what is the weather in halifax nova scotia?
Weather in October in Halifax, Nova Scotia. 34.4Â°. The average temperature in Halifax, Nova Scotia in October is quite mild at 10.5 Â°C (50.9 Â°F). Afternoons can be mild with average high temperatures reaching 14 Â°C (57.2 Â°F). Overnight temperatures are generally a little cool with an average low of 7 Â°C (44.6 Â°F).