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Weather Comparison

Montreal vs Boston

Side-by-side weather comparison for July

Montreal: 26°CBoston: 28°C403 km apart

July Weather: Montreal vs Boston

MetricMontrealBostonBetter
Average HighHigher is warmer26°C (79°F)28°C (82°F)Boston
Average LowHigher is milder17°C (63°F)19°C (66°F)Boston
Rain DaysFewer is drier13 days10 daysBoston
PrecipitationLess is drier101 mm74 mmBoston
Sunshine HoursMore is sunnier12h/day12h/dayTie
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer109Boston
Wind SpeedCalmer is better17 km/h17 km/hTie

Which City is Better in July?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Boston edges ahead as the better destination in July. Boston offers 12 hours of daily sunshine with only 10 rain days, while Montreal sees 12 sunshine hours and 13 rain days.

Montreal sits in the comfortable travel range at 26°C. Boston is also comfortable at 28°C.

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

Temperature Comparison in July

Montreal reaches an average high of 26°C (79°F) and drops to 17°C (63°F) at night during July. The daily temperature range is 9°C, meaning moderate variation throughout the day.

Boston averages 28°C (82°F) for the high and 19°C (66°F) for the low, with a daily range of 9°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 July.

Rainfall Comparison in July

Montreal receives approximately 101 mm of rainfall across 13 rain days during July. You can expect rain roughly every other day.

Boston sees 74 mm over 10 rain days. That makes Boston the drier option by 3 rain days and 27 mm of total precipitation.

Both cities share similar humidity levels at 65%.

What to Pack: Montreal vs Boston

Packing for Montreal in July

Highs of 26°C, lows of 17°C, 13 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen
  • waterproof jacket
  • compact umbrella
  • waterproof shoes

Packing for Boston in July

Highs of 28°C, lows of 19°C, 10 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • waterproof jacket
  • compact umbrella
  • waterproof shoes

Pack for both: waterproof jacket, compact umbrella, waterproof shoes. These items are useful in either destination during July.

Year-Round Comparison: Montreal vs Boston

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.July is highlighted for quick reference.

MonthMontrealBoston
HighRainHighRain
Jan-5°C11d2°C10d
Feb-3°C10d3°C9d
Mar3°C11d7°C11d
Apr11°C12d14°C11d
May19°C12d19°C11d
Jun23°C12d25°C10d
Jul26°C13d28°C10d
Aug25°C12d27°C9d
Sep21°C10d23°C8d
Oct13°C12d16°C10d
Nov6°C12d10°C10d
Dec-1°C12d5°C11d
26°

Montreal Weather in July

Full forecast, packing tips, and activities

28°

Boston Weather in July

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Montreal warmer than Boston in July?
No. In July, Boston is warmer with an average high of 28°C (82°F) compared to Montreal at 26°C (79°F), a difference of 2°C.
Which city gets more rain in July, Montreal or Boston?
Montreal gets more rain in July with 13 rain days and 101 mm of precipitation. Boston is the drier option with 10 rain days.
Is it better to visit Montreal or Boston in July?
It depends on your preferences. Montreal averages 26°C and 12 hours of daily sunshine with 13 rain days. Boston averages 28°C with 12 sunshine hours and 10 rain days. If you prefer cooler conditions, choose Boston. For fewer rain days, Boston is the better pick.
How far apart are Montreal and Boston?
Montreal and Boston are approximately 403 km (250 miles) apart. Montreal is located in Canada (North America) while Boston is in United States (North America).
What is the best month to visit Montreal and Boston?
For Montreal, July tends to be the best month with 12 hours of daily sunshine and a high of 26°C. For Boston, July is typically ideal with 12 sunshine hours and 28°C highs.

Compare Montreal and Boston 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.

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