Montreal vs Boston

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Boston edges ahead as the better destination in May. Boston offers 10 hours of daily sunshine with only 11 rain days, while Montreal sees 10 sunshine hours and 12 rain days.

Montreal sits in the comfortable travel range at 19°C. Boston is also comfortable at 19°C.

For travelers who prioritize dry weather, Boston is the stronger choice in May.

Montreal reaches an average high of 19°C (66°F) and drops to 8°C (46°F) at night during May. The daily temperature range is 11°C, meaning moderate variation throughout the day.

Boston averages 19°C (66°F) for the high and 10°C (50°F) for the low, with a daily range of 9°C. The two cities feel quite similar in terms of temperature.

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

Montreal receives approximately 98 mm of rainfall across 12 rain days during May. You can expect rain roughly every other day.

Boston sees 80 mm over 11 rain days. That makes Boston the drier option by 1 rain day and 18 mm of total precipitation.

Both cities share similar humidity levels at 65%.