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
Jul 1 19° 30° -18° (1995) 40° (1925) 0.15" 0"
Jul 2 19° 30° -18° (1959) 39° (1911) 0.15" 0"
Jul 3 19° 30° -18° (1967) 39° (1936) 0.16" 0"
Jul 4 19° 30° -18° (1967) 43° (1936) 0.16" 0"
Jul 5 19° 30° -18° (1972) 41° (1936) 0.16" 0"
Jul 6 19° 30° -18° (1972) 40° (1886) 0.16" 0"
Jul 7 19° 30° -18° (1908) 38° (1936) 0.16" 0"
Jul 8 19° 30° -18° (1908) 38° (1936) 0.15" 0"
Jul 9 19° 30° -18° (1895) 39° (1930) 0.16" 0"
Jul 10 19° 30° -18° (1945) 39° (1936) 0.14" 0"
Jul 11 19° 30° -18° (1945) 39° (1954) 0.15" 0"
Jul 12 19° 30° -18° (1941) 41° (1939) 0.15" 0"
Jul 13 19° 30° -18° (1975) 42° (1936) 0.15" 0"
Jul 14 20° 30° -18° (1967) 42° (1936) 0.15" 0"
Jul 15 20° 30° -18° (1930) 42° (1936) 0.15" 0"
Jul 16 20° 30° -18° (1906) 39° (1936) 0.14" 0"
Jul 17 20° 30° -18° (1911) 40° (1936) 0.14" 0"
Jul 18 20° 30° -18° (1882) 40° (1934) 0.14" 0"
Jul 19 20° 30° -18° (1947) 43° (1934) 0.14" 0"
Jul 20 20° 30° -18° (1880) 42° (1934) 0.14" 0"
Jul 21 19° 30° -18° (1947) 42° (1934) 0.13" 0"
Jul 22 19° 30° -18° (1947) 43° (1901) 0.14" 0"
Jul 23 19° 30° -18° (1887) 39° (1941) 0.14" 0"
Jul 24 19° 30° -18° (1906) 42° (1901) 0.13" 0"
Jul 25 19° 30° -18° (1905) 43° (1936) 0.13" 0"
Jul 26 19° 30° -18° (1911) 42° (1936) 0.13" 0"
Jul 27 19° 30° -18° (1971) 41° (1930) 0.14" 0"
Jul 28 19° 30° -18° (1925) 42° (1931) 0.13" 0"
Jul 29 19° 30° -18° (1971) 39° (1887) 0.13" 0"
Jul 30 19° 30° -18° (1971) 39° (1955) 0.13" 0"
Jul 31 19° 30° -18° (1971) 41° (1955) 0.14" 0"
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