Lewisville, Texas
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 34° 55° -1° (1918) 95° (1911) 2.24" 0"
February 38° 59° 3° (1905) 95° (1996) 2.91" 0"
March 45° 66° 13° (1980) 100° (1916) 3.62" 0"
April 53° 75° 29° (1989) 101° (2006) 3.16" 0"
May 63° 82° 33° (1903) 105° (1911) 4.9" 0"
June 70° 90° 47° (1903) 109° (1980) 3.92" 0"
July 74° 94° 56° (1972) 112° (1912) 2.38" 0"
August 74° 95° 54° (1915) 115° (1909) 1.84" 0"
September 66° 88° 38° (1995) 109° (1998) 3.37" 0"
October 55° 78° 22° (1993) 102° (1904) 4.02" 0"
November 45° 66° 17° (1976) 89° (2003) 2.94" 0"
December 35° 56° -1° (1989) 89° (1955) 2.69" 0.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 75° 96° 60° (1971) 107° (1910) 0.05" 0"
Aug 2 75° 96° 60° (1971) 107° (1998) 0.05" 0"
Aug 3 75° 96° 60° (1971) 108° (1998) 0.06" 0"
Aug 4 75° 96° 63° (1994) 108° (1998) 0.05" 0"
Aug 5 75° 96° 64° (1973) 106° (2008) 0.05" 0"
Aug 6 75° 96° 63° (1990) 107° (1964) 0.06" 0"
Aug 7 75° 96° 60° (1997) 110° (1956) 0.06" 0"
Aug 8 75° 96° 58° (1989) 108° (1953) 0.05" 0"
Aug 9 75° 96° 56° (1989) 107° (1911) 0.06" 0"
Aug 10 75° 96° 59° (1989) 106° (1999) 0.05" 0"
Aug 11 74° 96° 60° (2004) 108° (1999) 0.06" 0"
Aug 12 74° 96° 59° (1967) 109° (1964) 0.05" 0"
Aug 13 74° 96° 56° (1967) 106° (1999) 0.05" 0"
Aug 14 74° 96° 59° (1967) 106° (1999) 0.04" 0"
Aug 15 74° 96° 62° (1955) 107° (1911) 0.05" 0"
Aug 16 74° 96° 57° (1992) 106° (1956) 0.04" 0"
Aug 17 74° 96° 57° (1992) 107° (1956) 0.05" 0"
Aug 18 74° 95° 56° (1992) 115° (1909) 0.05" 0"
Aug 19 74° 95° 55° (1992) 106° (1909) 0.06" 0"
Aug 20 74° 95° 60° (1992) 108° (1911) 0.06" 0"
Aug 21 74° 95° 63° (1953) 107° (1911) 0.06" 0"
Aug 22 73° 95° 57° (1994) 105° (1911) 0.06" 0"
Aug 23 73° 95° 61° (1956) 105° (1980) 0.06" 0"
Aug 24 73° 94° 61° (1961) 107° (2010) 0.06" 0"
Aug 25 73° 94° 61° (1997) 105° (2006) 0.07" 0"
Aug 26 73° 94° 60° (1966) 105° (1901) 0.07" 0"
Aug 27 72° 94° 63° (1970) 108° (1901) 0.07" 0"
Aug 28 72° 93° 54° (1906) 107° (1901) 0.08" 0"
Aug 29 72° 93° 55° (1992) 104° (1998) 0.08" 0"
Aug 30 72° 93° 59° (1915) 104° (1984) 0.09" 0"
Aug 31 72° 93° 54° (1915) 106° (1954) 0.09" 0"
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