Historic Average Temperatures in Dallas, Texas (by Month)

Month Avg. High Avg. Low Mean Avg. Precip Record High Record Low
Jan 55°F 36°F 46°F 1.89 in. 88°F (1969) 2°F (1949)
Feb 61°F 41°F 51°F 2.31 in. 95°F (1996) -8°F (1899)
Mar 69°F 49°F 59°F 3.13 in. 97°F (1974) 12°F (1948)
Apr 77°F 56°F 67°F 3.46 in. 100°F (2006) 31°F (1957)
May 84°F 65°F 75°F 5.30 in. 103°F (1985) 39°F (1954)
Jun 92°F 73°F 83°F 3.92 in. 113°F (1980) 53°F (1982)
Jul 96°F 77°F 87°F 2.43 in. 111°F (1954) 60°F (1990)
Aug 96°F 76°F 86°F 2.17 in. 109°F (2003) 59°F (1979)
Sep 89°F 69°F 79°F 2.65 in. 110°F (2000) 43°F (1983)
Oct 79°F 58°F 69°F 4.65 in. 100°F (1979) 27°F (1993)
Nov 66°F 47°F 57°F 2.61 in. 89°F (1989) 17°F (1950)
Dec 57°F 39°F 48°F 2.53 in. 89°F (1955) -1°F (1989)
Dallas, TX – Monthly Averages & Records – from Intellicast
  • On average, the warmest month is July.
  • The highest recorded temperature was 113°F in 1980.
  • On average, the coolest month is January.
  • The lowest recorded temperature was -8°F in 1899.
  • The most precipitation on average occurs in May.