Montreal weather in July
Montreal in July averages 21°C (70°F), 105 mm of rain and 8.7 hours of sun a day.
Of the twelve months in Montreal, July is the warmest, the wettest and the sunniest.
- Average temp
- 21°C (70°F)
16–27°C · 60–80°F
- Rainfall
- 105 mm
Showers likely
- Sunshine
- 8.7 h
hours per day
What is Montreal like in July?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Montreal in July?
High-factor sun cream
With 8.7 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
A light rain jacket
About 105 mm falls this month — showers rather than washouts.
A layer for the evening
The day swings about 11°C between its low and its high.
July compared with June and August
July in Montreal is 2.9°C warmer than June and 17 mm wetter than it, which averages 18°C (65°F).
July in Montreal is 1.1°C warmer than August and 19 mm wetter than it, which averages 20°C (68°F).
Daylight in Montreal in July
On 15 July the sun is up for 15 hours 19 minutes in Montreal, rising about 05:20 and setting about 20:39 local time.
July ends 52 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
Where to stay in Montreal
Dates are a starting point for July.
Travel guides for Montreal
What to read before you book.
Montreal weather by month
TemperatureRainfall
How July compares with the rest of the year
July is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -10°C / 14°F | 74 mm |
| February | -8°C / 18°F | 56 mm |
| March | -2°C / 28°F | 72 mm |
| April | 6°C / 42°F | 84 mm |
| May | 13°C / 56°F | 78 mm |
| June | 18°C / 65°F | 88 mm |
| July | 21°C / 70°F | 105 mm |
| August | 20°C / 68°F | 86 mm |
| September | 15°C / 60°F | 91 mm |
| October | 8°C / 47°F | 94 mm |
| November | 2°C / 35°F | 85 mm |
| December | -5°C / 23°F | 78 mm |
Check another month
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FAQs about Montreal in July
July climate averages for Montreal, 1991–2020.
Montreal averages 21°C (70°F) in July, ranging from about 16°C (60°F) at night to 27°C (80°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 105 mm falls across July, enough to need a light jacket but not enough to reshape a trip.
Yes. July averages 21°C (70°F) against 20°C (68°F) in August — 1.1°C warmer.
July is 2.9°C warmer than June, and 17 mm wetter.
Yes. July falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 8.7 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what July is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 15 hours 19 minutes of daylight in mid-July, against 15 hours 40 minutes in June and 8 hours 44 minutes in December.
On 15 July, sunrise is about 05:20 and sunset about 20:39 local time. Both shift across the month — the month ends 52 minutes shorter than it starts.
