Plymouth, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° -34° (1899) 62° (2002) 0.9" NA
February 10° 29° -35° (1899) 67° (1981) 0.77" NA
March 22° 41° -32° (1962) 84° (1986) 2.02" NA
April 34° 56° 5° (1982) 95° (1980) 3.35" NA
May 46° 70° 23° (1967) 104° (1934) 4.37" NA
June 56° 80° 31° (1928) 104° (1934) 5.14" NA
July 61° 83° 38° (1899) 107° (1936) 4.45" NA
August 58° 80° 30° (1915) 103° (1930) 4.67" NA
September 48° 72° 15° (1899) 103° (1922) 3.34" NA
October 37° 60° -4° (1925) 94° (1963) 2.47" NA
November 23° 42° -14° (1897) 79° (2006) 2.07" NA
December 10° 27° -26° (1983) 65° (1998) 1.03" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 23° -23° (1974) 54° (1897) 0.03" NA
Jan 2 23° -21° (1979) 47° (1964) 0.03" NA
Jan 3 23° -31° (1919) 47° (1998) 0.03" NA
Jan 4 22° -26° (1942) 45° (1930) 0.03" NA
Jan 5 22° -31° (1924) 47° (1930) 0.03" NA
Jan 6 22° -27° (1988) 50° (1933) 0.03" NA
Jan 7 22° -30° (1912) 42° (1949) 0.03" NA
Jan 8 22° -21° (1986) 56° (2003) 0.03" NA
Jan 9 22° -27° (1977) 56° (2003) 0.03" NA
Jan 10 22° -30° (1937) 49° (1928) 0.03" NA
Jan 11 22° -25° (1977) 47° (1990) 0.03" NA
Jan 12 22° -33° (1912) 48° (1987) 0.03" NA
Jan 13 22° -26° (1916) 50° (1987) 0.03" NA
Jan 14 22° -22° (1979) 52° (1996) 0.03" NA
Jan 15 22° -30° (1963) 54° (1914) 0.03" NA
Jan 16 22° -26° (1977) 55° (1990) 0.03" NA
Jan 17 22° -24° (1930) 46° (1919) 0.03" NA
Jan 18 22° -28° (1967) 50° (1919) 0.03" NA
Jan 19 22° -27° (1970) 49° (1981) 0.03" NA
Jan 20 22° -33° (1994) 50° (1944) 0.03" NA
Jan 21 22° -31° (1994) 48° (1921) 0.03" NA
Jan 22 22° -31° (1930) 48° (1900) 0.03" NA
Jan 23 23° -29° (1935) 53° (1981) 0.03" NA
Jan 24 23° -29° (1922) 58° (1981) 0.03" NA
Jan 25 23° -25° (1904) 62° (1944) 0.03" NA
Jan 26 23° -26° (1930) 54° (2002) 0.03" NA
Jan 27 23° -24° (1904) 62° (2002) 0.03" NA
Jan 28 23° -28° (1915) 55° (2002) 0.03" NA
Jan 29 24° -28° (1966) 50° (1919) 0.02" NA
Jan 30 24° -28° (1951) 50° (1964) 0.02" NA
Jan 31 24° -34° (1899) 45° (1964) 0.02" NA
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