Dorchester, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° -37° (1963) 57° (1996) 0.98" NA
February 10° 29° -35° (1996) 58° (2000) 0.82" NA
March 22° 41° -32° (1962) 82° (1986) 1.95" NA
April 34° 56° 2° (1982) 93° (1980) 3.67" NA
May 46° 68° 19° (1966) 90° (2007) 3.83" NA
June 56° 78° 35° (1964) 97° (1988) 4.57" NA
July 60° 82° 42° (1965) 101° (1995) 4.71" NA
August 58° 79° 35° (1964) 102° (1988) 4.85" NA
September 48° 71° 24° (1974) 92° (1960) 3.52" NA
October 37° 58° 13° (1988) 91° (1997) 2.44" NA
November 23° 41° -16° (1977) 75° (1978) 2.38" NA
December 10° 27° -28° (1983) 62° (1998) 1.27" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 59° 81° 46° (1995) 93° (1996) 0.16" NA
Jul 2 59° 81° 48° (1959) 94° (1974) 0.16" NA
Jul 3 59° 81° 46° (1963) 93° (1974) 0.15" NA
Jul 4 59° 81° 43° (1967) 96° (1990) 0.15" NA
Jul 5 59° 81° 48° (1963) 94° (1977) 0.15" NA
Jul 6 59° 81° 42° (1965) 96° (1982) 0.15" NA
Jul 7 60° 81° 45° (1984) 98° (1988) 0.15" NA
Jul 8 60° 81° 46° (1961) 98° (1988) 0.15" NA
Jul 9 60° 81° 49° (1961) 95° (1988) 0.15" NA
Jul 10 60° 81° 46° (1965) 98° (1980) 0.15" NA
Jul 11 60° 82° 47° (1965) 98° (1980) 0.15" NA
Jul 12 60° 82° 44° (1975) 96° (1973) 0.15" NA
Jul 13 60° 82° 43° (1975) 95° (1974) 0.15" NA
Jul 14 60° 82° 44° (1964) 101° (1995) 0.15" NA
Jul 15 60° 82° 43° (1965) 96° (1995) 0.15" NA
Jul 16 60° 82° 50° (1961) 100° (1988) 0.15" NA
Jul 17 60° 82° 50° (1976) 95° (1964) 0.15" NA
Jul 18 60° 82° 49° (2000) 95° (1964) 0.15" NA
Jul 19 60° 82° 51° (2000) 95° (1986) 0.15" NA
Jul 20 60° 82° 45° (1970) 93° (1983) 0.15" NA
Jul 21 60° 82° 44° (1970) 95° (1964) 0.15" NA
Jul 22 60° 82° 49° (1970) 97° (1983) 0.15" NA
Jul 23 60° 82° 46° (1962) 95° (1964) 0.15" NA
Jul 24 60° 82° 50° (1992) 95° (1964) 0.15" NA
Jul 25 60° 82° 49° (1962) 91° (1986) 0.15" NA
Jul 26 60° 82° 44° (1962) 94° (1999) 0.15" NA
Jul 27 60° 81° 47° (1962) 90° (1976) 0.15" NA
Jul 28 60° 81° 47° (1965) 97° (1988) 0.16" NA
Jul 29 60° 81° 46° (1971) 95° (1988) 0.16" NA
Jul 30 60° 81° 43° (1971) 94° (1987) 0.16" NA
Jul 31 60° 81° 45° (1971) 95° (1999) 0.16" NA
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