Vergennes, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 41° -22° (1912) 76° (1943) 2.92" 3.7"
February 28° 46° -16° (1985) 79° (1932) 2.84" 3.7"
March 36° 57° -10° (1978) 92° (1910) 4.16" 0.8"
April 46° 68° 20° (1944) 92° (1989) 4.26" 0.2"
May 56° 77° 29° (1929) 97° (1911) 5.71" 0"
June 64° 85° 39° (1917) 106° (1988) 4.51" 0"
July 68° 88° 47° (1947) 113° (1934) 3.86" 0"
August 65° 88° 43° (1986) 113° (1930) 3.14" 0"
September 57° 81° 28° (1942) 108° (1925) 3.36" 0"
October 46° 70° 20° (1981) 96° (1953) 3.86" 0.2"
November 36° 57° -4° (1929) 85° (1955) 4.23" 0.2"
December 27° 44° -15° (1901) 76° (1908) 3.55" 3.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 62° 86° 47° (1915) 101° (1953) 0.1" 0"
Sep 2 62° 85° 46° (1949) 102° (1913) 0.1" 0"
Sep 3 62° 85° 46° (1924) 105° (1925) 0.1" 0"
Sep 4 61° 85° 44° (1928) 106° (1925) 0.1" 0"
Sep 5 61° 85° 43° (1902) 107° (1925) 0.1" 0"
Sep 6 60° 84° 43° (1924) 108° (1925) 0.11" 0"
Sep 7 60° 84° 41° (1988) 104° (1925) 0.11" 0"
Sep 8 60° 84° 42° (1944) 105° (1925) 0.11" 0"
Sep 9 59° 83° 44° (1943) 105° (1925) 0.11" 0"
Sep 10 59° 83° 41° (1924) 102° (1919) 0.12" 0"
Sep 11 59° 83° 36° (1940) 98° (1925) 0.11" 0"
Sep 12 58° 82° 37° (1940) 100° (1939) 0.12" 0"
Sep 13 58° 82° 34° (1902) 103° (1939) 0.12" 0"
Sep 14 57° 81° 34° (1902) 104° (1939) 0.12" 0"
Sep 15 57° 81° 38° (1902) 104° (1939) 0.11" 0"
Sep 16 56° 81° 36° (1916) 99° (1927) 0.12" 0"
Sep 17 56° 80° 38° (1937) 100° (1931) 0.11" 0"
Sep 18 56° 80° 35° (1901) 100° (1925) 0.11" 0"
Sep 19 55° 79° 32° (1901) 99° (1925) 0.11" 0"
Sep 20 55° 79° 37° (1918) 98° (1940) 0.11" 0"
Sep 21 54° 79° 34° (1918) 100° (1940) 0.12" 0"
Sep 22 54° 78° 33° (1983) 99° (1940) 0.11" 0"
Sep 23 53° 78° 31° (1983) 94° (1941) 0.11" 0"
Sep 24 53° 77° 30° (1927) 96° (1935) 0.12" 0"
Sep 25 53° 77° 37° (1965) 95° (1939) 0.12" 0"
Sep 26 52° 77° 30° (1928) 93° (1908) 0.11" 0"
Sep 27 52° 76° 34° (1942) 94° (1911) 0.12" 0"
Sep 28 51° 76° 28° (1942) 97° (1939) 0.11" 0"
Sep 29 51° 75° 28° (1942) 92° (1923) 0.12" 0"
Sep 30 51° 75° 33° (1924) 94° (1971) 0.12" 0"
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