Chimney ConsiderationsWood burning outdoor fireplaces create a lot of smoke. Code requires that chimney height be 2 feet taller than adjacent structures like patio covers and homes, so plan accordingly. Getting a fireplace to draw properly outdoors has its challenges.
Weather in Denver in August. The average maximum daytime temperature in Denver in August is a hot 30Â°C (86Â°F) with moderate heat & humidity. There are usually 10 hours of bright sunshine each day, which represents 72% of the 14 hours of daylight. Expect 40mm (1.6 inches) of rainfall across the whole of August with 9 days with some rain falling.
Denver Temperatures: Averages by Month. The numbers here tell you how hot and cold the weather usually is in Denver, Colorado during each month of the year. The average high and low temperatures are listed below monthly and annually for Denver, in both degrees Fahrenheit and Celsius.Maximums and minimums are only part of the temperature picture.To fill in the rest, there's information on how many days a month get above or below a given temperature.o find out how often it rises over 70, 80 or 90 Â°F each month in Denver, scroll down farther. There are also monthly and yearly counts of days with cold weather. All the numbers are averages, based on climate data gathered from 1981 to 2010.