Decatur, Tennessee
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° 47° -16° (1985) 74° (2002) 6.09" 3.8"
February 29° 52° -14° (1966) 79° (1977) 4.91" 2.3"
March 36° 61° 2° (1980) 85° (1982) 6.32" 0.3"
April 43° 70° 22° (2007) 90° (1986) 4.8" 0.4"
May 52° 77° 29° (1971) 95° (1962) 4.86" 0"
June 61° 85° 36° (1966) 101° (1988) 4.08" 0"
July 66° 88° 48° (1967) 105° (1980) 4.65" 0"
August 65° 87° 48° (1964) 103° (2007) 3.69" 0"
September 58° 82° 29° (1967) 99° (1975) 5.04" 0"
October 45° 71° 23° (1962) 90° (2007) 3.61" 0"
November 36° 60° 9° (1970) 83° (2003) 5.01" 0"
December 29° 50° -4° (1962) 76° (2007) 5.33" 0.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 65° 87° 54° (1980) 95° (1969) 0.15" NA
Jul 2 65° 87° 52° (1976) 96° (1978) 0.15" NA
Jul 3 65° 87° 58° (1985) 97° (1982) 0.15" NA
Jul 4 65° 87° 52° (1967) 97° (1970) 0.15" NA
Jul 5 65° 88° 55° (1968) 97° (1969) 0.15" NA
Jul 6 65° 88° 53° (1970) 97° (1969) 0.15" NA
Jul 7 65° 88° 49° (1972) 97° (1969) 0.15" NA
Jul 8 66° 88° 51° (1972) 98° (1977) 0.16" NA
Jul 9 66° 88° 54° (1984) 99° (1980) 0.16" NA
Jul 10 66° 88° 51° (1963) 100° (1980) 0.16" NA
Jul 11 66° 88° 52° (1963) 98° (1980) 0.16" NA
Jul 12 66° 88° 51° (1963) 100° (1980) 0.16" NA
Jul 13 66° 88° 57° (1963) 103° (1980) 0.16" NA
Jul 14 66° 88° 55° (1976) 103° (1980) 0.16" NA
Jul 15 66° 88° 48° (1967) 100° (1980) 0.16" NA
Jul 16 66° 88° 50° (1967) 102° (1980) 0.16" NA
Jul 17 66° 88° 55° (1970) 105° (1980) 0.16" NA
Jul 18 66° 88° 55° (1967) 105° (1980) 0.15" NA
Jul 19 66° 88° 53° (1967) 97° (1980) 0.15" NA
Jul 20 66° 88° 57° (1967) 98° (1986) 0.15" NA
Jul 21 66° 88° 58° (1966) 99° (1986) 0.15" NA
Jul 22 66° 88° 59° (1962) 99° (1986) 0.15" NA
Jul 23 66° 88° 59° (1966) 99° (1983) 0.15" NA
Jul 24 67° 88° 56° (2003) 99° (1983) 0.15" NA
Jul 25 67° 88° 57° (2003) 97° (1983) 0.14" NA
Jul 26 66° 88° 61° (2003) 97° (1987) 0.14" NA
Jul 27 66° 89° 58° (1962) 99° (1993) 0.14" NA
Jul 28 66° 88° 56° (1962) 100° (1993) 0.14" NA
Jul 29 66° 88° 59° (1969) 96° (1993) 0.13" NA
Jul 30 66° 88° 57° (1969) 98° (1993) 0.13" NA
Jul 31 66° 88° 54° (1965) 97° (1980) 0.13" NA
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