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
Oct 1 42° 66° 27° (1974) 91° (1976) 0.09" NA
Oct 2 42° 65° 19° (1974) 89° (1976) 0.09" NA
Oct 3 42° 65° 21° (2003) 82° (1983) 0.09" NA
Oct 4 41° 64° 27° (1989) 91° (1997) 0.09" NA
Oct 5 41° 64° 26° (1988) 80° (1969) 0.08" NA
Oct 6 41° 64° 25° (1976) 85° (1963) 0.08" NA
Oct 7 40° 63° 25° (2001) 86° (2007) 0.08" NA
Oct 8 40° 63° 22° (1976) 83° (1980) 0.08" NA
Oct 9 39° 62° 16° (1964) 82° (1980) 0.08" NA
Oct 10 39° 62° 15° (1964) 78° (1962) 0.08" NA
Oct 11 39° 61° 19° (1964) 76° (1960) 0.08" NA
Oct 12 38° 61° 21° (1987) 80° (1960) 0.08" NA
Oct 13 38° 60° 23° (1965) 84° (1975) 0.08" NA
Oct 14 38° 60° 26° (1969) 83° (1975) 0.08" NA
Oct 15 37° 59° 23° (2006) 81° (1968) 0.08" NA
Oct 16 37° 59° 23° (2002) 80° (1968) 0.08" NA
Oct 17 36° 58° 21° (1976) 77° (1965) 0.07" NA
Oct 18 36° 58° 13° (1964) 76° (1965) 0.07" NA
Oct 19 36° 57° 15° (1972) 76° (2003) 0.07" NA
Oct 20 35° 57° 19° (1972) 80° (2000) 0.07" NA
Oct 21 35° 56° 17° (1960) 81° (2003) 0.07" NA
Oct 22 34° 56° 18° (1976) 75° (1986) 0.07" NA
Oct 23 34° 55° 18° (1969) 77° (1992) 0.07" NA
Oct 24 33° 54° 16° (1981) 77° (1963) 0.07" NA
Oct 25 33° 54° 22° (1962) 76° (1989) 0.08" NA
Oct 26 33° 53° 13° (1962) 78° (1989) 0.08" NA
Oct 27 32° 53° 15° (1976) 75° (1989) 0.08" NA
Oct 28 32° 52° 17° (1969) 69° (1983) 0.08" NA
Oct 29 31° 51° 18° (1988) 68° (1986) 0.08" NA
Oct 30 31° 51° 13° (1988) 76° (2004) 0.08" NA
Oct 31 30° 50° 15° (1988) 72° (1971) 0.08" NA
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