Onawa, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 31° -32° (1912) 69° (1944) 0.63" 7.2"
February 17° 37° -30° (1905) 71° (1987) 0.67" 6.9"
March 27° 50° -23° (1960) 91° (1986) 2.11" 7.6"
April 38° 64° 4° (1975) 97° (1910) 3.1" 1.4"
May 50° 74° 23° (1967) 106° (1934) 4.12" 0"
June 59° 84° 36° (1935) 106° (1946) 4.36" 0"
July 63° 87° 38° (1921) 110° (1936) 3.98" 0"
August 61° 85° 24° (1936) 108° (1936) 3.42" 0"
September 52° 78° 23° (1942) 104° (1939) 2.94" 0"
October 40° 66° -1° (1925) 97° (1938) 2.33" 0.6"
November 26° 47° -15° (1937) 82° (2006) 1.59" 2.8"
December 14° 33° -27° (1989) 70° (1998) 0.83" 7.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 55° 80° 39° (1956) 98° (1934) 0.14" NA
Jun 2 56° 80° 42° (1947) 100° (1934) 0.14" NA
Jun 3 56° 81° 37° (1945) 97° (1968) 0.14" NA
Jun 4 56° 81° 38° (1945) 98° (1958) 0.14" NA
Jun 5 56° 81° 40° (1935) 100° (1933) 0.15" NA
Jun 6 57° 81° 38° (1983) 103° (1933) 0.15" NA
Jun 7 57° 82° 36° (1935) 98° (1981) 0.15" NA
Jun 8 57° 82° 40° (1978) 103° (1985) 0.15" NA
Jun 9 58° 82° 36° (1915) 102° (1933) 0.15" NA
Jun 10 58° 83° 43° (1913) 104° (1933) 0.15" NA
Jun 11 58° 83° 43° (1903) 100° (1952) 0.15" NA
Jun 12 58° 83° 44° (1974) 99° (1956) 0.15" NA
Jun 13 59° 83° 40° (1969) 101° (1956) 0.15" NA
Jun 14 59° 84° 43° (1942) 97° (1956) 0.15" NA
Jun 15 59° 84° 40° (1917) 101° (1952) 0.15" NA
Jun 16 59° 84° 44° (1999) 106° (1946) 0.15" NA
Jun 17 60° 84° 44° (1999) 97° (1939) 0.15" NA
Jun 18 60° 84° 48° (1920) 105° (1953) 0.15" NA
Jun 19 60° 85° 43° (1916) 101° (1956) 0.15" NA
Jun 20 60° 85° 43° (1961) 101° (1974) 0.15" NA
Jun 21 60° 85° 42° (1902) 105° (1988) 0.14" NA
Jun 22 61° 85° 43° (1972) 100° (1930) 0.14" NA
Jun 23 61° 85° 46° (1942) 103° (1937) 0.14" NA
Jun 24 61° 85° 46° (1961) 102° (1956) 0.14" NA
Jun 25 61° 86° 42° (1958) 101° (1944) 0.14" NA
Jun 26 61° 86° 47° (1928) 106° (1936) 0.14" NA
Jun 27 61° 86° 46° (1968) 104° (1934) 0.14" NA
Jun 28 62° 86° 48° (2006) 102° (1934) 0.14" NA
Jun 29 62° 86° 43° (1923) 101° (1970) 0.14" NA
Jun 30 62° 86° 47° (1950) 102° (1961) 0.14" NA
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