Colorado’s 115ยบF in July Has Been Confirmed as State’s Highest Temperature EVER Recorded It has been officially confirmed that Colorado broke its previous all-time record high temperature on July 20, 2019, when the mercury reached 115ยบF near Lamar, 209 miles southeast of Denver.ย The previous record high was 114 degrees, tied on July 1, 1933, in Las Animas and July 11, 1954, in Sedgwick. Related: September in Denver, CO Was the Hottest EVER […] WeatherBrains | October 18, 2019 0 Comments