Seasonal Weather
🇨🇦 Canada · Summer

Montreal in Summer: Weather, What to Pack, Travel Tips

Average 20.8°C · High 26.5°C · Low 14.7°C · 104mm/month

01

Monthly Data

Month Avg Max Min Precip
June 19.2°C 23.8°C 14.7°C 107mm
July 22.0°C 26.5°C 17.6°C 98mm
August 21.2°C 25.5°C 16.8°C 109mm
Average 20.8°C 26.5°C 14.7°C 104mm
02

3-Month Comparison

Jun 19° Jul 22° Aug 21° Temp Precip
03

Seasonal Overview

Pros
  • + Mild and comfortable temperatures
  • + Flowers and greenery to enjoy
Cons
  • Some rainy days require umbrella
  • Changeable weather
04

What to Pack

A light jacket and comfortable clothing are recommended. A compact umbrella and waterproof shoes are essential.

05

Things to Do

  • Walk the old town and major landmarks
  • Explore local markets and street food
  • Relax in parks and gardens
  • Take a day trip to nearby attractions
06

Monthly Details for This Season

07

Other Seasons

Q&A

Frequently Asked Questions

01 What are the temperatures in Montreal in summer?
+

Montreal averages 20.8°C in summer, with highs around 26.5°C and lows around 14.7°C.

02 Does it rain a lot in Montreal in summer?
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Average monthly precipitation is 104mm. Rain is frequent — bring a waterproof jacket.

03 What can I do in Montreal in summer?
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Walk the old town and major landmarks and Explore local markets and street food are popular options.

04 What should I pack for Montreal in summer?
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A light jacket and comfortable clothing are recommended. A compact umbrella and waterproof shoes are essential.

05 Is Montreal busy in summer?
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Summer is relatively quiet, allowing for a more relaxed visit.

06 When is summer in Montreal?
+

Summer in Montreal spans June, July, August.

Sources
Open-Meteo
Updated
2026-01-01