Mount Vernon, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 44° -16° (1985) 74° (2004) 2.37" 2.1"
February 26° 49° -18° (1979) 83° (1962) 2.23" 2"
March 35° 58° -2° (2002) 85° (1995) 3.54" 1.8"
April 44° 67° 16° (2007) 92° (2006) 4.05" 0"
May 54° 75° 29° (1976) 95° (2006) 5.18" 0"
June 62° 84° 38° (2000) 100° (1988) 5.57" 0"
July 67° 89° 43° (1997) 106° (1986) 3.75" 0"
August 66° 89° 44° (1997) 105° (1999) 3.84" 0"
September 56° 81° 28° (1995) 106° (2000) 4.99" 0"
October 45° 70° 16° (1993) 93° (1963) 3.52" 0"
November 35° 58° 4° (1976) 85° (2006) 4.43" 0.2"
December 25° 46° -17° (1989) 75° (1998) 2.89" 2.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 62° 87° 43° (1967) 104° (2000) 0.16" 0"
Sep 2 62° 86° 52° (1967) 104° (2000) 0.16" 0"
Sep 3 62° 86° 42° (1974) 106° (2000) 0.16" 0"
Sep 4 61° 86° 38° (1974) 102° (2000) 0.16" 0"
Sep 5 61° 85° 42° (1997) 102° (1998) 0.16" 0"
Sep 6 61° 85° 43° (1988) 103° (1998) 0.16" 0"
Sep 7 60° 84° 47° (1976) 101° (1990) 0.16" 0"
Sep 8 60° 84° 45° (1986) 101° (1998) 0.16" 0"
Sep 9 59° 84° 46° (1999) 95° (1980) 0.16" 0"
Sep 10 59° 83° 42° (1976) 95° (2005) 0.18" 0"
Sep 11 59° 83° 39° (1997) 97° (2000) 0.18" 0"
Sep 12 58° 82° 42° (1997) 99° (2000) 0.18" 0"
Sep 13 58° 82° 40° (1996) 94° (1980) 0.18" 0"
Sep 14 57° 81° 41° (1999) 97° (2005) 0.18" 0"
Sep 15 57° 81° 38° (1961) 92° (1971) 0.17" 0"
Sep 16 56° 81° 39° (1979) 94° (1980) 0.18" 0"
Sep 17 56° 80° 38° (1981) 96° (1980) 0.17" 0"
Sep 18 55° 80° 34° (1981) 89° (1978) 0.17" 0"
Sep 19 55° 79° 37° (1991) 91° (2002) 0.17" 0"
Sep 20 54° 79° 37° (1991) 93° (2005) 0.16" 0"
Sep 21 54° 78° 32° (1983) 93° (1980) 0.17" 0"
Sep 22 53° 78° 29° (1995) 93° (1980) 0.17" 0"
Sep 23 53° 77° 28° (1995) 93° (2005) 0.17" 0"
Sep 24 53° 77° 30° (1989) 89° (2005) 0.15" 0"
Sep 25 52° 77° 31° (2001) 86° (1966) 0.17" 0"
Sep 26 52° 76° 33° (2001) 88° (1998) 0.16" 0"
Sep 27 51° 76° 37° (1985) 87° (1981) 0.17" 0"
Sep 28 51° 75° 32° (1967) 90° (1998) 0.16" 0"
Sep 29 50° 75° 30° (1967) 90° (2002) 0.16" 0"
Sep 30 50° 75° 29° (1984) 91° (2002) 0.15" 0"
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