Sumner, Michigan
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 29° -24° (1959) 62° (1950) 1.89" 11.2"
February 16° 32° -25° (1959) 67° (1999) 1.7" 8.7"
March 24° 42° -13° (1962) 79° (2000) 2.1" 5.9"
April 35° 56° 5° (1982) 88° (2002) 3.07" 1.8"
May 45° 68° 23° (1966) 94° (2006) 3.49" 0"
June 55° 78° 34° (1980) 100° (1995) 3.46" 0"
July 59° 82° 41° (2001) 103° (1988) 2.77" 0"
August 58° 80° 36° (1982) 101° (1988) 3.45" 0"
September 49° 72° 27° (1991) 97° (1953) 3.43" 0"
October 39° 59° 20° (1997) 90° (2007) 2.9" 0.2"
November 30° 45° -1° (1949) 82° (1950) 2.97" 2.6"
December 21° 33° -10° (1976) 68° (2001) 2.07" 9.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 59° 81° 47° (1978) 98° (1955) 0.1" 0"
Aug 2 59° 81° 48° (1962) 101° (1988) 0.11" 0"
Aug 3 59° 81° 41° (1965) 99° (1988) 0.1" 0"
Aug 4 59° 81° 44° (1951) 99° (1988) 0.11" 0"
Aug 5 59° 81° 45° (1957) 97° (1988) 0.1" 0"
Aug 6 59° 81° 46° (1994) 95° (2001) 0.12" 0"
Aug 7 59° 81° 44° (1989) 96° (2001) 0.11" 0"
Aug 8 59° 81° 43° (1989) 98° (2001) 0.1" 0"
Aug 9 59° 81° 41° (1964) 100° (2001) 0.12" 0"
Aug 10 59° 81° 44° (1972) 95° (2001) 0.11" 0"
Aug 11 59° 81° 43° (1967) 92° (1957) 0.11" 0"
Aug 12 58° 81° 42° (1950) 92° (1958) 0.12" 0"
Aug 13 58° 80° 45° (1954) 94° (1988) 0.12" 0"
Aug 14 58° 80° 43° (1997) 95° (1988) 0.11" 0"
Aug 15 58° 80° 43° (1964) 92° (1978) 0.12" 0"
Aug 16 58° 80° 42° (1979) 90° (1978) 0.12" 0"
Aug 17 58° 80° 42° (1954) 91° (1955) 0.11" 0"
Aug 18 58° 80° 42° (1958) 98° (1988) 0.12" 0"
Aug 19 58° 80° 42° (1998) 97° (1955) 0.11" 0"
Aug 20 57° 80° 41° (1977) 97° (1983) 0.11" 0"
Aug 21 57° 80° 42° (1950) 98° (1955) 0.1" 0"
Aug 22 57° 79° 44° (2004) 95° (2003) 0.11" 0"
Aug 23 57° 79° 43° (1951) 94° (1954) 0.11" 0"
Aug 24 57° 79° 43° (1951) 96° (1948) 0.11" 0"
Aug 25 56° 79° 44° (1987) 95° (1948) 0.11" 0"
Aug 26 56° 79° 42° (1964) 94° (1948) 0.11" 0"
Aug 27 56° 79° 42° (1968) 95° (1948) 0.1" 0"
Aug 28 56° 78° 37° (1986) 95° (1973) 0.12" 0"
Aug 29 55° 78° 36° (1982) 95° (1953) 0.12" 0"
Aug 30 55° 78° 39° (1982) 95° (1953) 0.11" 0"
Aug 31 55° 78° 42° (1970) 97° (1953) 0.12" 0"
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