WEATHER The weather of Denver has a low annual rainfall climate with four distinct seasons. The weather of the Denver city and surrounding area is heavily influenced by the Rocky Mountains to the west. The climate of Denver is generally mild for the mountains to the west and the plains can be very unpredictable. A huge amounts of snow have fallen in the Denver area as late as early June and as early as September. The season's first snowfall generally occurs in October and the last snowfall is about April .Denver winters are varying mild to cold and large amounts of snow fall on the mountains only west of the city. Denver winters are milder than areas without this effect. Denver winter is good for skiing conditions but can be quite cold with icy winds at times. Denver Spring brings a significant change. Denver summer is warm dand dry conditions. Denver summer is suffering a high temperature. Denver autumn is tropical monsoon. Denver autumn is very suitable for tourist to visit them.