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Get the monthly weather forecast for Montreal, Quebec, Canada, including daily high/low, historical averages, to help you plan ahead.
12°. 86.36. July. 26°. 14°. 91.44. Weather.com brings you the most accurate monthly weather forecast for Montreal, Quebec with average/record and high/low temperatures, precipitation and more.
The average temperature is of 19.2 °C (67 °F), with a minimum of 13.5 °C (56.3 °F) and a maximum of 24.9 °C (76.8 °F). On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 7 °C (44 °F). However, it dropped to 2.8 °C (37 °F) in June 2020.
The warm season lasts for 3.9 months, from May 21 to September 18, with an average daily high temperature above 68°F. The hottest month of the year in Montréal is July, with an average high of 79°F and low of 63°F. The cold season lasts for 3.3 months, from December 3 to March 11, with an average daily high temperature below 34°F.
Winter in Montreal is bitterly cold, with December attaining an average high of -2.2°C (28°F), further dipping to -5.8°C (21.6°F) in January and moderating slightly to -4.1°C (24.6°F) in February. Daylight hours are shortest during winter, picking up slightly from the 8.8 hours in December to 9.2 hours in January.
Averages are for Montreal - Pierre Elliot Trudeau International Aiport, which is 9 miles from Montréal. Based on weather reports collected during 1992–2021. Showing: All Year January February March April May June July August September October November December
The month with the most relative humidity is December (76.65 %). The month with the least relative humidity is April (62.69 %). The wettest month is July (12.67 days), while the driest is September (9.93). Montreal weather and climate for every month
