Rochester, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 35° -22° (1884) 73° (1909) 1.82" 6.4"
February 23° 40° -24° (1905) 78° (1930) 1.89" 5.5"
March 32° 52° -12° (1960) 91° (1907) 2.63" 2.5"
April 42° 65° 17° (1920) 90° (1986) 3.51" 0.3"
May 53° 75° 28° (1966) 101° (1934) 4.24" 0"
June 62° 83° 39° (2003) 104° (1934) 4.46" 0"
July 65° 86° 48° (1975) 112° (1954) 3.94" 0"
August 64° 85° 43° (1986) 108° (1934) 3.24" 0"
September 55° 79° 31° (1899) 101° (1984) 2.9" 0"
October 44° 66° 13° (1925) 93° (2006) 3.15" 0"
November 34° 52° -3° (1964) 83° (1950) 3.21" 0.6"
December 23° 38° -21° (1989) 74° (1984) 2.52" 5.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 27° 45° -8° (1960) 73° (1992) 0.08" 0.1"
Mar 2 28° 46° -2° (1980) 76° (1992) 0.07" 0.1"
Mar 3 28° 46° 3° (2002) 80° (1974) 0.08" 0.2"
Mar 4 28° 47° -6° (1978) 79° (1961) 0.08" 0.1"
Mar 5 29° 47° -12° (1960) 76° (1956) 0.09" 0.1"
Mar 6 29° 48° -9° (1960) 83° (1956) 0.08" 0.1"
Mar 7 29° 48° 2° (1943) 81° (2000) 0.08" 0.1"
Mar 8 30° 49° 2° (1996) 79° (2000) 0.09" 0.1"
Mar 9 30° 49° 6° (1969) 75° (1925) 0.08" 0.2"
Mar 10 30° 50° 4° (1969) 80° (1955) 0.08" 0.1"
Mar 11 31° 50° 0° (1948) 82° (1972) 0.08" 0.1"
Mar 12 31° 50° -8° (1948) 80° (1990) 0.08" 0.1"
Mar 13 31° 51° 3° (1968) 83° (1918) 0.08" 0"
Mar 14 32° 51° 7° (1960) 75° (2007) 0.08" 0.1"
Mar 15 32° 52° 4° (1890) 79° (1995) 0.08" 0.1"
Mar 16 32° 52° 6° (1900) 82° (1945) 0.09" 0.1"
Mar 17 33° 53° 3° (1906) 79° (1894) 0.08" 0.1"
Mar 18 33° 53° 5° (1923) 77° (1886) 0.09" 0"
Mar 19 33° 54° 2° (1923) 80° (1907) 0.08" 0.1"
Mar 20 34° 54° 10° (1965) 81° (1921) 0.09" 0.1"
Mar 21 34° 54° 7° (1960) 91° (1907) 0.08" 0"
Mar 22 34° 55° 6° (1888) 84° (1907) 0.09" 0.1"
Mar 23 35° 55° 5° (1974) 86° (1910) 0.09" 0.1"
Mar 24 35° 56° 3° (1974) 84° (1929) 0.09" 0"
Mar 25 35° 56° 7° (1960) 82° (1907) 0.08" 0.1"
Mar 26 36° 57° 6° (1955) 81° (1991) 0.09" 0"
Mar 27 36° 57° 14° (1955) 84° (1910) 0.09" 0.1"
Mar 28 36° 57° 14° (1934) 86° (1985) 0.09" 0"
Mar 29 37° 58° 19° (1894) 86° (1986) 0.09" 0"
Mar 30 37° 58° 17° (1964) 83° (1986) 0.1" 0.1"
Mar 31 37° 59° 15° (1923) 87° (1981) 0.1" 0"
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