Mount Vernon, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 38° -21° (1994) 75° (1943) 2.34" 3.6"
February 24° 43° -20° (1905) 79° (1972) 2.95" 4.7"
March 33° 54° -10° (1978) 92° (1907) 3.87" 1.3"
April 44° 65° 17° (1923) 91° (1946) 4.36" 0.2"
May 54° 74° 29° (1904) 99° (1941) 5.16" 0"
June 63° 83° 36° (1924) 105° (1931) 3.88" 0"
July 67° 86° 46° (1947) 114° (1936) 3.68" 0"
August 65° 86° 42° (1986) 111° (1936) 2.96" 0"
September 56° 79° 28° (1928) 105° (1939) 3.22" 0"
October 44° 67° 18° (1981) 96° (1938) 3.65" 0.2"
November 35° 55° -5° (1929) 86° (1938) 4.21" 0.3"
December 24° 41° -19° (1989) 78° (1970) 3.22" 3.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 28° 47° 8° (1976) 71° (1970) 0.12" 0.1"
Dec 2 28° 46° 6° (1929) 78° (1970) 0.12" 0"
Dec 3 28° 46° -3° (1929) 75° (1982) 0.12" 0.1"
Dec 4 27° 45° 8° (1929) 70° (1916) 0.12" 0.1"
Dec 5 27° 45° 11° (1991) 69° (2001) 0.12" 0.1"
Dec 6 27° 44° 1° (2002) 70° (1956) 0.11" 0.1"
Dec 7 26° 44° 2° (1977) 72° (1916) 0.11" 0"
Dec 8 26° 43° 4° (1909) 69° (1923) 0.12" 0.1"
Dec 9 25° 43° -9° (1917) 68° (1907) 0.12" 0.1"
Dec 10 25° 43° -9° (1917) 69° (1971) 0.11" 0.1"
Dec 11 25° 42° -4° (1917) 71° (1931) 0.11" 0.1"
Dec 12 24° 42° -10° (1917) 69° (1929) 0.11" 0.1"
Dec 13 24° 42° -2° (1962) 65° (1927) 0.1" 0.1"
Dec 14 24° 41° -3° (1985) 65° (1975) 0.1" 0.1"
Dec 15 24° 41° -10° (1914) 73° (1933) 0.1" 0.2"
Dec 16 23° 41° -14° (1989) 67° (1924) 0.1" 0.1"
Dec 17 23° 41° -15° (1989) 67° (1984) 0.1" 0.1"
Dec 18 23° 40° -7° (1989) 66° (1984) 0.1" 0.2"
Dec 19 23° 40° -8° (1989) 61° (1966) 0.09" 0.1"
Dec 20 23° 40° -10° (1989) 66° (1949) 0.1" 0.2"
Dec 21 22° 40° -8° (1989) 67° (1949) 0.09" 0.1"
Dec 22 22° 39° -19° (1989) 65° (1933) 0.1" 0.1"
Dec 23 22° 39° -17° (1989) 68° (1933) 0.1" 0.1"
Dec 24 22° 39° -16° (1989) 65° (1940) 0.1" 0.2"
Dec 25 22° 39° -11° (1983) 65° (1982) 0.1" 0.1"
Dec 26 22° 39° -10° (1983) 74° (1942) 0.1" 0.1"
Dec 27 22° 39° -2° (1933) 70° (1923) 0.09" 0.2"
Dec 28 21° 38° -13° (1924) 69° (2008) 0.1" 0.2"
Dec 29 21° 38° -3° (1909) 69° (1984) 0.08" 0.1"
Dec 30 21° 38° -12° (1983) 69° (1965) 0.09" 0.2"
Dec 31 21° 38° -7° (1976) 72° (1951) 0.09" 0.1"
Advertisements
Track Severe Weather on mobile