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
Aug 1 60° 81° 49° (1968) 102° (1988) 0.16" NA
Aug 2 60° 81° 44° (1965) 102° (1988) 0.16" NA
Aug 3 60° 81° 44° (1978) 100° (1988) 0.16" NA
Aug 4 60° 81° 43° (1978) 99° (1988) 0.16" NA
Aug 5 60° 81° 44° (1994) 96° (1989) 0.16" NA
Aug 6 60° 81° 46° (1994) 95° (1979) 0.16" NA
Aug 7 60° 81° 43° (1975) 95° (1979) 0.16" NA
Aug 8 60° 80° 44° (1964) 95° (1988) 0.16" NA
Aug 9 59° 80° 44° (1972) 91° (2001) 0.16" NA
Aug 10 59° 80° 44° (1982) 92° (1985) 0.16" NA
Aug 11 59° 80° 45° (1967) 89° (1988) 0.16" NA
Aug 12 59° 80° 39° (1966) 93° (1988) 0.16" NA
Aug 13 59° 80° 40° (1964) 93° (1995) 0.16" NA
Aug 14 59° 80° 35° (1964) 92° (1995) 0.16" NA
Aug 15 58° 79° 41° (1964) 90° (1983) 0.16" NA
Aug 16 58° 79° 43° (1976) 94° (1988) 0.16" NA
Aug 17 58° 79° 43° (1962) 100° (1988) 0.16" NA
Aug 18 58° 79° 37° (1963) 101° (1988) 0.16" NA
Aug 19 58° 79° 38° (1963) 92° (1972) 0.16" NA
Aug 20 57° 78° 43° (2004) 96° (1983) 0.16" NA
Aug 21 57° 78° 39° (2004) 93° (2003) 0.16" NA
Aug 22 57° 78° 39° (2004) 94° (1968) 0.16" NA
Aug 23 56° 78° 45° (1966) 93° (1968) 0.15" NA
Aug 24 56° 77° 43° (1965) 92° (1968) 0.15" NA
Aug 25 56° 77° 41° (1964) 94° (2003) 0.15" NA
Aug 26 56° 77° 37° (1964) 92° (1973) 0.15" NA
Aug 27 55° 77° 43° (1968) 92° (1973) 0.15" NA
Aug 28 55° 76° 36° (1965) 91° (1973) 0.15" NA
Aug 29 55° 76° 42° (1976) 94° (1984) 0.15" NA
Aug 30 54° 76° 41° (1974) 90° (1973) 0.14" NA
Aug 31 54° 76° 40° (1967) 89° (1995) 0.14" NA
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