Skip to content

Weather Comparison

Boston vs Montreal

Side-by-side weather comparison for October

Boston: 16°CMontreal: 13°C403 km apart

October Weather: Boston vs Montreal

MetricBostonMontrealBetter
Average HighHigher is warmer16°C (61°F)13°C (55°F)Boston
Average LowHigher is milder9°C (48°F)6°C (43°F)Boston
Rain DaysFewer is drier10 days12 daysBoston
PrecipitationLess is drier108 mm112 mmBoston
Sunshine HoursMore is sunnier8h/day7h/dayBoston
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better21 km/h19 km/hMontreal

Which City is Better in October?

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.

Boston sits in the comfortable travel range at 16°C. Montreal is cooler at 13°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.

Temperature Comparison in October

Boston reaches an average high of 16°C (61°F) and drops to 9°C (48°F) at night during October. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Montreal averages 13°C (55°F) for the high and 6°C (43°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.

Rainfall Comparison in October

Boston receives approximately 108 mm of rainfall across 10 rain days during October. You can expect rain roughly every other day.

Montreal sees 112 mm over 12 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%.

What to Pack: Boston vs Montreal

Packing for Boston in October

Highs of 16°C, lows of 9°C, 10 rain days

  • warm layers
  • a mid-weight jacket
  • long trousers
  • waterproof jacket
  • compact umbrella
  • waterproof shoes

Packing for Montreal in October

Highs of 13°C, lows of 6°C, 12 rain days

  • warm layers
  • a mid-weight jacket
  • long trousers
  • waterproof jacket
  • compact umbrella
  • waterproof shoes

Pack for both: warm layers, a mid-weight jacket, long trousers, waterproof jacket, compact umbrella, waterproof shoes. These items are useful in either destination during October.

Year-Round Comparison: Boston vs Montreal

The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.October is highlighted for quick reference.

MonthBostonMontreal
HighRainHighRain
Jan2°C10d-5°C11d
Feb3°C9d-3°C10d
Mar7°C11d3°C11d
Apr14°C11d11°C12d
May19°C11d19°C12d
Jun25°C10d23°C12d
Jul28°C10d26°C13d
Aug27°C9d25°C12d
Sep23°C8d21°C10d
Oct16°C10d13°C12d
Nov10°C10d6°C12d
Dec5°C11d-1°C12d
16°

Boston Weather in October

Full forecast, packing tips, and activities

13°

Montreal Weather in October

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Boston warmer than Montreal in October?
Yes. In October, Boston is warmer with an average high of 16°C (61°F) compared to Montreal at 13°C (55°F), a difference of 3°C.
Which city gets more rain in October, Boston or Montreal?
Montreal gets more rain in October with 12 rain days and 112 mm of precipitation. Boston is the drier option with 10 rain days.
Is it better to visit Boston or Montreal in October?
It depends on your preferences. Boston averages 16°C and 8 hours of daily sunshine with 10 rain days. Montreal averages 13°C with 7 sunshine hours and 12 rain days. If you prefer warmer weather, choose Boston. For drier weather, Boston is the better pick.
How far apart are Boston and Montreal?
Boston and Montreal are approximately 403 km (250 miles) apart. Boston is located in United States (North America) while Montreal is in Canada (North America).
What is the best month to visit Boston and Montreal?
For Boston, July tends to be the best month with 12 hours of daily sunshine and a high of 28°C. For Montreal, July is typically ideal with 12 sunshine hours and 26°C highs.

Compare Boston and Montreal in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Boston coordinates: 42.36°N, -71.06°E | Montreal coordinates: 45.50°N, -73.57°E