Deer Grove, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 29° -27° (1985) 73° (1942) 1.29" 9.9"
February 17° 34° -26° (1905) 70° (2000) 1.64" 7.7"
March 28° 47° -13° (1962) 87° (1986) 2.15" 3.3"
April 39° 61° 6° (1982) 93° (1986) 3.18" 0.6"
May 50° 72° 24° (2005) 105° (1934) 4.36" 0"
June 59° 81° 37° (1945) 106° (1934) 4.56" 0"
July 63° 84° 44° (1904) 111° (1936) 3.85" 0"
August 61° 82° 36° (1923) 105° (1936) 4.44" 0"
September 52° 75° 24° (1942) 101° (1953) 3.12" 0"
October 40° 63° 10° (1925) 92° (1963) 2.89" 0.1"
November 30° 48° -8° (1977) 81° (1950) 2.44" 1.4"
December 17° 34° -23° (1924) 68° (1998) 1.96" 9.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 62° 83° 51° (1908) 104° (1988) 0.15" 0"
Aug 2 62° 83° 49° (1985) 100° (1940) 0.14" 0"
Aug 3 62° 82° 46° (1912) 102° (1930) 0.14" 0"
Aug 4 62° 82° 46° (1912) 101° (1916) 0.14" 0"
Aug 5 62° 82° 48° (1994) 102° (1918) 0.14" 0"
Aug 6 62° 82° 47° (1997) 101° (1947) 0.15" 0"
Aug 7 62° 82° 46° (1989) 99° (1984) 0.14" 0"
Aug 8 62° 82° 47° (1904) 102° (1988) 0.14" 0"
Aug 9 62° 82° 47° (1922) 101° (1913) 0.13" 0"
Aug 10 62° 82° 47° (1972) 100° (1944) 0.14" 0"
Aug 11 62° 82° 46° (1982) 99° (1941) 0.14" 0"
Aug 12 62° 82° 48° (1967) 99° (1918) 0.15" 0"
Aug 13 62° 82° 44° (2004) 97° (1944) 0.15" 0"
Aug 14 61° 82° 46° (2004) 97° (1944) 0.15" 0"
Aug 15 61° 82° 45° (1979) 101° (1988) 0.15" 0"
Aug 16 61° 82° 45° (1992) 102° (1988) 0.16" 0"
Aug 17 61° 82° 49° (1992) 103° (1988) 0.16" 0"
Aug 18 61° 82° 47° (1981) 105° (1936) 0.15" 0"
Aug 19 61° 82° 47° (1915) 102° (1983) 0.15" 0"
Aug 20 61° 82° 41° (1950) 102° (1983) 0.15" 0"
Aug 21 61° 82° 47° (1956) 100° (1983) 0.14" 0"
Aug 22 60° 82° 42° (1923) 101° (1936) 0.15" 0"
Aug 23 60° 81° 46° (1952) 100° (1947) 0.14" 0"
Aug 24 60° 81° 42° (1920) 100° (1936) 0.14" 0"
Aug 25 60° 81° 43° (1917) 96° (2003) 0.14" 0"
Aug 26 60° 81° 45° (1910) 96° (1953) 0.14" 0"
Aug 27 59° 81° 36° (1923) 96° (1953) 0.14" 0"
Aug 28 59° 81° 39° (1915) 99° (1984) 0.13" 0"
Aug 29 59° 81° 41° (1934) 100° (1984) 0.13" 0"
Aug 30 59° 80° 38° (1915) 98° (1953) 0.14" 0"
Aug 31 58° 80° 40° (1967) 102° (1953) 0.13" 0"
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