Montreal vs Boston

Montreal and Boston are closely matched in December. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Montreal is on the cooler side at 1°C, requiring warmer clothing. Boston is cooler at 3°C.

For travelers who prioritize dry weather, both cities are equally dry in December.

Montreal reaches an average high of 1°C (34°F) and drops to -11°C (12°F) at night during December. The daily temperature range is 12°C, meaning significant temperature swings between day and night.

Boston averages 3°C (37°F) for the high and -9°C (16°F) for the low, with a daily range of 12°C. The 2°C difference is noticeable but not dramatic.

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

Montreal receives approximately 30 mm of rainfall across 3 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Boston sees 30 mm over 3 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 65%.