Lewistown, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 37° -24° (1918) 73° (1989) 1.44" 5"
February 24° 42° -20° (1996) 78° (1930) 1.79" 4.7"
March 33° 55° -11° (1960) 88° (1928) 2.51" 1.7"
April 44° 67° 5° (1920) 94° (1930) 3.64" 0.3"
May 54° 75° 29° (2005) 102° (1934) 4.87" 0"
June 63° 84° 41° (1966) 106° (1918) 4.31" 0"
July 67° 88° 42° (1930) 115° (1936) 4.17" 0"
August 65° 87° 39° (1986) 113° (1934) 3.58" 0"
September 57° 79° 24° (1942) 107° (1925) 3.81" 0"
October 46° 68° 7° (1925) 98° (1939) 3.21" 0"
November 35° 53° -10° (1964) 84° (1937) 3.01" 0.5"
December 23° 39° -26° (1989) 71° (1949) 2.04" 4.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 49° 71° 31° (1950) 90° (2002) 0.14" 0"
May 2 49° 72° 32° (1961) 89° (1968) 0.14" 0"
May 3 50° 72° 30° (1976) 90° (1928) 0.16" 0"
May 4 50° 72° 29° (2005) 89° (1949) 0.15" 0"
May 5 50° 72° 34° (1944) 95° (2002) 0.15" 0"
May 6 51° 73° 29° (1989) 95° (2002) 0.15" 0"
May 7 51° 73° 30° (1989) 89° (2004) 0.15" 0"
May 8 51° 73° 33° (1980) 93° (2002) 0.16" 0"
May 9 52° 73° 30° (1923) 92° (1963) 0.15" 0"
May 10 52° 74° 29° (1966) 92° (1928) 0.16" 0"
May 11 52° 74° 30° (1923) 88° (1922) 0.15" 0"
May 12 53° 74° 35° (1989) 94° (1956) 0.17" 0"
May 13 53° 74° 34° (1923) 90° (1956) 0.16" 0"
May 14 53° 75° 34° (1920) 90° (1968) 0.15" 0"
May 15 54° 75° 34° (1959) 90° (1968) 0.16" 0"
May 16 54° 75° 35° (1929) 89° (1944) 0.15" 0"
May 17 54° 75° 39° (1973) 90° (1926) 0.16" 0"
May 18 54° 76° 37° (1945) 91° (1964) 0.16" 0"
May 19 55° 76° 40° (1993) 91° (1962) 0.16" 0"
May 20 55° 76° 36° (1926) 97° (1944) 0.15" 0"
May 21 55° 76° 34° (1967) 95° (1925) 0.16" 0"
May 22 56° 77° 34° (1931) 93° (1956) 0.16" 0"
May 23 56° 77° 34° (1963) 93° (1921) 0.16" 0"
May 24 56° 77° 39° (1924) 94° (1921) 0.16" 0"
May 25 57° 78° 30° (1925) 93° (1921) 0.16" 0"
May 26 57° 78° 38° (1961) 95° (1926) 0.17" 0"
May 27 57° 78° 36° (1992) 92° (2006) 0.16" 0"
May 28 58° 78° 38° (1992) 93° (2006) 0.17" 0"
May 29 58° 79° 36° (1947) 95° (1926) 0.17" 0"
May 30 58° 79° 39° (1984) 100° (1934) 0.16" 0"
May 31 59° 79° 40° (1930) 102° (1934) 0.16" 0"
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