Des Moines, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -10° -1° -34.4° (1884) 19.4° (2003) 1.02" 8.2"
February -7° -32.2° (1996) 25.6° (1930) 1.31" 8.3"
March -1° -30° (1962) 32.8° (1986) 2.27" 4.8"
April 17° -12.8° (1975) 33.9° (1980) 3.86" 1.8"
May 11° 22° -3.3° (1907) 40.6° (1934) 4.74" 0"
June 17° 28° 2.8° (1889) 39.4° (1988) 4.94" 0"
July 19° 30° 8.3° (1971) 43.3° (1936) 4.47" 0"
August 18° 29° 4.4° (1950) 43.3° (1918) 4.13" 0"
September 13° 25° -3.3° (1942) 38.3° (1939) 3.05" 0"
October 17° -13.9° (1925) 35° (1963) 2.64" 0.2"
November -1° -23.3° (1891) 27.8° (1938) 2.19" 2.9"
December -8° -30° (1989) 20.6° (1984) 1.44" 8.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 19° 30° -18° (1898) 38° (1987) 0.14" 0"
Aug 2 19° 30° -18° (1907) 38° (1964) 0.14" 0"
Aug 3 19° 29° -18° (1927) 41° (1930) 0.13" 0"
Aug 4 19° 29° -18° (1894) 43° (1918) 0.13" 0"
Aug 5 19° 29° -18° (1889) 42° (1934) 0.14" 0"
Aug 6 19° 29° -18° (1989) 38° (1918) 0.13" 0"
Aug 7 19° 29° -18° (1989) 38° (1988) 0.13" 0"
Aug 8 19° 29° -18° (1904) 43° (1934) 0.14" 0"
Aug 9 19° 29° -18° (1888) 41° (1934) 0.13" 0"
Aug 10 19° 29° -18° (1917) 39° (1911) 0.13" 0"
Aug 11 19° 29° -18° (2004) 39° (1881) 0.13" 0"
Aug 12 19° 29° -18° (2004) 38° (1936) 0.14" 0"
Aug 13 19° 29° -18° (1964) 37° (1965) 0.14" 0"
Aug 14 19° 29° -18° (1994) 40° (1988) 0.14" 0"
Aug 15 19° 29° -18° (1929) 40° (1988) 0.14" 0"
Aug 16 18° 29° -18° (1992) 42° (1983) 0.15" 0"
Aug 17 18° 29° -18° (1897) 40° (1988) 0.14" 0"
Aug 18 18° 29° -18° (1897) 42° (1936) 0.14" 0"
Aug 19 18° 29° -18° (1950) 38° (1983) 0.14" 0"
Aug 20 18° 29° -18° (1950) 38° (1983) 0.13" 0"
Aug 21 18° 29° -18° (1950) 39° (1936) 0.13" 0"
Aug 22 18° 29° -18° (1923) 37° (1948) 0.14" 0"
Aug 23 18° 28° -18° (1891) 37° (1975) 0.12" 0"
Aug 24 18° 28° -18° (1891) 40° (1936) 0.14" 0"
Aug 25 18° 28° -18° (1934) 41° (1936) 0.13" 0"
Aug 26 17° 28° -18° (1910) 40° (1983) 0.13" 0"
Aug 27 17° 28° -18° (1986) 37° (1955) 0.13" 0"
Aug 28 17° 28° -18° (1986) 38° (1984) 0.12" 0"
Aug 29 17° 28° -18° (1946) 37° (1984) 0.12" 0"
Aug 30 17° 28° -18° (1893) 37° (1898) 0.12" 0"
Aug 31 17° 28° -18° (1967) 37° (1913) 0.12" 0"
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