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
Aug 1 63° 83° 48° (1924) 101° (1988) 0.13" NA
Aug 2 63° 83° 44° (1927) 99° (1991) 0.13" NA
Aug 3 63° 83° 43° (1927) 100° (1930) 0.13" NA
Aug 4 63° 83° 46° (1912) 99° (1947) 0.13" NA
Aug 5 63° 82° 47° (1948) 104° (1918) 0.13" NA
Aug 6 63° 82° 47° (1948) 102° (1918) 0.13" NA
Aug 7 63° 82° 49° (1990) 101° (1918) 0.13" NA
Aug 8 63° 82° 42° (1904) 99° (1934) 0.14" NA
Aug 9 62° 82° 43° (1927) 100° (1936) 0.14" NA
Aug 10 62° 82° 48° (1917) 98° (1944) 0.14" NA
Aug 11 62° 82° 47° (1982) 101° (1941) 0.14" NA
Aug 12 62° 82° 44° (1967) 99° (1918) 0.14" NA
Aug 13 62° 82° 46° (1931) 96° (1944) 0.14" NA
Aug 14 62° 81° 43° (1964) 97° (1944) 0.14" NA
Aug 15 61° 81° 44° (1929) 99° (1988) 0.14" NA
Aug 16 61° 81° 44° (1992) 104° (1988) 0.14" NA
Aug 17 61° 81° 46° (1924) 102° (1988) 0.14" NA
Aug 18 61° 81° 45° (1963) 101° (1936) 0.14" NA
Aug 19 61° 81° 44° (1915) 100° (1947) 0.14" NA
Aug 20 60° 80° 47° (1940) 100° (1947) 0.14" NA
Aug 21 60° 80° 45° (1950) 100° (1955) 0.14" NA
Aug 22 60° 80° 41° (1923) 101° (1936) 0.14" NA
Aug 23 60° 80° 42° (1920) 101° (1947) 0.14" NA
Aug 24 59° 80° 41° (1920) 102° (1947) 0.14" NA
Aug 25 59° 80° 41° (1958) 97° (2003) 0.14" NA
Aug 26 59° 79° 42° (1934) 97° (1953) 0.13" NA
Aug 27 59° 79° 40° (1915) 97° (1953) 0.13" NA
Aug 28 58° 79° 38° (1915) 97° (1955) 0.13" NA
Aug 29 58° 79° 39° (1934) 98° (1948) 0.13" NA
Aug 30 58° 78° 35° (1915) 99° (1953) 0.13" NA
Aug 31 57° 78° 41° (1915) 101° (1953) 0.13" NA
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