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
Dec 1 -5° -18° (1893) 19° (1970) 0.06" 0.3"
Dec 2 -5° -18° (1886) 19° (1973) 0.06" 0.3"
Dec 3 -6° -18° (1919) 17° (1998) 0.05" 0.3"
Dec 4 -6° -18° (1886) 19° (1998) 0.05" 0.2"
Dec 5 -6° -18° (1886) 19° (1975) 0.06" 0.3"
Dec 6 -6° -18° (1882) 21° (1939) 0.05" 0.3"
Dec 7 -7° -18° (1882) 18° (1894) 0.05" 0.3"
Dec 8 -7° -18° (1917) 21° (1946) 0.06" 0.3"
Dec 9 -7° -18° (1919) 17° (1946) 0.05" 0.3"
Dec 10 -7° -18° (1919) 19° (1890) 0.05" 0.3"
Dec 11 -7° -18° (1917) 18° (1965) 0.05" 0.3"
Dec 12 -7° -18° (2000) 18° (1968) 0.05" 0.3"
Dec 13 -8° -18° (1961) 18° (1921) 0.05" 0.2"
Dec 14 -8° -18° (1901) 16° (1975) 0.05" 0.3"
Dec 15 -8° -18° (1901) 15° (2002) 0.04" 0.3"
Dec 16 -8° -18° (1932) 17° (1939) 0.04" 0.3"
Dec 17 -8° -18° (1964) 18° (1939) 0.05" 0.3"
Dec 18 -8° -18° (1985) 18° (1976) 0.04" 0.3"
Dec 19 -8° -18° (1884) 14° (1894) 0.04" 0.2"
Dec 20 -9° -18° (1901) 16° (1941) 0.05" 0.3"
Dec 21 -9° -18° (1989) 17° (1941) 0.04" 0.3"
Dec 22 -9° -18° (1989) 18° (1933) 0.05" 0.3"
Dec 23 -9° -18° (1989) 16° (1889) 0.04" 0.2"
Dec 24 -9° -18° (1983) 21° (1889) 0.04" 0.3"
Dec 25 -9° -18° (1879) 14° (1936) 0.04" 0.3"
Dec 26 -9° -18° (1892) 15° (2008) 0.04" 0.3"
Dec 27 -9° -18° (1886) 18° (1946) 0.04" 0.2"
Dec 28 -9° -18° (1924) 21° (1984) 0.04" 0.3"
Dec 29 -9° -18° (1917) 14° (2006) 0.04" 0.3"
Dec 30 -9° -1° -18° (1968) 17° (2004) 0.03" 0.3"
Dec 31 -9° -1° -18° (1968) 16° (1965) 0.04" 0.2"
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