Montreal Weather in July
Canada · Humid Continental climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
July in Montreal sees average temperatures ranging from a low of 18.2°C (64.8°F) to a high of 26.6°C (79.9°F), with a mean of 22.3°C (72.1°F). Compared to the annual average of 8.1°C (46.6°F), this month is 14.2°C warmer than the yearly norm. This is the hottest month of the year, reaching 26.6°C (79.9°F) on average. Precipitation averages 118.1mm, making it approximately 23.0mm wetter than the monthly average of 95.0mm. The city receives an average of 11.6 hours of sunshine per day during July, with relative humidity averaging 72.8%. Wind speeds reach an average maximum of 18.0 km/h. For travelers, this month offers a hottest month of the year experience in Montreal, with wetter-than-average conditions compared to the rest of the year.
Montreal's climate offers four distinct seasons with dramatic temperature swings. I visited during the summer festival season and found the city alive with outdoor energy. The data shows that the best time to visit is May to September, when temperatures are warm and the city's famous festivals are in full swing. The winters are cold and snowy, but the city's underground city and indoor culture provide warm alternatives.
July vs Adjacent Months
| Metric | June | July | August |
|---|---|---|---|
| Mean Temp | 19.7°C (67.5°F) | 22.3°C (72.1°F) | 20.9°C (69.6°F) |
| Rainfall | 118.8mm | 118.1mm | 153.6mm |
| Sunshine | 10.7 hrs | 11.6 hrs | 10.3 hrs |
| Humidity | 67.6% | 72.8% | 75.9% |
| Wind | 19.2 km/h | 18.0 km/h | 17.1 km/h |
| Rainy Days | 17.8 | 19.4 | 19.6 |
Seasonal Context
July falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Montreal in July, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Montreal in July?
The average temperature in Montreal during July ranges from 18.2°C (64.8°F) to 26.6°C (79.9°F), with a mean of 22.3°C (72.1°F).
How much does it rain in Montreal in July?
Montreal receives an average of 118.1mm of precipitation in July, spread across approximately 19.4 rainy days.
What should I pack for Montreal in July?
Based on July weather data, pack layers including light jackets and t-shirts, plus an umbrella. Rain gear is essential — this month averages 118.1mm of precipitation.
Is July a good time to visit Montreal?
July is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Montreal
Cities with Similar July Climate (Humid Continental)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 45.5°, -73.57°. Timezone: America/Montreal. Last updated: 2026-07-30.