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Calgary experiences a humid continental climate, warm summers and cold winters, with temperatures often dropping below freezing. The mountains cause Calgary's climate to be rather dry, the little rainfall that does occur falls in summer (June to August).
Winters (December to February) are long and cold and occasionally relieved by warm winds called Chinooks. Average daily temperatures in Calgary are 62°F (17°C) in summer and 20°F (-7°C) in winter. The weather in Calgary is highly changeable and daily predictions are often off the mark.