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
Nov 1 30° 49° 18° (1962) 70° (2000) 0.08" NA
Nov 2 30° 49° 12° (1991) 71° (2000) 0.08" NA
Nov 3 29° 48° 8° (1966) 71° (1964) 0.08" NA
Nov 4 29° 47° -1° (1991) 75° (1978) 0.08" NA
Nov 5 28° 47° -1° (1991) 63° (1975) 0.08" NA
Nov 6 28° 46° 6° (1959) 65° (1980) 0.08" NA
Nov 7 27° 45° -6° (1991) 70° (2001) 0.08" NA
Nov 8 27° 45° -6° (1991) 72° (2001) 0.09" NA
Nov 9 26° 44° 0° (1991) 72° (1999) 0.09" NA
Nov 10 26° 44° 8° (1979) 71° (1999) 0.09" NA
Nov 11 25° 43° -2° (1986) 64° (1964) 0.09" NA
Nov 12 25° 42° -2° (1986) 60° (1967) 0.09" NA
Nov 13 25° 42° -4° (1986) 62° (1973) 0.08" NA
Nov 14 24° 41° -3° (1986) 71° (1999) 0.08" NA
Nov 15 24° 41° 2° (1959) 68° (1990) 0.08" NA
Nov 16 23° 40° 1° (1959) 67° (2001) 0.08" NA
Nov 17 23° 40° -4° (1959) 62° (1971) 0.08" NA
Nov 18 22° 39° 3° (1989) 63° (2001) 0.08" NA
Nov 19 22° 38° 3° (1989) 65° (1999) 0.08" NA
Nov 20 21° 38° 6° (1969) 59° (1975) 0.08" NA
Nov 21 21° 37° -14° (1964) 63° (1990) 0.08" NA
Nov 22 20° 37° -4° (1964) 68° (1990) 0.08" NA
Nov 23 20° 36° 1° (1970) 57° (1966) 0.08" NA
Nov 24 19° 36° -4° (1985) 56° (2006) 0.08" NA
Nov 25 19° 35° -1° (1977) 55° (1960) 0.07" NA
Nov 26 18° 35° -16° (1977) 59° (1960) 0.07" NA
Nov 27 18° 34° -6° (1996) 59° (1984) 0.07" NA
Nov 28 17° 34° -7° (1976) 64° (1998) 0.07" NA
Nov 29 17° 33° -10° (1976) 59° (1998) 0.07" NA
Nov 30 16° 33° -12° (1964) 63° (1998) 0.06" NA
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