October in Halifax, Nova Scotia, typically marks a transition into autumn. Expect gradually decreasing temperatures, shorter daylight hours, and an increasing likelihood of precipitation. Average daily highs range from 10C to 13C (50F to 55F), while overnight lows fall between 3C and 6C (37F to 43F). Rainfall becomes more frequent compared to the summer months. While the first frost of the season can occur in October, snowfall is less common, usually appearing later in the autumn or early winter.
Understanding the typical climate conditions during this period is crucial for anyone planning to visit or reside in Halifax. Packing appropriate clothing for cooler temperatures and wet weather is essential. The changing weather also influences local activities and events. Historically, October has signified the end of the main tourist season and the beginning of preparations for the colder months ahead. This seasonal shift historically impacted local industries like fishing and agriculture.