Rockford, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 29° -27° (1982) 63° (1989) 1.37" 10.2"
February 18° 34° -25° (1933) 70° (2000) 1.47" 7.7"
March 28° 47° -11° (2002) 85° (1986) 2.32" 4.8"
April 38° 61° 5° (1982) 93° (1930) 3.35" 0.9"
May 48° 72° 24° (1966) 106° (1934) 4.02" 0"
June 59° 81° 35° (1945) 106° (1934) 4.65" 0"
July 63° 85° 43° (1967) 112° (1936) 3.95" 0"
August 61° 82° 35° (1915) 104° (1988) 4.59" 0"
September 52° 75° 24° (1942) 103° (1939) 3.35" 0"
October 41° 63° 7° (1925) 91° (1922) 2.67" 0.1"
November 30° 48° -10° (1977) 81° (1933) 2.58" 1.7"
December 18° 33° -24° (1983) 67° (2001) 1.98" 11.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 14° 30° -13° (1968) 57° (1897) 0.05" 0.3"
Jan 2 14° 30° -17° (1979) 59° (2000) 0.05" 0.4"
Jan 3 14° 30° -16° (1979) 57° (1998) 0.05" 0.3"
Jan 4 14° 30° -21° (1919) 60° (1997) 0.05" 0.3"
Jan 5 14° 30° -25° (1924) 54° (1909) 0.05" 0.4"
Jan 6 14° 29° -19° (1988) 60° (2008) 0.04" 0.3"
Jan 7 14° 29° -20° (1942) 63° (2008) 0.05" 0.4"
Jan 8 13° 29° -19° (1986) 55° (1965) 0.05" 0.3"
Jan 9 13° 29° -21° (1982) 56° (2002) 0.05" 0.4"
Jan 10 13° 29° -27° (1982) 55° (1975) 0.05" 0.3"
Jan 11 13° 29° -24° (1979) 50° (1980) 0.05" 0.4"
Jan 12 13° 29° -21° (1974) 55° (1960) 0.04" 0.3"
Jan 13 13° 29° -17° (1916) 54° (1961) 0.04" 0.3"
Jan 14 13° 29° -17° (1979) 58° (1928) 0.05" 0.4"
Jan 15 13° 29° -24° (1979) 55° (1953) 0.04" 0.3"
Jan 16 13° 29° -25° (2009) 53° (1933) 0.05" 0.3"
Jan 17 13° 29° -25° (1982) 53° (1990) 0.04" 0.3"
Jan 18 13° 29° -23° (1994) 57° (1996) 0.04" 0.4"
Jan 19 13° 29° -24° (1994) 53° (2006) 0.04" 0.3"
Jan 20 13° 29° -26° (1985) 51° (1921) 0.04" 0.3"
Jan 21 13° 29° -22° (1984) 60° (1906) 0.04" 0.3"
Jan 22 13° 29° -21° (1936) 55° (1964) 0.04" 0.3"
Jan 23 13° 30° -24° (1936) 55° (1909) 0.04" 0.3"
Jan 24 13° 30° -20° (1936) 61° (1909) 0.04" 0.3"
Jan 25 14° 30° -23° (1897) 54° (1973) 0.04" 0.3"
Jan 26 14° 30° -18° (1982) 61° (1944) 0.04" 0.4"
Jan 27 14° 30° -13° (1988) 61° (1944) 0.04" 0.3"
Jan 28 14° 30° -22° (1915) 55° (1944) 0.04" 0.3"
Jan 29 14° 30° -20° (1966) 55° (1914) 0.05" 0.3"
Jan 30 14° 30° -19° (1966) 52° (1944) 0.04" 0.4"
Jan 31 14° 30° -18° (1996) 63° (1989) 0.04" 0.3"
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