Montreal vs Boston

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Boston edges ahead as the better destination in October. Boston offers 8 hours of daily sunshine with only 10 rain days, while Montreal sees 7 sunshine hours and 12 rain days.

Montreal is on the cooler side at 13°C, requiring warmer clothing. Boston is also comfortable at 16°C.

For travelers who prioritize dry weather, Boston is the stronger choice in October. Boston receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Montreal reaches an average high of 13°C (55°F) and drops to 6°C (43°F) at night during October. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Boston averages 16°C (61°F) for the high and 9°C (48°F) for the low, with a daily range of 7°C. The 3°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in October.

Montreal receives approximately 112 mm of rainfall across 12 rain days during October. You can expect rain roughly every other day.

Boston sees 108 mm over 10 rain days. That makes Boston the drier option by 2 rain days and 4 mm of total precipitation.

Both cities share similar humidity levels at 65%.