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
Mar 1 23° 43° -10° (1962) 65° (1909) 0.07" NA
Mar 2 23° 44° -10° (1913) 74° (1976) 0.08" NA
Mar 3 24° 44° 0° (1943) 78° (1983) 0.08" NA
Mar 4 24° 45° -8° (2002) 77° (1961) 0.08" NA
Mar 5 25° 45° -13° (1960) 71° (1956) 0.08" NA
Mar 6 25° 46° -12° (1960) 71° (1974) 0.08" NA
Mar 7 25° 46° -5° (1943) 74° (1925) 0.08" NA
Mar 8 26° 47° -9° (1943) 79° (2000) 0.08" NA
Mar 9 26° 47° -2° (1996) 78° (2000) 0.08" NA
Mar 10 27° 47° -11° (1934) 75° (1955) 0.08" NA
Mar 11 27° 48° 0° (1948) 80° (1972) 0.09" NA
Mar 12 27° 48° -5° (1948) 77° (2006) 0.09" NA
Mar 13 28° 49° -4° (1912) 86° (1918) 0.09" NA
Mar 14 28° 49° 2° (1960) 79° (1990) 0.09" NA
Mar 15 28° 50° 9° (1906) 76° (1995) 0.09" NA
Mar 16 29° 50° 4° (1912) 84° (1945) 0.09" NA
Mar 17 29° 51° -3° (1906) 79° (1945) 0.09" NA
Mar 18 30° 51° 5° (1960) 80° (1918) 0.09" NA
Mar 19 30° 51° -5° (1923) 83° (1921) 0.1" NA
Mar 20 30° 52° -2° (1906) 82° (1921) 0.1" NA
Mar 21 31° 52° 5° (1951) 87° (1907) 0.1" NA
Mar 22 31° 53° 2° (2002) 80° (1907) 0.1" NA
Mar 23 31° 53° 9° (1960) 88° (1910) 0.1" NA
Mar 24 32° 53° 4° (1974) 83° (1967) 0.1" NA
Mar 25 32° 54° 4° (1960) 83° (1907) 0.1" NA
Mar 26 32° 54° 3° (1955) 82° (1907) 0.1" NA
Mar 27 33° 55° 13° (1964) 85° (1910) 0.11" NA
Mar 28 33° 55° 15° (1921) 85° (1910) 0.11" NA
Mar 29 33° 56° 14° (1969) 84° (1910) 0.11" NA
Mar 30 34° 56° 14° (1964) 87° (1986) 0.11" NA
Mar 31 34° 56° 10° (1923) 82° (1986) 0.11" NA
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