Decatur, Michigan
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 31° -21° (1972) 63° (1967) 2.65" NA
February 17° 35° -23° (1978) 72° (2000) 2.03" NA
March 26° 45° -13° (1967) 80° (1986) 2.67" NA
April 36° 58° 6° (1972) 89° (2002) 3.48" NA
May 47° 70° 19° (1966) 92° (1978) 3.72" NA
June 56° 79° 30° (2003) 103° (1953) 3.67" NA
July 60° 83° 38° (2003) 103° (1999) 3.63" NA
August 57° 81° 36° (1967) 100° (1988) 3.9" NA
September 50° 74° 26° (2002) 99° (1953) 4.19" NA
October 39° 62° 13° (2002) 88° (1971) 3.51" NA
November 30° 48° 4° (1959) 77° (1987) 3.45" NA
December 20° 36° -20° (1989) 72° (2001) 3.16" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 58° 82° 43° (2003) 99° (1963) 0.12" NA
Jul 2 59° 82° 40° (2001) 96° (1963) 0.12" NA
Jul 3 59° 82° 43° (1988) 98° (1966) 0.12" NA
Jul 4 59° 83° 40° (1963) 96° (1966) 0.12" NA
Jul 5 59° 83° 43° (1996) 98° (1990) 0.12" NA
Jul 6 59° 83° 38° (1972) 99° (1988) 0.12" NA
Jul 7 59° 83° 43° (1959) 101° (1988) 0.12" NA
Jul 8 59° 83° 40° (1984) 97° (1988) 0.12" NA
Jul 9 59° 83° 40° (1963) 97° (1988) 0.12" NA
Jul 10 59° 83° 40° (1963) 97° (1988) 0.12" NA
Jul 11 59° 83° 41° (1996) 92° (1972) 0.12" NA
Jul 12 59° 83° 40° (2002) 96° (1966) 0.12" NA
Jul 13 60° 83° 42° (2002) 94° (1987) 0.12" NA
Jul 14 60° 83° 46° (1975) 99° (1995) 0.12" NA
Jul 15 60° 83° 41° (2002) 99° (1995) 0.11" NA
Jul 16 60° 83° 43° (2003) 98° (1988) 0.11" NA
Jul 17 60° 84° 44° (2003) 94° (1988) 0.11" NA
Jul 18 60° 84° 42° (1971) 96° (1966) 0.11" NA
Jul 19 60° 84° 44° (1979) 98° (1977) 0.11" NA
Jul 20 60° 84° 47° (1971) 98° (1977) 0.11" NA
Jul 21 60° 84° 43° (1970) 97° (1977) 0.11" NA
Jul 22 60° 84° 45° (1966) 96° (1983) 0.11" NA
Jul 23 60° 83° 45° (1985) 96° (1991) 0.11" NA
Jul 24 60° 83° 41° (2002) 94° (1999) 0.12" NA
Jul 25 60° 83° 38° (2003) 96° (2005) 0.12" NA
Jul 26 60° 83° 44° (1975) 96° (1953) 0.12" NA
Jul 27 60° 83° 44° (1977) 97° (1955) 0.12" NA
Jul 28 60° 83° 45° (2003) 96° (1955) 0.12" NA
Jul 29 60° 83° 42° (2003) 96° (1983) 0.12" NA
Jul 30 59° 83° 45° (1965) 97° (1999) 0.12" NA
Jul 31 59° 83° 44° (2003) 103° (1999) 0.12" NA
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