Mount Vernon, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 31° -27° (1930) 68° (1989) 1.09" 8"
February 18° 36° -28° (1996) 73° (1921) 1.27" 6.8"
March 28° 49° -17° (1962) 88° (1986) 1.99" 4"
April 40° 64° 3° (1982) 94° (1925) 3.42" 1.6"
May 50° 74° 24° (1925) 104° (1934) 4.76" 0"
June 60° 82° 36° (1945) 103° (1934) 5.13" 0"
July 64° 85° 42° (1924) 110° (1911) 4.59" 0"
August 63° 83° 37° (1915) 108° (1936) 4.83" 0"
September 54° 77° 22° (1899) 105° (1925) 3.65" 0"
October 42° 64° -2° (1925) 94° (1997) 2.85" 0.3"
November 30° 48° -10° (1977) 80° (1999) 2.43" 2.1"
December 18° 33° -28° (1924) 69° (1998) 1.63" 8.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 56° 78° 38° (1993) 99° (1934) 0.17" 0"
Jun 2 56° 78° 42° (1924) 102° (1934) 0.17" 0"
Jun 3 56° 79° 38° (1946) 93° (1898) 0.17" 0"
Jun 4 57° 79° 36° (1945) 99° (1911) 0.18" 0"
Jun 5 57° 79° 39° (1926) 97° (1914) 0.17" 0"
Jun 6 57° 79° 42° (1924) 96° (1911) 0.18" 0"
Jun 7 58° 80° 39° (1897) 98° (1963) 0.17" 0"
Jun 8 58° 80° 41° (1913) 96° (1985) 0.18" 0"
Jun 9 58° 80° 41° (1913) 95° (1914) 0.17" 0"
Jun 10 59° 81° 38° (1928) 102° (1911) 0.17" 0"
Jun 11 59° 81° 40° (1972) 97° (1920) 0.18" 0"
Jun 12 59° 81° 43° (1903) 99° (1921) 0.17" 0"
Jun 13 60° 82° 42° (1933) 99° (1920) 0.17" 0"
Jun 14 60° 82° 39° (1933) 98° (1897) 0.18" 0"
Jun 15 60° 82° 42° (1927) 99° (1896) 0.16" 0"
Jun 16 61° 82° 44° (1961) 98° (1921) 0.17" 0"
Jun 17 61° 83° 44° (1915) 99° (1918) 0.17" 0"
Jun 18 61° 83° 46° (1950) 99° (1913) 0.16" 0"
Jun 19 62° 83° 45° (1926) 99° (1913) 0.17" 0"
Jun 20 62° 83° 46° (1914) 101° (1988) 0.16" 0"
Jun 21 62° 84° 42° (1945) 100° (1988) 0.17" 0"
Jun 22 62° 84° 44° (1902) 100° (1988) 0.17" 0"
Jun 23 62° 84° 45° (1902) 100° (1911) 0.17" 0"
Jun 24 63° 84° 46° (1936) 100° (1931) 0.18" 0"
Jun 25 63° 84° 45° (1929) 102° (1931) 0.17" 0"
Jun 26 63° 84° 46° (1926) 103° (1931) 0.18" 0"
Jun 27 63° 85° 42° (1926) 103° (1934) 0.17" 0"
Jun 28 63° 85° 40° (1925) 103° (1931) 0.17" 0"
Jun 29 64° 85° 47° (1929) 103° (1931) 0.17" 0"
Jun 30 64° 85° 43° (1943) 103° (1901) 0.16" 0"
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