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
Aug 1 73° 97° 60° (1971) 107° (1910) 0.06" NA
Aug 2 73° 97° 60° (1971) 107° (1998) 0.06" NA
Aug 3 73° 97° 60° (1971) 108° (1998) 0.06" NA
Aug 4 73° 97° 63° (1994) 108° (1998) 0.06" NA
Aug 5 73° 97° 64° (1973) 104° (1956) 0.05" NA
Aug 6 73° 96° 63° (1990) 107° (1964) 0.05" NA
Aug 7 73° 96° 60° (1997) 110° (1956) 0.05" NA
Aug 8 73° 96° 58° (1989) 108° (1953) 0.05" NA
Aug 9 72° 96° 56° (1989) 107° (1911) 0.05" NA
Aug 10 72° 96° 59° (1989) 106° (1999) 0.05" NA
Aug 11 72° 96° 60° (2004) 108° (1999) 0.05" NA
Aug 12 72° 96° 59° (1967) 109° (1964) 0.05" NA
Aug 13 72° 96° 56° (1967) 106° (1999) 0.05" NA
Aug 14 72° 96° 59° (1967) 106° (1999) 0.05" NA
Aug 15 72° 96° 62° (1955) 107° (1911) 0.05" NA
Aug 16 72° 96° 57° (1992) 106° (1956) 0.05" NA
Aug 17 72° 96° 57° (1992) 107° (1956) 0.06" NA
Aug 18 71° 95° 56° (1992) 115° (1909) 0.06" NA
Aug 19 71° 95° 55° (1992) 106° (1909) 0.06" NA
Aug 20 71° 95° 60° (1992) 108° (1911) 0.06" NA
Aug 21 71° 95° 63° (1953) 107° (1911) 0.06" NA
Aug 22 71° 95° 57° (1994) 105° (1911) 0.06" NA
Aug 23 71° 94° 61° (1956) 105° (1980) 0.06" NA
Aug 24 71° 94° 61° (1961) 104° (1980) 0.06" NA
Aug 25 70° 94° 61° (1997) 105° (2006) 0.06" NA
Aug 26 70° 94° 60° (1966) 105° (1901) 0.06" NA
Aug 27 70° 94° 63° (1970) 108° (1901) 0.06" NA
Aug 28 70° 93° 54° (1906) 107° (1901) 0.07" NA
Aug 29 70° 93° 55° (1992) 104° (1998) 0.07" NA
Aug 30 69° 93° 59° (1915) 104° (1984) 0.07" NA
Aug 31 69° 93° 54° (1915) 106° (1954) 0.07" NA
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