Decatur, Tennessee
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° 48° -16° (1985) 74° (2002) 5.33" 1.9"
February 29° 53° -14° (1966) 79° (1977) 5.13" 1.2"
March 36° 61° 2° (1980) 85° (1982) 4.79" 0.8"
April 44° 71° 22° (2007) 90° (1986) 4.65" 0.4"
May 53° 78° 29° (1971) 95° (1962) 4.73" 0"
June 62° 85° 36° (1966) 101° (1988) 4.22" 0"
July 66° 88° 48° (1967) 105° (1980) 4.98" 0"
August 65° 88° 48° (1964) 103° (2007) 3.79" 0"
September 58° 82° 29° (1967) 99° (1975) 4.6" 0"
October 45° 72° 23° (1962) 90° (2007) 3.47" 0"
November 36° 61° 9° (1970) 83° (2003) 4.83" 0.1"
December 29° 50° -4° (1962) 76° (2007) 5.28" 0.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 32° 57° 13° (2002) 77° (1972) 0.16" 0"
Mar 2 33° 57° 14° (1980) 77° (1976) 0.17" 0.1"
Mar 3 33° 57° 2° (1980) 79° (1976) 0.16" 0"
Mar 4 33° 58° 7° (1980) 76° (1983) 0.15" 0"
Mar 5 33° 58° 13° (1978) 82° (1976) 0.16" 0"
Mar 6 34° 58° 18° (1978) 75° (1967) 0.15" 0.1"
Mar 7 34° 59° 19° (1966) 77° (1974) 0.15" 0"
Mar 8 34° 59° 16° (1996) 79° (1974) 0.16" 0"
Mar 9 34° 59° 9° (1996) 81° (1974) 0.15" 0.1"
Mar 10 35° 60° 15° (1996) 81° (1974) 0.15" 0"
Mar 11 35° 60° 17° (1969) 80° (1974) 0.14" 0"
Mar 12 35° 60° 13° (1969) 80° (2006) 0.15" 0.1"
Mar 13 35° 60° 15° (1998) 81° (1967) 0.15" 0"
Mar 14 36° 61° 14° (1993) 81° (1967) 0.15" 0"
Mar 15 36° 61° 3° (1993) 82° (1967) 0.15" 0"
Mar 16 36° 61° 11° (1993) 82° (1977) 0.15" 0"
Mar 17 36° 62° 21° (1981) 76° (1983) 0.15" 0.1"
Mar 18 36° 62° 18° (1967) 80° (1963) 0.15" 0"
Mar 19 37° 62° 17° (1967) 82° (1982) 0.15" 0"
Mar 20 37° 63° 23° (1967) 85° (1982) 0.15" 0"
Mar 21 37° 63° 10° (1965) 85° (1982) 0.14" 0.1"
Mar 22 37° 63° 16° (1965) 79° (1975) 0.16" 0"
Mar 23 38° 64° 21° (1986) 80° (1966) 0.15" 0"
Mar 24 38° 64° 18° (1968) 83° (1995) 0.16" 0.1"
Mar 25 38° 64° 21° (1966) 82° (2007) 0.15" 0"
Mar 26 38° 65° 24° (1972) 80° (2007) 0.16" 0"
Mar 27 39° 65° 22° (2001) 82° (2007) 0.17" 0"
Mar 28 39° 65° 23° (2001) 83° (2007) 0.16" 0.1"
Mar 29 39° 66° 19° (1966) 82° (1989) 0.17" 0"
Mar 30 39° 66° 21° (1964) 82° (2007) 0.16" 0"
Mar 31 39° 66° 23° (1964) 83° (1979) 0.16" 0"
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