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
Oct 1 43° 72° 26° (2003) 89° (1951) 0.1" 0"
Oct 2 42° 71° 23° (2004) 94° (1953) 0.1" 0"
Oct 3 42° 71° 27° (1950) 97° (1938) 0.09" 0"
Oct 4 42° 71° 23° (2010) 95° (1938) 0.09" 0"
Oct 5 41° 70° 26° (1988) 93° (1963) 0.09" 0"
Oct 6 41° 70° 22° (1935) 91° (1963) 0.09" 0"
Oct 7 40° 69° 24° (1974) 89° (1938) 0.09" 0"
Oct 8 40° 69° 15° (2000) 87° (1938) 0.08" 0"
Oct 9 40° 68° 20° (2000) 92° (1928) 0.08" 0"
Oct 10 39° 68° 24° (1944) 88° (1930) 0.08" 0"
Oct 11 39° 68° 21° (1987) 90° (1956) 0.09" 0"
Oct 12 38° 67° 22° (2009) 93° (1975) 0.08" 0"
Oct 13 38° 67° 20° (1909) 92° (1975) 0.08" 0"
Oct 14 38° 66° 18° (1937) 89° (1958) 0.07" 0"
Oct 15 37° 66° 17° (1943) 91° (1958) 0.08" 0"
Oct 16 37° 65° 15° (1943) 88° (1938) 0.08" 0"
Oct 17 37° 65° 17° (1922) 85° (1947) 0.07" 0"
Oct 18 36° 64° 23° (1930) 89° (2003) 0.07" 0"
Oct 19 36° 64° 12° (1972) 88° (2003) 0.08" 0"
Oct 20 36° 64° 17° (1960) 91° (1947) 0.07" 0"
Oct 21 35° 63° 16° (1913) 90° (1947) 0.07" 0"
Oct 22 35° 63° 19° (1936) 89° (1899) 0.07" 0.1"
Oct 23 35° 62° 18° (1981) 86° (1899) 0.06" 0"
Oct 24 34° 62° 17° (1999) 82° (1952) 0.06" 0"
Oct 25 34° 61° 18° (1976) 83° (1927) 0.05" 0"
Oct 26 33° 60° 15° (1942) 85° (1955) 0.06" 0"
Oct 27 33° 60° 16° (1997) 86° (1966) 0.06" 0"
Oct 28 33° 59° -1° (1925) 82° (1944) 0.06" 0.1"
Oct 29 32° 59° 9° (1925) 83° (1937) 0.06" 0"
Oct 30 32° 58° 4° (1925) 87° (1950) 0.05" 0"
Oct 31 31° 58° 11° (1923) 84° (1944) 0.05" 0.1"
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