Boston vs Montreal

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.

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

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

Boston reaches an average high of 19°C (66°F) and drops to 10°C (50°F) at night during May. The daily temperature range is 9°C, meaning moderate variation throughout the day.

Montreal averages 19°C (66°F) for the high and 8°C (46°F) for the low, with a daily range of 11°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.

Boston receives approximately 80 mm of rainfall across 11 rain days during May. You can expect rain roughly every other day.

Montreal sees 98 mm over 12 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%.