Lewisville, Texas
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° 54° -1° (1918) 95° (1911) 1.77" NA
February 36° 60° 3° (1905) 95° (1996) 2.37" NA
March 43° 68° 13° (1980) 100° (1916) 2.72" NA
April 51° 75° 29° (1989) 101° (2006) 3.37" NA
May 61° 83° 33° (1903) 105° (1911) 4.71" NA
June 68° 90° 47° (1903) 109° (1980) 3.41" NA
July 73° 96° 56° (1972) 112° (1912) 2.2" NA
August 72° 95° 54° (1915) 115° (1909) 1.78" NA
September 65° 88° 38° (1995) 109° (1998) 2.86" NA
October 53° 79° 22° (1993) 102° (1904) 4.08" NA
November 43° 66° 17° (1976) 89° (2003) 2.7" NA
December 34° 57° -1° (1989) 89° (1955) 2.69" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 38° 60° 20° (1979) 79° (1970) 0.09" NA
Dec 2 37° 60° 19° (1985) 81° (1970) 0.09" NA
Dec 3 37° 60° 18° (1985) 82° (1916) 0.09" NA
Dec 4 37° 59° 21° (1902) 83° (1970) 0.09" NA
Dec 5 36° 59° 24° (2006) 84° (1977) 0.09" NA
Dec 6 36° 59° 19° (1972) 79° (1979) 0.09" NA
Dec 7 36° 59° 18° (1972) 83° (1966) 0.09" NA
Dec 8 36° 58° 12° (1917) 81° (1966) 0.09" NA
Dec 9 35° 58° 14° (1995) 80° (1906) 0.09" NA
Dec 10 35° 58° 10° (1995) 83° (2007) 0.09" NA
Dec 11 35° 58° 16° (1995) 78° (1996) 0.09" NA
Dec 12 35° 57° 16° (1917) 82° (1996) 0.09" NA
Dec 13 34° 57° 13° (1917) 84° (1973) 0.09" NA
Dec 14 34° 57° 14° (1901) 84° (1908) 0.09" NA
Dec 15 34° 57° 9° (1901) 81° (1995) 0.09" NA
Dec 16 34° 57° 10° (1989) 83° (1908) 0.09" NA
Dec 17 33° 56° 12° (1989) 82° (1908) 0.09" NA
Dec 18 33° 56° 12° (1989) 78° (2006) 0.09" NA
Dec 19 33° 56° 13° (1964) 81° (1980) 0.09" NA
Dec 20 33° 56° 9° (1909) 73° (1976) 0.09" NA
Dec 21 33° 56° 17° (1916) 75° (1966) 0.09" NA
Dec 22 32° 56° 4° (1983) 81° (1981) 0.09" NA
Dec 23 32° 55° -1° (1989) 78° (1964) 0.09" NA
Dec 24 32° 55° 1° (1989) 84° (1901) 0.08" NA
Dec 25 32° 55° 9° (1983) 89° (1955) 0.08" NA
Dec 26 32° 55° 5° (1983) 74° (1907) 0.08" NA
Dec 27 32° 55° 10° (1983) 78° (1907) 0.08" NA
Dec 28 32° 55° 20° (1904) 78° (1971) 0.08" NA
Dec 29 31° 54° 10° (1983) 81° (1907) 0.08" NA
Dec 30 31° 54° 7° (1983) 77° (1964) 0.07" NA
Dec 31 31° 54° 9° (1983) 77° (1992) 0.07" NA
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