what is hottest temperature ever in dallas
Dallas Weather :: Dallas Texas Temperature Averages. You better donât mind the heat if you live in Dallas Texas! The temperature gets up to the 90s F in summer months, with some days in 100s. The heat is dry with low humidity. The hottest months of the year are July and August, and the hottest temperature ever recorded was 115F in August 1909. See graph of average temperatures in F below or view in Celsius.