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
Jul 1 18.3° 29.4° 10° (1995) 40° (1925) 0.14" NA
Jul 2 18.3° 29.4° 10° (1959) 39° (1911) 0.14" NA
Jul 3 18.3° 29.4° 9° (1967) 39° (1936) 0.14" NA
Jul 4 18.3° 29.4° 9° (1967) 43° (1936) 0.14" NA
Jul 5 18.3° 30° 9° (1972) 41° (1936) 0.14" NA
Jul 6 18.3° 30° 11° (1972) 40° (1886) 0.14" NA
Jul 7 18.3° 30° 11° (1908) 38° (1936) 0.14" NA
Jul 8 18.9° 30° 11° (1908) 38° (1936) 0.14" NA
Jul 9 18.9° 30° 9° (1895) 39° (1930) 0.13" NA
Jul 10 18.9° 30° 9° (1945) 39° (1936) 0.13" NA
Jul 11 18.9° 30° 12° (1945) 39° (1954) 0.13" NA
Jul 12 18.9° 30° 12° (1941) 41° (1939) 0.13" NA
Jul 13 18.9° 30° 11° (1975) 42° (1936) 0.13" NA
Jul 14 18.9° 30° 9° (1967) 42° (1936) 0.13" NA
Jul 15 18.9° 30° 10° (1930) 42° (1936) 0.13" NA
Jul 16 18.9° 30° 12° (1906) 39° (1936) 0.13" NA
Jul 17 18.9° 30° 9° (1911) 40° (1936) 0.13" NA
Jul 18 18.9° 30° 13° (1882) 40° (1934) 0.13" NA
Jul 19 19.4° 30° 11° (1947) 43° (1934) 0.13" NA
Jul 20 19.4° 30.6° 12° (1880) 42° (1934) 0.13" NA
Jul 21 19.4° 30.6° 11° (1947) 42° (1934) 0.13" NA
Jul 22 19.4° 30.6° 11° (1947) 43° (1901) 0.13" NA
Jul 23 19.4° 30.6° 11° (1887) 39° (1941) 0.13" NA
Jul 24 19.4° 30° 11° (1906) 42° (1901) 0.13" NA
Jul 25 19.4° 30° 12° (1905) 43° (1936) 0.14" NA
Jul 26 19.4° 30° 11° (1911) 42° (1936) 0.14" NA
Jul 27 19.4° 30° 12° (1971) 41° (1930) 0.14" NA
Jul 28 19.4° 30° 12° (1925) 42° (1931) 0.14" NA
Jul 29 18.9° 30° 11° (1971) 39° (1887) 0.14" NA
Jul 30 18.9° 30° 8° (1971) 39° (1955) 0.14" NA
Jul 31 18.9° 30° 9° (1971) 41° (1955) 0.14" NA
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