Treynor, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 31° -31° (1974) 66° (2003) 0.9" 5.8"
February 16° 36° -29° (1996) 75° (1972) 1.12" 7.3"
March 26° 49° -24° (1960) 89° (1986) 2.24" 4.9"
April 38° 62° 0° (1975) 93° (1996) 3.79" 1.1"
May 50° 72° 21° (1961) 100° (1967) 4.83" 0"
June 60° 81° 33° (1969) 101° (1956) 5.37" 0"
July 64° 85° 36° (1971) 105° (1974) 4.58" 0"
August 62° 83° 35° (1950) 102° (2003) 3.92" 0"
September 52° 76° 23° (1983) 101° (1953) 3.34" 0.1"
October 40° 64° 12° (1997) 93° (1963) 2.51" 0.8"
November 28° 48° -17° (1964) 83° (1999) 1.63" 1.6"
December 16° 33° -30° (1983) 67° (1998) 1.18" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 64° 84° 45° (1951) 100° (1963) 0.16" 0"
Jul 2 64° 84° 47° (1959) 98° (1974) 0.16" 0"
Jul 3 64° 85° 43° (1967) 99° (1990) 0.16" 0"
Jul 4 64° 85° 44° (1967) 98° (1990) 0.16" 0"
Jul 5 64° 85° 39° (1972) 99° (1990) 0.17" 0"
Jul 6 64° 85° 47° (1950) 100° (1954) 0.17" 0"
Jul 7 64° 85° 47° (1984) 97° (1955) 0.16" 0"
Jul 8 64° 85° 52° (1953) 96° (1974) 0.16" 0"
Jul 9 64° 85° 47° (1953) 98° (2002) 0.16" 0"
Jul 10 64° 85° 46° (1996) 98° (1980) 0.16" 0"
Jul 11 64° 85° 50° (1959) 102° (1954) 0.15" 0"
Jul 12 64° 85° 50° (1950) 101° (1954) 0.15" 0"
Jul 13 64° 85° 43° (1975) 104° (1954) 0.16" 0"
Jul 14 64° 85° 42° (1967) 102° (1995) 0.15" 0"
Jul 15 65° 85° 46° (1967) 97° (1995) 0.15" 0"
Jul 16 65° 85° 46° (1976) 99° (1957) 0.14" 0"
Jul 17 65° 85° 46° (1976) 101° (1954) 0.15" 0"
Jul 18 64° 85° 49° (1984) 99° (1954) 0.14" 0"
Jul 19 64° 85° 51° (1979) 101° (1974) 0.14" 0"
Jul 20 64° 85° 50° (1970) 103° (1974) 0.14" 0"
Jul 21 64° 85° 45° (1970) 105° (1974) 0.12" 0"
Jul 22 64° 85° 51° (1970) 99° (2002) 0.14" 0"
Jul 23 64° 85° 50° (1978) 95° (1965) 0.12" 0"
Jul 24 64° 85° 50° (1978) 96° (2005) 0.14" 0"
Jul 25 64° 85° 48° (1975) 96° (1955) 0.14" 0"
Jul 26 64° 85° 45° (1962) 102° (1956) 0.14" 0"
Jul 27 64° 85° 50° (1971) 100° (1955) 0.14" 0"
Jul 28 64° 85° 51° (1965) 100° (1955) 0.13" 0"
Jul 29 64° 85° 48° (1952) 100° (1955) 0.14" 0"
Jul 30 64° 84° 36° (1971) 103° (1955) 0.14" 0"
Jul 31 64° 84° 41° (1971) 105° (1955) 0.14" 0"
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