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
Jul 1 71° 94° 64° (1995) 105° (1917) 0.09" NA
Jul 2 71° 94° 66° (1908) 106° (1980) 0.09" NA
Jul 3 71° 94° 65° (1987) 107° (1980) 0.09" NA
Jul 4 72° 94° 63° (1908) 106° (1980) 0.08" NA
Jul 5 72° 94° 57° (1995) 106° (1996) 0.08" NA
Jul 6 72° 94° 56° (1972) 105° (1996) 0.08" NA
Jul 7 72° 95° 58° (1972) 107° (1914) 0.08" NA
Jul 8 72° 95° 60° (1983) 107° (1996) 0.08" NA
Jul 9 72° 95° 63° (1905) 107° (1956) 0.08" NA
Jul 10 72° 95° 57° (1905) 109° (1913) 0.08" NA
Jul 11 72° 95° 60° (1905) 106° (1909) 0.08" NA
Jul 12 72° 95° 60° (2003) 106° (1954) 0.07" NA
Jul 13 73° 95° 63° (1990) 110° (1998) 0.07" NA
Jul 14 73° 96° 63° (1987) 107° (1901) 0.07" NA
Jul 15 73° 96° 62° (1967) 105° (1980) 0.07" NA
Jul 16 73° 96° 62° (1990) 107° (1978) 0.07" NA
Jul 17 73° 96° 59° (1987) 108° (1910) 0.07" NA
Jul 18 73° 96° 67° (1990) 108° (1954) 0.07" NA
Jul 19 73° 96° 62° (1959) 108° (2006) 0.07" NA
Jul 20 73° 96° 64° (1910) 105° (1914) 0.07" NA
Jul 21 73° 96° 64° (1970) 105° (2000) 0.06" NA
Jul 22 73° 96° 60° (1970) 105° (2006) 0.06" NA
Jul 23 73° 96° 58° (1970) 105° (1974) 0.06" NA
Jul 24 73° 96° 62° (1970) 106° (1974) 0.06" NA
Jul 25 73° 96° 65° (1904) 108° (1954) 0.06" NA
Jul 26 73° 96° 62° (1911) 110° (1954) 0.06" NA
Jul 27 73° 96° 63° (1994) 105° (1964) 0.06" NA
Jul 28 73° 97° 58° (1994) 112° (1912) 0.06" NA
Jul 29 73° 97° 58° (1994) 106° (1995) 0.06" NA
Jul 30 73° 97° 63° (1984) 105° (1910) 0.06" NA
Jul 31 73° 97° 59° (1971) 106° (1957) 0.06" NA
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