2026 Climate Averages

Weather in Montréal in August

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

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Climate Overview

August is an excellent time to visit Montréal. Montréal has a Cool climate with average yearly highs of 24°C, lows of 16°C, and approximately 11 rainy days per month.

Avg High

24°C

Avg Low

16°C

Rainy days

11days

Daylight

14.2h

Is August a good time to visit Montréal?

The weather is near-perfect with ideal temperatures and minimal rain.

Daylight

Sunrise

5:54 AM

Sunset

8:05 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January -3°C -11°C 11 Good
February -2°C -12°C 9 Good
March 4°C -4°C 13 Wet
April 9°C 0°C 9 Good
May 18°C 7°C 6 Good
June 25°C 14°C 9 Excellent (best)
July 28°C 19°C 13 Excellent (best)
August 24°C 16°C 11 Excellent (best)
September 20°C 11°C 9 Excellent (best)
October 13°C 5°C 13 Wet
November 8°C 1°C 9 Good
December 1°C -6°C 14 Wet

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for August

Layers, a light jacket, comfortable walking shoes, and an umbrella.

Climate: Cool
Travel Context Brisk but pleasant—ideal for hiking or city walks with a light jacket.

Planning a trip to Montréal?

Common Questions

Is August a good time to visit Montréal? +

August is typically Excellent for visiting Montréal, with average highs of 24°C and around 11 rainy days.

What should I pack for Montréal in August? +

With highs of 24°C and lows of 16°C in {month}, we recommend: Layers, a light jacket, comfortable walking shoes, and an umbrella.

Does it rain a lot in Montréal in August? +

Montréal typically sees around 11 rainy days in August.

How many hours of daylight are there in Montréal in August? +

In August, Montréal gets approximately 14.2 hours of daylight per day.

Is August peak season in Montréal? +

Yes, August is peak season in Montréal. Expect higher prices and more crowds, but also the best weather.

What is the best month to visit Montréal? +

The best months to visit Montréal are June, July, August, September, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: America/Toronto)

Last Updated: January 2026

More Montréal Guides

Best Time to Visit

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Things to Do

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Itineraries

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Overview

Complete travel guide for Montréal: top things to do, itineraries, and typical costs.

Read Full Guide

August

24° / 16°
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