Montréal Weather in July
July in Montréal brings high temperatures around 28°C (82°F) during the day, dropping to 17°C (63°F) at night, with quite a bit of rainfall expected, averaging around 102 mm (4 in) for the month.
Rainfall in Montréal in July
Expect around 12 days of rain based on historical data, with 102 mm (4 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Montréal in July
Temperatures in Montréal in July top out at 28°C (82°F) and drop to 17°C (63°F) overnight. July is part of summer. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it is the warmest month of the year.
Sunshine in Montréal in July
The month enjoys around 272 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Montréal in July
Average wind conditions reach 5 m/s (10 knots) in July. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.
Average water temperature in July
The water temperature is 17°C (63°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Montréal.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Montréal's climate page.
Montréal Temperature in July
Min Temperature
17°C (63°F)
Max Temperature
28°C (82°F)
Water Temperature
17°C (63°F)
Chance of Rain
39%
Precipitation
102 mm (4 in)
Rainy days
12 days
Humidity
57%
Windspeed
5 m/s (10 knots)
Sunshine
272 hours
Percentage Sunshine
58%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Montréal typically stay consistent throughout July, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 18°C (64°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Montréal in July
Browse day-by-day weather records for Montréal spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Montréal historical weather extremes in July
The extremes listed below come from historical weather data collected in Montréal from 1976 through 2025.
- The hottest July day on record in Montréal reached 36°C (97°F) (July 2, 2018).
- Montréal experienced its chilliest July day on July 3, 1992, reaching only 14°C (57°F).
- The coldest night in July in Montréal was on July 1, 1978, with a minimum of 2°C (36°F).
Best Places in Canada in July
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in July →
perfect weather
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tolerable
unpleasant
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What to Wear in Montréal in July
Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 17°C (63°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Montréal in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Montréal's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Montréal climate overview or explore weather in Canada.
