October in Montreal typically marks a transition into autumn, with decreasing temperatures and shorter daylight hours. Average highs often fall into the low teens Celsius (mid-50s Fahrenheit), while overnight lows dip to near freezing or slightly below. Precipitation is common throughout the month, potentially including rain, or the first snowfalls of the season. Understanding these general climatic trends provides a foundation for planning activities and choosing appropriate attire.
Knowledge of anticipated meteorological conditions is valuable for anyone planning to visit or reside in Montreal during this period. This information informs decisions regarding travel arrangements, outdoor activities, and suitable clothing. Historical weather data for October can offer insights into typical patterns, but should be considered alongside current forecasts for the most accurate representation. Being prepared for the changing conditions maximizes comfort and safety.