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
May 1 7.8° 19.4° -3° (1909) 33° (1887) 0.13" NA
May 2 7.8° 19.4° -1° (1967) 32° (1952) 0.13" NA
May 3 8.3° 20° -2° (1907) 31° (1949) 0.13" NA
May 4 8.3° 20° -3° (1907) 33° (1918) 0.13" NA
May 5 8.3° 20.6° -1° (1944) 33° (1909) 0.13" NA
May 6 8.9° 20.6° -2° (1947) 35° (1934) 0.13" NA
May 7 8.9° 20.6° -2° (1931) 33° (1966) 0.13" NA
May 8 8.9° 21.1° 0° (1954) 34° (1934) 0.13" NA
May 9 9.4° 21.1° 0° (1923) 34° (1895) 0.13" NA
May 10 9.4° 21.1° 0° (1966) 32° (1911) 0.13" NA
May 11 10° 21.7° -1° (1946) 34° (2000) 0.13" NA
May 12 10° 21.7° 0° (1946) 34° (1956) 0.13" NA
May 13 10° 21.7° 0° (1997) 33° (1956) 0.13" NA
May 14 10.6° 22.2° 1° (1888) 34° (1988) 0.14" NA
May 15 10.6° 22.2° 2° (1997) 33° (1941) 0.14" NA
May 16 10.6° 22.2° 1° (1890) 32° (1939) 0.14" NA
May 17 11.1° 22.8° 2° (1915) 32° (1880) 0.14" NA
May 18 11.1° 22.8° 2° (1916) 33° (1934) 0.14" NA
May 19 11.7° 22.8° 2° (1888) 34° (1975) 0.14" NA
May 20 11.7° 23.3° 2° (1892) 34° (1925) 0.14" NA
May 21 11.7° 23.3° 2° (1931) 34° (1886) 0.14" NA
May 22 12.2° 23.3° 1° (1963) 37° (1925) 0.14" NA
May 23 12.2° 23.9° 0° (1963) 33° (1939) 0.14" NA
May 24 12.2° 23.9° 2° (1924) 36° (1939) 0.14" NA
May 25 12.8° 23.9° 1° (1925) 37° (1967) 0.14" NA
May 26 12.8° 24.4° 4° (1961) 34° (1985) 0.14" NA
May 27 12.8° 24.4° 2° (1907) 32° (1977) 0.14" NA
May 28 13.3° 24.4° 0° (1947) 33° (1895) 0.15" NA
May 29 13.3° 25° 0° (1947) 40° (1934) 0.15" NA
May 30 13.3° 25° 4° (1897) 41° (1934) 0.15" NA
May 31 13.9° 25° 1° (1889) 39° (1934) 0.15" NA
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