Onawa, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 32° -32° (1912) 69° (1944) 0.58" 6"
February 13° 37° -30° (1905) 71° (1987) 0.71" 6.1"
March 23° 50° -23° (1960) 91° (1986) 1.94" 5.2"
April 35° 64° 4° (1975) 97° (1910) 3.26" 1.7"
May 48° 74° 23° (1967) 106° (1934) 4.29" 0.1"
June 58° 83° 36° (1935) 106° (1946) 4.62" 0"
July 63° 87° 38° (1921) 110° (1936) 3.96" 0"
August 60° 84° 24° (1936) 108° (1936) 3.46" 0"
September 50° 78° 23° (1942) 104° (1939) 3.12" 0"
October 37° 65° -1° (1925) 97° (1938) 2.31" 0.3"
November 24° 48° -15° (1937) 82° (2006) 1.45" 3.3"
December 12° 33° -27° (1989) 70° (1998) 0.86" 7.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 29° 57° 5° (1924) 88° (1956) 0.09" 0.1"
Apr 2 29° 58° 9° (2005) 87° (2003) 0.08" 0.1"
Apr 3 30° 58° 4° (1975) 83° (2003) 0.09" 0.1"
Apr 4 30° 59° 14° (1899) 90° (1929) 0.08" 0.1"
Apr 5 31° 59° 10° (1920) 89° (1991) 0.09" 0.1"
Apr 6 31° 60° 10° (1982) 90° (1991) 0.09" 0.1"
Apr 7 31° 60° 14° (1936) 87° (2006) 0.09" 0.1"
Apr 8 32° 61° 14° (1997) 89° (1931) 0.1" 0"
Apr 9 32° 61° 17° (1997) 88° (1977) 0.09" 0.1"
Apr 10 33° 61° 17° (1989) 88° (1930) 0.1" 0.1"
Apr 11 33° 62° 17° (1940) 91° (1996) 0.1" 0.1"
Apr 12 33° 62° 12° (1957) 86° (1916) 0.11" 0"
Apr 13 34° 63° 12° (1950) 87° (1908) 0.1" 0.1"
Apr 14 34° 63° 13° (1950) 91° (2006) 0.11" 0.1"
Apr 15 35° 64° 19° (1962) 95° (2002) 0.1" 0"
Apr 16 35° 64° 19° (1904) 93° (2002) 0.11" 0.1"
Apr 17 36° 64° 18° (1907) 89° (1994) 0.11" 0"
Apr 18 36° 65° 22° (1905) 94° (1994) 0.11" 0.1"
Apr 19 37° 65° 20° (1928) 91° (1908) 0.12" 0"
Apr 20 37° 65° 20° (1924) 89° (1902) 0.12" 0"
Apr 21 38° 66° 22° (1907) 91° (1980) 0.12" 0.1"
Apr 22 38° 66° 22° (1992) 96° (1980) 0.13" 0"
Apr 23 38° 67° 22° (1956) 87° (1939) 0.13" 0.1"
Apr 24 39° 67° 21° (1967) 94° (1906) 0.12" 0"
Apr 25 39° 67° 25° (1934) 93° (1981) 0.13" 0"
Apr 26 40° 68° 23° (1950) 93° (1989) 0.13" 0.1"
Apr 27 40° 68° 22° (1950) 93° (1989) 0.12" 0"
Apr 28 41° 68° 23° (1979) 97° (1910) 0.13" 0"
Apr 29 41° 69° 22° (2005) 93° (1910) 0.13" 0"
Apr 30 42° 69° 22° (1907) 92° (1965) 0.13" 0"
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