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
Apr 1 28° 49° 11° (1975) 80° (1986) 0.1" NA
Apr 2 28° 49° 8° (1962) 75° (1963) 0.1" NA
Apr 3 29° 50° 9° (1975) 67° (1999) 0.1" NA
Apr 4 29° 50° 8° (1995) 68° (2005) 0.11" NA
Apr 5 30° 51° 7° (1995) 75° (1988) 0.11" NA
Apr 6 30° 51° 2° (1982) 81° (1991) 0.11" NA
Apr 7 30° 52° 10° (1982) 86° (1991) 0.11" NA
Apr 8 31° 52° 7° (1972) 78° (1991) 0.12" NA
Apr 9 31° 53° 11° (1997) 74° (1988) 0.12" NA
Apr 10 32° 53° 15° (1997) 82° (1977) 0.12" NA
Apr 11 32° 54° 15° (1973) 83° (1977) 0.12" NA
Apr 12 32° 54° 19° (1992) 80° (1977) 0.12" NA
Apr 13 33° 55° 15° (1962) 73° (1977) 0.12" NA
Apr 14 33° 55° 18° (1962) 78° (1976) 0.13" NA
Apr 15 34° 56° 19° (1962) 86° (2003) 0.13" NA
Apr 16 34° 56° 19° (1962) 87° (2002) 0.13" NA
Apr 17 35° 57° 18° (1983) 85° (2002) 0.13" NA
Apr 18 35° 57° 21° (1983) 83° (1985) 0.13" NA
Apr 19 35° 57° 20° (1988) 88° (1985) 0.13" NA
Apr 20 36° 58° 20° (1962) 85° (1985) 0.13" NA
Apr 21 36° 58° 23° (1978) 93° (1980) 0.13" NA
Apr 22 37° 59° 20° (1986) 90° (1980) 0.13" NA
Apr 23 37° 59° 25° (1967) 83° (1960) 0.13" NA
Apr 24 37° 60° 23° (1966) 81° (1962) 0.13" NA
Apr 25 38° 60° 25° (1972) 83° (1962) 0.13" NA
Apr 26 38° 60° 26° (1976) 84° (1990) 0.13" NA
Apr 27 39° 61° 25° (2004) 85° (1977) 0.13" NA
Apr 28 39° 61° 21° (1965) 85° (1977) 0.13" NA
Apr 29 39° 62° 26° (1961) 85° (1970) 0.13" NA
Apr 30 40° 62° 25° (1966) 87° (2007) 0.13" NA
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