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.
Key weather averages for Denver in March. 1  11. 11Â°C max day temperature. 2  8. 8 hours of sunshine per day. 3  9. 9 days with some rainfall. - 4 4. -4Â°C min night temperature. 5  12. 12 hours of daylight per day. 6  0. No heat & humidity. 7  34. 34 mm of monthly rainfall. 8  5. 5 (Moderate) UV index.