Weather Comparison
Side-by-side weather comparison for March
| Metric | Boston | Montreal | Better |
|---|---|---|---|
| Average HighHigher is warmer | 7°C (45°F)▲ | 3°C (37°F) | Boston |
| Average LowHigher is milder | -2°C (28°F)▲ | -7°C (19°F) | Boston |
| Rain DaysFewer is drier | 11 days | 11 days | Tie |
| PrecipitationLess is drier | 116 mm | 73 mm▲ | Montreal |
| Sunshine HoursMore is sunnier | 8h/day | 8h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 23 km/h | 20 km/h▲ | Montreal |
Boston and Montreal are closely matched in March. 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.
Boston is on the cooler side at 7°C, requiring warmer clothing. Montreal is cooler at 3°C.
For travelers who prioritize dry weather, both cities are equally dry in March.
Boston reaches an average high of 7°C (45°F) and drops to -2°C (28°F) at night during March. The daily temperature range is 9°C, meaning moderate variation throughout the day.
Montreal averages 3°C (37°F) for the high and -7°C (19°F) for the low, with a daily range of 10°C. The 4°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in March.
Boston receives approximately 116 mm of rainfall across 11 rain days during March. You can expect rain roughly every other day.
Montreal sees 73 mm over 11 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 65%.
Highs of 7°C, lows of -2°C, 11 rain days
Highs of 3°C, lows of -7°C, 11 rain days
Pack for both: heavy winter coat, thermal base layers, warm gloves and hat, insulated boots, waterproof jacket, compact umbrella, waterproof shoes, a warm scarf. These items are useful in either destination during March.
The table below shows average high temperatures and rain days for every month. March is highlighted for quick reference.
| Month | Boston | Montreal | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 2°C | 10d | -5°C | 11d |
| Feb | 3°C | 9d | -3°C | 10d |
| Mar | 7°C | 11d | 3°C | 11d |
| Apr | 14°C | 11d | 11°C | 12d |
| May | 19°C | 11d | 19°C | 12d |
| Jun | 25°C | 10d | 23°C | 12d |
| Jul | 28°C | 10d | 26°C | 13d |
| Aug | 27°C | 9d | 25°C | 12d |
| Sep | 23°C | 8d | 21°C | 10d |
| Oct | 16°C | 10d | 13°C | 12d |
| Nov | 10°C | 10d | 6°C | 12d |
| Dec | 5°C | 11d | -1°C | 12d |
Boston Weather in March
Full forecast, packing tips, and activities
Montreal Weather in March
Full forecast, packing tips, and activities