Rockford, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 27° -27° (1982) 63° (1989) 1.41" 10.3"
February 16° 33° -25° (1933) 70° (2000) 1.34" 7.9"
March 27° 46° -11° (2002) 85° (1986) 2.39" 5.6"
April 37° 59° 5° (1982) 93° (1930) 3.62" 1.4"
May 48° 71° 24° (1966) 106° (1934) 4.03" 0"
June 58° 80° 35° (1945) 106° (1934) 4.8" 0"
July 63° 83° 43° (1967) 112° (1936) 4.1" 0"
August 61° 81° 35° (1915) 104° (1988) 4.21" 0"
September 52° 74° 24° (1942) 103° (1939) 3.47" 0"
October 40° 62° 7° (1925) 91° (1922) 2.57" 0.1"
November 29° 46° -10° (1977) 81° (1933) 2.63" 2.6"
December 17° 32° -24° (1983) 67° (2001) 2.06" 10.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 46° 69° 28° (2003) 90° (1971) 0.1" NA
Oct 2 45° 68° 23° (2003) 91° (1922) 0.09" NA
Oct 3 45° 68° 28° (1974) 90° (1997) 0.09" NA
Oct 4 45° 67° 24° (1989) 90° (1922) 0.09" NA
Oct 5 44° 67° 27° (1980) 90° (1922) 0.09" NA
Oct 6 44° 67° 23° (1952) 90° (1963) 0.09" NA
Oct 7 43° 66° 26° (2001) 88° (2007) 0.09" NA
Oct 8 43° 66° 24° (1987) 88° (1916) 0.09" NA
Oct 9 43° 65° 23° (1915) 84° (1920) 0.08" NA
Oct 10 42° 65° 22° (1925) 88° (1938) 0.08" NA
Oct 11 42° 64° 26° (1987) 88° (1920) 0.08" NA
Oct 12 42° 64° 24° (1988) 85° (1930) 0.08" NA
Oct 13 41° 63° 22° (1988) 87° (1975) 0.08" NA
Oct 14 41° 63° 23° (1937) 87° (1947) 0.08" NA
Oct 15 40° 63° 21° (1937) 89° (1947) 0.08" NA
Oct 16 40° 62° 27° (1991) 87° (1938) 0.08" NA
Oct 17 40° 62° 24° (1992) 87° (1950) 0.08" NA
Oct 18 39° 61° 19° (1952) 86° (1953) 0.08" NA
Oct 19 39° 61° 18° (1992) 84° (1953) 0.08" NA
Oct 20 39° 60° 19° (1930) 86° (1953) 0.08" NA
Oct 21 38° 60° 22° (1952) 87° (1947) 0.08" NA
Oct 22 38° 59° 20° (1930) 85° (1947) 0.08" NA
Oct 23 37° 58° 20° (1981) 83° (1963) 0.08" NA
Oct 24 37° 58° 18° (1981) 80° (1963) 0.08" NA
Oct 25 37° 57° 23° (1987) 78° (1989) 0.08" NA
Oct 26 36° 57° 18° (1962) 83° (1927) 0.08" NA
Oct 27 36° 56° 18° (1936) 84° (1927) 0.08" NA
Oct 28 36° 56° 9° (1925) 77° (1950) 0.08" NA
Oct 29 35° 55° 8° (1925) 81° (1922) 0.08" NA
Oct 30 35° 55° 7° (1925) 83° (1950) 0.08" NA
Oct 31 35° 54° 14° (1925) 84° (1950) 0.08" NA
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