Weather in Montreal in July 2025
- July is usually the hottest month of the year in Montreal;
Average weather
Average temperature in Montreal in July
Going from a maximum of +33°C during the day to a minimum of +13°C during the night, the temperature in July averages around +27°C.
The average maximum temperature goes down 10% by the end of the month, compared with the beginning of the month, from +25°C to +23°C.
Is Montreal warm or cold in July?
Montreal is typically warm in July.
Maximum temperatures go up compared to the previous month from +24°C to +27°C. The minimum temperature also goes up from +15°C to +17°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
July is the hottest month in Montreal, here is the comparison with other months:
Climate in Montreal in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +24°C | +27°C | +25°C | ||||
| Min. temperature | ||||||
| +2°C | +7°C | +6°C | ||||
| Max. temperature | ||||||
| +35°C | +36°C | +35°C | ||||
| Rainfall | ||||||
| 105 mm | 98 mm | 102 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 66% | 68% | 71% | ||||
| Air pressure | ||||||
| 1012 HPa | 1012 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 6 | 6 | 6 | ||||
| Cloudy days | ||||||
| 8 | 8 | 8 | ||||
| Rainy days | ||||||
| 13 | 13 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as good as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +24°C to +27°C during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 105 mm to 98 mm. Humidity rises from 66% to 68%. The average wind speed doesn’t change much during July, staying around 3 m/s. The amount of sunny days stay about the same, averaging 6 sunny days during the month.
August brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Montreal is gradually increasing during July, going from 3 m/s to 4 m/s over the course of the month.
Rain
How was the weather last July in Montreal?
Climate Change over Years
The climate in Montreal in July has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+10°C) and the highest in 2021 (+14°C). The driest year was 1985 with only 524 mm of rainfall, and the wettest year was 2023 with 2843 mm.
FAQ
Is July a good time to visit Montreal?
Can you sunbathe in Montreal in July?
Is Montreal rainy in July?
Is it sunny in Montreal in July?
Other cities in Canada
Monthly weather in Montreal
Source of the data
For this page, we’ve looked at the typical weather in Montreal, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
