Montreal weather in July
Temperature, rain and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Good
Best time to visit: May – September
What is the weather like in Montreal in July?
In July, Montreal is warm: daytime highs average 25 °C, and nights cool down to about 16 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 97 mm in total. All in all, July is a good month for a holiday in Montreal.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 15 h 22 min05:19 – 20:41
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 9 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 55 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/Toronto
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %83 %
- Few rainy daysweight 30 %38 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Montreal in July: quick answers
Is Montreal hot in July?
Warm rather than hot: in July, daytime highs in Montreal average 25 °C and nights cool to about 16 °C. On about 2 days the thermometer climbs to 30 °C or more.
Does it rain much in Montreal in July?
Rain is frequent, with about 13 rainy days and 97 mm in total.
Montreal month by month
The whole year in MontrealAll destinations: CanadaWhere to go in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences