When to go
The Best Time to Visit Montréal
Month-by-month climate data for Montréal, Canada — daily highs and lows, rain days, and an honest verdict for every month of the year.
Timing is the first real decision when planning Montréal— it drives crowds, prices and what's actually open. Here's how the year breaks down so you can pick dates that fit the trip you're building, not just the weather.
Warmest in Montréal: Jul (27°C / 81°F) · Coolest: Jan (-4°C / 25°F) · Wettest: Aug (~14 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Montréal climate, month by month
January
-4° / -12°C
~11 rain days
Tough
February
-2° / -12°C
~11 rain days
Tough
March
4° / -5°C
~11 rain days
Tough
April
12° / 1°C
~11 rain days
Good
May
20° / 9°C
~8 rain days
Excellent
June
25° / 15°C
~13 rain days
Excellent
July
27° / 18°C
~13 rain days
Excellent
August
25° / 17°C
~14 rain days
Good
September
21° / 13°C
~8 rain days
Excellent
October
15° / 7°C
~12 rain days
Good
November
7° / 0°C
~10 rain days
Fair
December
1° / -6°C
~13 rain days
Tough
Plan around it
Dates locked in? Start from the Montréal travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.