Sugar Grove, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 30° -26° (1985) 66° (1989) 1.68" 7.8"
February 20° 35° -25° (1951) 72° (2000) 1.8" 6.8"
March 30° 47° -15° (1943) 83° (1986) 2.37" 2.5"
April 40° 60° 8° (1982) 92° (1930) 3.62" 0.6"
May 50° 71° 21° (1966) 104° (1934) 4.01" 0"
June 60° 80° 34° (1929) 106° (1934) 4.22" 0"
July 65° 84° 40° (1907) 111° (1936) 3.9" 0"
August 63° 82° 37° (1915) 105° (1934) 4.07" 0"
September 55° 75° 25° (1942) 103° (1939) 3.59" 0"
October 43° 62° 11° (1925) 90° (1971) 3.07" 0"
November 33° 48° -11° (1947) 81° (1950) 3.24" 0.8"
December 20° 34° -25° (1914) 69° (2001) 2.2" 8.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 61° 80° 39° (1949) 99° (1953) 0.13" 0"
Sep 2 61° 80° 34° (1909) 99° (1953) 0.13" 0"
Sep 3 60° 79° 39° (1908) 97° (1939) 0.12" 0"
Sep 4 60° 79° 39° (1928) 97° (1925) 0.13" 0"
Sep 5 60° 79° 40° (1997) 98° (1925) 0.13" 0"
Sep 6 59° 79° 39° (1924) 99° (1922) 0.13" 0"
Sep 7 59° 78° 39° (1956) 102° (1939) 0.13" 0"
Sep 8 58° 78° 38° (1956) 100° (1922) 0.13" 0"
Sep 9 58° 78° 41° (1914) 97° (1933) 0.13" 0"
Sep 10 58° 77° 37° (1924) 95° (1983) 0.12" 0"
Sep 11 57° 77° 31° (1917) 95° (1931) 0.12" 0"
Sep 12 57° 77° 35° (1917) 97° (1939) 0.12" 0"
Sep 13 56° 76° 33° (1953) 101° (1939) 0.12" 0"
Sep 14 56° 76° 33° (1902) 103° (1939) 0.12" 0"
Sep 15 55° 76° 35° (1904) 103° (1939) 0.12" 0"
Sep 16 55° 75° 29° (1916) 98° (1927) 0.12" 0"
Sep 17 54° 75° 33° (1937) 94° (1927) 0.12" 0"
Sep 18 54° 74° 30° (1916) 91° (1935) 0.11" 0"
Sep 19 53° 74° 30° (1916) 92° (1925) 0.12" 0"
Sep 20 53° 74° 29° (1956) 92° (1931) 0.12" 0"
Sep 21 53° 73° 35° (1901) 92° (1940) 0.13" 0"
Sep 22 52° 73° 31° (1913) 92° (1937) 0.11" 0"
Sep 23 52° 72° 28° (1995) 93° (1937) 0.12" 0"
Sep 24 51° 72° 28° (1928) 91° (1935) 0.11" 0"
Sep 25 51° 71° 26° (1942) 90° (1920) 0.11" 0"
Sep 26 50° 71° 25° (1928) 89° (1920) 0.12" 0"
Sep 27 50° 70° 30° (1918) 88° (1946) 0.11" 0"
Sep 28 49° 70° 25° (1942) 90° (1939) 0.11" 0"
Sep 29 49° 70° 29° (1949) 96° (1953) 0.1" 0"
Sep 30 48° 69° 29° (1949) 92° (1971) 0.1" 0"
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