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
Apr 1 32° 53° 16° (1924) 81° (2003) 0.1" NA
Apr 2 32° 53° 18° (1896) 80° (1963) 0.11" NA
Apr 3 33° 54° 15° (1954) 80° (1956) 0.11" NA
Apr 4 33° 54° 9° (1975) 84° (1929) 0.11" NA
Apr 5 33° 55° 15° (1995) 82° (1988) 0.11" NA
Apr 6 34° 55° 11° (1982) 86° (1929) 0.11" NA
Apr 7 34° 55° 5° (1982) 85° (1893) 0.11" NA
Apr 8 34° 56° 15° (1972) 85° (1931) 0.12" NA
Apr 9 34° 56° 17° (1997) 77° (1934) 0.12" NA
Apr 10 35° 57° 18° (1989) 93° (1930) 0.12" NA
Apr 11 35° 57° 19° (1973) 88° (1930) 0.12" NA
Apr 12 35° 58° 19° (1939) 84° (1941) 0.12" NA
Apr 13 36° 58° 18° (1950) 83° (2006) 0.12" NA
Apr 14 36° 59° 21° (1957) 85° (2003) 0.12" NA
Apr 15 37° 59° 16° (1928) 87° (2002) 0.12" NA
Apr 16 37° 59° 19° (1949) 86° (2002) 0.12" NA
Apr 17 37° 60° 24° (1983) 86° (1977) 0.12" NA
Apr 18 38° 60° 22° (1990) 91° (2002) 0.12" NA
Apr 19 38° 61° 16° (1983) 87° (1985) 0.13" NA
Apr 20 38° 61° 25° (1956) 89° (1987) 0.13" NA
Apr 21 39° 61° 24° (1988) 86° (1985) 0.13" NA
Apr 22 39° 62° 23° (1986) 91° (1980) 0.13" NA
Apr 23 39° 62° 22° (1927) 86° (1925) 0.13" NA
Apr 24 40° 63° 16° (1967) 88° (1915) 0.13" NA
Apr 25 40° 63° 25° (1934) 90° (1986) 0.13" NA
Apr 26 40° 64° 25° (1926) 90° (1986) 0.13" NA
Apr 27 41° 64° 26° (1933) 88° (1915) 0.13" NA
Apr 28 41° 64° 28° (1976) 86° (1952) 0.13" NA
Apr 29 42° 65° 27° (1958) 90° (1915) 0.12" NA
Apr 30 42° 65° 28° (1931) 91° (1942) 0.12" NA
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