New Haven, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° -32° (1967) 61° (2002) 1.04" 8.5"
February 11° 29° -32° (1996) 63° (1981) 1.1" 6.3"
March 23° 41° -27° (1962) 84° (1986) 1.84" 6.2"
April 36° 57° 6° (1982) 92° (1980) 3.84" 1.8"
May 48° 69° 22° (1967) 95° (1967) 4.52" 0"
June 58° 78° 39° (1993) 101° (1988) 5.18" 0"
July 62° 82° 43° (2004) 102° (1988) 4.58" 0"
August 60° 80° 37° (2004) 102° (1955) 4.2" 0"
September 50° 72° 22° (1949) 99° (1955) 3.58" 0"
October 38° 60° 12° (1952) 93° (1997) 2.45" 0.2"
November 25° 42° -15° (1977) 78° (2006) 2.01" 3"
December 11° 27° -30° (1950) 68° (2001) 1.63" 10.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 42° 64° 26° (1961) 91° (1992) 0.14" 0"
May 2 43° 64° 24° (1967) 92° (1992) 0.14" 0"
May 3 43° 65° 22° (1967) 90° (1949) 0.15" 0"
May 4 44° 65° 29° (1954) 88° (1952) 0.13" 0"
May 5 44° 65° 29° (2005) 87° (1949) 0.14" 0"
May 6 44° 66° 25° (1989) 85° (2000) 0.14" 0"
May 7 45° 66° 29° (1954) 86° (1970) 0.14" 0"
May 8 45° 66° 31° (1955) 88° (1970) 0.14" 0"
May 9 45° 67° 26° (1966) 88° (1987) 0.15" 0"
May 10 46° 67° 25° (1981) 89° (1987) 0.14" 0"
May 11 46° 67° 25° (1966) 85° (2007) 0.15" 0"
May 12 46° 68° 31° (1981) 86° (1956) 0.14" 0"
May 13 47° 68° 28° (1953) 87° (1949) 0.14" 0"
May 14 47° 68° 33° (1966) 90° (1971) 0.13" 0"
May 15 47° 69° 32° (1997) 90° (2001) 0.14" 0"
May 16 48° 69° 29° (1956) 91° (2001) 0.15" 0"
May 17 48° 69° 37° (1973) 90° (1987) 0.15" 0"
May 18 48° 69° 38° (1968) 95° (1967) 0.14" 0"
May 19 49° 70° 36° (1967) 92° (1975) 0.15" 0"
May 20 49° 70° 32° (1967) 92° (1948) 0.14" 0"
May 21 49° 70° 37° (1963) 90° (1970) 0.15" 0"
May 22 50° 71° 30° (1963) 89° (1964) 0.14" 0"
May 23 50° 71° 31° (1963) 89° (1975) 0.15" 0"
May 24 50° 71° 35° (1949) 86° (1977) 0.14" 0"
May 25 51° 72° 38° (1992) 90° (1978) 0.16" 0"
May 26 51° 72° 34° (1961) 92° (1967) 0.15" 0"
May 27 51° 72° 36° (1971) 89° (1980) 0.16" 0"
May 28 52° 73° 34° (1965) 90° (1969) 0.15" 0"
May 29 52° 73° 32° (1965) 90° (2006) 0.15" 0"
May 30 52° 73° 34° (1965) 91° (2006) 0.17" 0"
May 31 53° 74° 39° (1972) 90° (2002) 0.16" 0"
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