Raritan, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 32° -23° (1982) 70° (1950) 1.47" 7"
February 18° 38° -30° (1905) 76° (1930) 1.68" 5.5"
March 29° 50° -13° (1960) 88° (1910) 2.86" 3.8"
April 39° 62° 9° (1975) 94° (1930) 3.82" 1.1"
May 50° 73° 26° (1906) 105° (1934) 4.58" 0"
June 60° 83° 37° (1903) 108° (1934) 4.38" 0"
July 64° 87° 42° (1975) 110° (1936) 4.54" 0"
August 62° 85° 36° (1915) 113° (1934) 3.54" 0"
September 54° 77° 25° (1942) 103° (1913) 3.99" 0"
October 42° 66° 1° (1925) 96° (2006) 2.85" 0.1"
November 31° 50° -3° (1929) 83° (1950) 3.15" 1.8"
December 19° 36° -26° (1924) 72° (1998) 2.28" 5.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 14° 32° -12° (1968) 59° (1952) 0.05" NA
Jan 2 14° 32° -16° (1979) 58° (1950) 0.05" NA
Jan 3 14° 32° -20° (1904) 66° (2004) 0.05" NA
Jan 4 14° 32° -20° (1919) 65° (1998) 0.05" NA
Jan 5 14° 32° -22° (1999) 64° (1997) 0.05" NA
Jan 6 13° 32° -18° (1999) 54° (1933) 0.05" NA
Jan 7 13° 32° -20° (1912) 70° (1907) 0.05" NA
Jan 8 13° 31° -11° (1942) 62° (1965) 0.05" NA
Jan 9 13° 31° -11° (1945) 64° (1939) 0.05" NA
Jan 10 13° 31° -23° (1982) 60° (1911) 0.05" NA
Jan 11 13° 31° -16° (1977) 54° (1980) 0.05" NA
Jan 12 13° 31° -21° (1912) 61° (1960) 0.05" NA
Jan 13 13° 31° -21° (1912) 59° (1960) 0.05" NA
Jan 14 13° 31° -21° (1957) 64° (1928) 0.05" NA
Jan 15 13° 31° -22° (1927) 61° (1949) 0.05" NA
Jan 16 13° 31° -19° (1977) 61° (1933) 0.04" NA
Jan 17 13° 31° -22° (1977) 66° (1990) 0.04" NA
Jan 18 13° 31° -23° (1930) 63° (1996) 0.04" NA
Jan 19 13° 31° -18° (1940) 69° (1952) 0.04" NA
Jan 20 13° 31° -21° (1985) 68° (1906) 0.04" NA
Jan 21 13° 32° -20° (1970) 68° (1957) 0.04" NA
Jan 22 13° 32° -23° (1930) 62° (1967) 0.04" NA
Jan 23 13° 32° -22° (1936) 70° (1909) 0.04" NA
Jan 24 13° 32° -19° (1915) 70° (1950) 0.05" NA
Jan 25 13° 32° -16° (1940) 67° (1950) 0.05" NA
Jan 26 13° 32° -21° (1936) 58° (2005) 0.05" NA
Jan 27 13° 32° -19° (1936) 64° (1944) 0.05" NA
Jan 28 14° 33° -22° (1915) 63° (2002) 0.05" NA
Jan 29 14° 33° -20° (1904) 58° (1914) 0.05" NA
Jan 30 14° 33° -16° (1936) 60° (1988) 0.05" NA
Jan 31 14° 33° -19° (1936) 60° (1988) 0.05" NA
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