Des Moines, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -11° -2° -34.4° (1884) 19.4° (2003) 1.03" 8.8"
February -8° -32.2° (1996) 25.6° (1930) 1.19" 8.2"
March -2° -30° (1962) 32.8° (1986) 2.21" 4.1"
April 16° -12.8° (1975) 33.9° (1980) 3.58" 2.7"
May 11° 22° -3.3° (1907) 40.6° (1934) 4.25" 0"
June 16° 28° 2.8° (1889) 39.4° (1988) 4.57" 0"
July 19° 30° 8.3° (1971) 43.3° (1936) 4.18" 0"
August 18° 29° 4.4° (1950) 43.3° (1918) 4.51" 0"
September 12° 24° -3.3° (1942) 38.3° (1939) 3.15" 0"
October 17° -13.9° (1925) 35° (1963) 2.62" 0.4"
November -2° -23.3° (1891) 27.8° (1938) 2.1" 4.5"
December -8° -30° (1989) 20.6° (1984) 1.33" 7.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 -5.6° 3.9° -22° (1893) 19° (1970) 0.06" NA
Dec 2 -5.6° 3.3° -22° (1886) 19° (1973) 0.05" NA
Dec 3 -6.1° 3.3° -22° (1919) 17° (1998) 0.05" NA
Dec 4 -6.1° 2.8° -21° (1886) 19° (1998) 0.05" NA
Dec 5 -6.7° 2.8° -21° (1886) 19° (1975) 0.05" NA
Dec 6 -6.7° 2.2° -22° (1882) 21° (1939) 0.05" NA
Dec 7 -6.7° 2.2° -27° (1882) 18° (1894) 0.05" NA
Dec 8 -7.2° 1.7° -26° (1917) 21° (1946) 0.05" NA
Dec 9 -7.2° 1.7° -25° (1919) 17° (1946) 0.05" NA
Dec 10 -7.8° 1.7° -28° (1919) 19° (1890) 0.05" NA
Dec 11 -7.8° 1.1° -22° (1917) 18° (1965) 0.05" NA
Dec 12 -7.8° 1.1° -24° (2000) 18° (1968) 0.04" NA
Dec 13 -8.3° 1.1° -26° (1961) 18° (1921) 0.04" NA
Dec 14 -8.3° 0.6° -27° (1901) 16° (1975) 0.04" NA
Dec 15 -8.3° 0.6° -28° (1901) 15° (2002) 0.04" NA
Dec 16 -8.9° 0.6° -26° (1932) 17° (1939) 0.04" NA
Dec 17 -8.9° -23° (1964) 18° (1939) 0.04" NA
Dec 18 -8.9° -27° (1985) 18° (1976) 0.04" NA
Dec 19 -9.4° -28° (1884) 14° (1894) 0.04" NA
Dec 20 -9.4° -0.6° -25° (1901) 16° (1941) 0.04" NA
Dec 21 -9.4° -0.6° -28° (1989) 17° (1941) 0.04" NA
Dec 22 -9.4° -0.6° -29° (1989) 18° (1933) 0.04" NA
Dec 23 -10° -0.6° -30° (1989) 16° (1889) 0.04" NA
Dec 24 -10° -0.6° -28° (1983) 21° (1889) 0.04" NA
Dec 25 -10° -1.1° -27° (1879) 14° (1936) 0.04" NA
Dec 26 -10° -1.1° -27° (1892) 14° (1936) 0.04" NA
Dec 27 -10.6° -1.1° -29° (1886) 18° (1946) 0.04" NA
Dec 28 -10.6° -1.1° -29° (1924) 21° (1984) 0.04" NA
Dec 29 -10.6° -1.1° -27° (1917) 14° (2006) 0.03" NA
Dec 30 -10.6° -1.7° -26° (1968) 17° (2004) 0.03" NA
Dec 31 -10.6° -1.7° -26° (1968) 16° (1965) 0.03" NA
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