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
May 1 56° 79° 33° (1903) 91° (1912) 0.14" NA
May 2 56° 79° 44° (1994) 96° (2002) 0.14" NA
May 3 57° 79° 41° (1954) 90° (1998) 0.14" NA
May 4 57° 80° 40° (1907) 92° (1906) 0.15" NA
May 5 57° 80° 44° (1978) 91° (1914) 0.15" NA
May 6 58° 80° 42° (1991) 95° (1984) 0.15" NA
May 7 58° 80° 43° (1992) 99° (1998) 0.15" NA
May 8 58° 80° 45° (1982) 94° (1955) 0.15" NA
May 9 59° 81° 46° (1980) 92° (1901) 0.15" NA
May 10 59° 81° 48° (1990) 97° (1901) 0.15" NA
May 11 59° 81° 43° (1981) 95° (1910) 0.15" NA
May 12 59° 82° 42° (1960) 98° (1967) 0.16" NA
May 13 60° 82° 44° (1997) 95° (1978) 0.16" NA
May 14 60° 82° 45° (1971) 93° (1956) 0.16" NA
May 15 60° 82° 43° (1907) 95° (1911) 0.16" NA
May 16 61° 82° 47° (1983) 93° (1993) 0.16" NA
May 17 61° 83° 49° (1983) 96° (1913) 0.16" NA
May 18 61° 83° 49° (1976) 97° (1966) 0.16" NA
May 19 62° 83° 47° (2002) 95° (1956) 0.16" NA
May 20 62° 83° 49° (1981) 97° (2006) 0.16" NA
May 21 62° 84° 50° (1981) 96° (1996) 0.16" NA
May 22 62° 84° 47° (2001) 99° (2005) 0.16" NA
May 23 63° 84° 50° (1917) 99° (2005) 0.15" NA
May 24 63° 85° 53° (1983) 98° (1996) 0.15" NA
May 25 63° 85° 52° (1979) 99° (1996) 0.15" NA
May 26 64° 85° 48° (1901) 97° (1913) 0.15" NA
May 27 64° 85° 47° (1901) 96° (1912) 0.15" NA
May 28 64° 86° 52° (1907) 100° (1996) 0.15" NA
May 29 64° 86° 51° (1984) 97° (1916) 0.15" NA
May 30 65° 86° 50° (1984) 101° (1911) 0.14" NA
May 31 65° 86° 49° (1992) 105° (1911) 0.14" NA
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