SeasonScore
Montreal, Canada
Photo: David Iliff · CC BY-SA 3.0

Canada

Montreal in August

☀️ Summer

Pleasant and some showers.

🎒 Pack: compact umbrella or rain jacket

Best months: May (9.2), Sep (9.1), Jul (9.0)

‹
Every month at a glanceTap a month to open it
›

Why August scores 9.0What goes into the score

How it works
🌡️ 25° / 17°C🌧️ 101 mm💧 dew pt 16°🍃 PM2.5 16
  • Weather comfort9.1
    • ✓Comfortable temperatures (25°C highs / 17°C lows)
    • ✓Slightly humid (dew point 16°C)
    • !Wet: ~101 mm rain, ~3 heavy-rain days
  • Air quality8.2
    • ✓Moderate (PM2.5 ~16 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.5
    • ·Normal precautions
Compare monthsPut August side by side with another month
AugMay
Score9.0 Excellent9.2 Excellent
Season☀️ Summer🌷 Spring
High / low25° / 17°19° / 10°
Rain101 mm87 mm
Humiditydew pt 16°dew pt 9°
PM2.516 µg/m³9 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Montreal McGill weather-station normals. Rainfall: McGill University weather-station normals (national met service).

Holidays & crowdsAugust 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Canada this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Montreal

  • Snowy daysTypical dates
    Snow likely Nov–Apr (most in Jan: ~14 days)

    Average number of days with snowfall at Montreal McGill. About 46 cm of snow falls in an average Jan.

    Source: Montreal McGill weather-station normals (national weather service, via Wikipedia climate table)

Explore MontrealEvents, sights, food & souvenirs

Check event dates locally

Quebec's largest city, a French-speaking metropolis with a historic old town, lively neighbourhoods, a strong food scene and a packed festival calendar.

Events in August

No major events on our calendar for August.

Coming up later

IgloofestDate variesUsually mid-January to early February, on weekends

An outdoor electronic music festival held in winter.

Why go: Dress for well below freezing temperatures.

Where: Old Port

Canadian Grand PrixDate variesUsually late May or June

The Formula 1 race on the island circuit.

Why go: Hotel prices rise sharply that weekend.

Where: Circuit Gilles-Villeneuve, Île Notre-Dame

Fête nationale du QuébecEvery year24 June every year

Quebec's national holiday (Saint-Jean-Baptiste Day) with concerts and parties.

Why go: Many businesses close for the holiday.

Where: Citywide