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
Feb 1 14° 33° -16° (1904) 69° (1989) 0.05" NA
Feb 2 15° 34° -22° (1905) 58° (1931) 0.05" NA
Feb 3 15° 34° -22° (1996) 62° (1931) 0.05" NA
Feb 4 15° 34° -21° (1996) 68° (1992) 0.05" NA
Feb 5 15° 34° -20° (1936) 64° (1946) 0.05" NA
Feb 6 16° 35° -17° (1982) 65° (1904) 0.05" NA
Feb 7 16° 35° -18° (1905) 58° (1925) 0.05" NA
Feb 8 16° 35° -14° (1933) 59° (1925) 0.05" NA
Feb 9 16° 36° -20° (1933) 67° (1943) 0.06" NA
Feb 10 17° 36° -15° (1901) 74° (1932) 0.06" NA
Feb 11 17° 36° -15° (1936) 67° (1932) 0.06" NA
Feb 12 17° 36° -14° (1944) 70° (1938) 0.06" NA
Feb 13 18° 37° -30° (1905) 66° (1921) 0.06" NA
Feb 14 18° 37° -10° (1905) 68° (1954) 0.06" NA
Feb 15 18° 38° -20° (1905) 70° (1954) 0.06" NA
Feb 16 18° 38° -14° (1958) 68° (1921) 0.06" NA
Feb 17 19° 38° -18° (1903) 62° (1981) 0.06" NA
Feb 18 19° 39° -16° (1936) 67° (1913) 0.06" NA
Feb 19 19° 39° -14° (1936) 72° (1930) 0.06" NA
Feb 20 20° 39° -8° (1929) 67° (1983) 0.06" NA
Feb 21 20° 40° -8° (1963) 70° (1930) 0.07" NA
Feb 22 21° 40° -6° (1963) 69° (1922) 0.07" NA
Feb 23 21° 41° -8° (1910) 67° (2000) 0.07" NA
Feb 24 21° 41° -6° (1910) 76° (1930) 0.07" NA
Feb 25 22° 41° -9° (1940) 75° (1930) 0.07" NA
Feb 26 22° 42° -10° (1950) 72° (2000) 0.07" NA
Feb 27 22° 42° -15° (1934) 72° (1976) 0.07" NA
Feb 28 23° 43° -6° (1962) 70° (1932) 0.07" NA
Feb 29 23° 43° 1° (1960) 74° (1972) 0.07" NA
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