Verdict: Excellent month
Montréal Weather in July
July runs warm in Montréal, with daily highs around 27°C (81°F) and nights near 18°C (64°F). Expect showers on roughly 13 days of the month — rarely trip-ruining, worth planning around. Overall, July is one of the best months of the year to be in Montréal.
Average high
27°C / 81°F
Average low
18°C / 64°F
Rain days
~13
Precipitation
118 mm
What to pack for Montréal in July
- Summer clothes, plus one light layer for air-con and evenings
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Rain gear is non-negotiable — expect rain on roughly 13 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
July against the rest of the year
Warmest in Montréal: Jul (27°C / 81°F) · Coolest: Jan (-4°C / 25°F) · Wettest: Aug (~14 rain days)
-4°
-12°
Jan
-2°
-12°
Feb
4°
-5°
Mar
12°
1°
Apr
20°
9°
May
25°
15°
Jun
27°
18°
Jul
25°
17°
Aug
21°
13°
Sep
15°
7°
Oct
7°
0°
Nov
1°
-6°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)