
Dec 28 18° 33° -24° (1924) 70° (1984) 0.06" 0.3"
Dec 29 18° 33° -13° (1917) 65° (1984) 0.07" 0.2"
Dec 30 18° 33° -12° (1909) 64° (2002) 0.06" 0.3"
Dec 31 18° 33° -14° (1967) 60° (1896) 0.07" 0.2"
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