Quebec City lies at the confluence of several climatic regions. Usually, the climate is classified as humid continental or hemi boreal (Koppel climate classification Dfb).
Quebec City experiences four distinct seasons. Summers are warm and occasionally hot, with periods of hotter temperatures which compounded with the high humidity, create a high heat index that belie the average high of 22 - 25 °C (72 - 77 °F) and lows of 11 - 13 °C (51 - 56 °F). Winters are often bitterly cold, windy and snowy with average high temperatures -5 to -8 °C (18 - 23 °F) and lows -13 to -18 °C (0 - 8 °F). Spring and Fall, although short, brings chilly to warm temperatures. Late heat waves as well as "Indian summers" are a common occurrence.
Annual precipitation is around 1,230 millimetres (48 in), including 316 cm (124 in) of snowfall. The city experiences around 1,905 hours of sunshine annually, with summer being the sunniest, but also slightly the wettest season
